• AGM plants

    AGM plants have been through a rigorous trial and assessment programme. They are:

    • Excellent for ordinary use in appropriate conditions
    • Available to buy
    • Of good constitution
    • Essentially stable in form & colour
    • Reasonably resistant to pests & diseases

Beeches Nursery

  • × Alcalthaea suffrutescens 'Parkallee' (d)
  • × Alworthia 'Black Gem'
  • × Amarine tubergenii Belladiva Series
  • × Chitalpa tashkentensis Summer Bells = 'Minsum'
  • × Fatshedera lizei
  • × Fatshedera lizei 'Variegata' (v)
  • × Halimiocistus sahucii Ice Dancer = 'Ebhals' (PBR) (v)
  • × Halimiocistus wintonensis 'Merrist Wood Cream'
  • × Heucherella 'Buttered Rum' (PBR)
  • × Heucherella 'Honey Rose' (PBR)
  • × Heucherella 'Onyx'
  • × Heucherella 'Redstone Falls' (PBR) (Falls Series)
  • × Heucherella 'Solar Eclipse'
  • × Heucherella 'Solar Power' (PBR)
  • × Heucherella 'Sunrise Falls' (PBR) (Falls Series)
  • × Heucherella 'Sweet Tea' (PBR)
  • × Mahoberberis aquisargentii
  • × Mukgenia 'Flame'
  • × Sycoparrotia semidecidua
  • + Laburnocytisus 'Adamii'
  • Abelia chinensis R. Br.
  • Abelia parvifolia
  • Abelia × grandiflora Lucky Lots = 'Wevo2' (v)
  • Abelia × grandiflora Mystic Daydream = 'Opstal40'
  • Abelia × grandiflora Sunshine Daydream = 'Abelops' (PBR) (v)
  • Abelia × grandiflora 'Francis Mason' (v)
  • Abelia × grandiflora 'Kaleidoscope' (PBR) (v)
  • Abelia × grandiflora 'Radiance' (v)
  • Abelia × grandiflora 'Sherwoodii'
  • Abelia 'Edward Goucher'
  • Abeliophyllum distichum
  • Abutilon × milleri hort. 'Variegatum' (v)
  • Abutilon 'Kentish Belle'
  • Abutilon 'Leila Jackson'
  • Abutilon 'Nabob'
  • Abutilon 'Orange Hot Lava'
  • Abutilon 'Paddy's Nephew'
  • Abutilon 'Patrick Synge'
  • Abutilon 'Waltz'
  • Acacia dealbata
  • Acacia mearnsii
  • Acaena affinis
  • Acaena buchananii
  • Acaena inermis 'Purpurea'
  • Acaena microphylla
  • Acaena myriophylla
  • Acaena novae-zelandiae
  • Acaena saccaticupula
  • Acaena saccaticupula 'Blue Haze'
  • Acanthus dioscoridis var. perringii
  • Acanthus hungaricus
  • Acanthus hungaricus 'White Lips'
  • Acanthus mollis
  • Acanthus mollis (Latifolius Group) 'Rue Ledan'
  • Acanthus mollis 'Hollard's Gold'
  • Acanthus mollis 'Niger'
  • Acanthus sennii
  • Acanthus spinosus Ferguson's form
  • Acanthus spinosus L.
  • Acanthus spinosus Spinosissimus Group
  • Acanthus 'Hollande du Nort'
  • Acanthus 'Morning's Candle'
  • Acanthus 'Summer Beauty'
  • Acanthus 'Whitewater' (v)
  • Acca sellowiana (F)
  • Acca sellowiana 'Variegata' (F/v)
  • Acer buergerianum
  • Acer campestre
  • Acer campestre 'Evenley Red'
  • Acer campestre 'Pulverulentum' (v)
  • Acer capillipes
  • Acer cappadocicum 'Aureum'
  • Acer cappadocicum 'Rubrum'
  • Acer carpinifolium
  • Acer crataegifolium 'Veitchii' (v)
  • Acer davidii Viper = 'Mindavi'
  • Acer davidii 'George Forrest'
  • Acer griseum
  • Acer grosseri var. hersii
  • Acer orizabense
  • Acer palmatum 'Akane' (P)
  • Acer palmatum 'Atropurpureum' (A)
  • Acer palmatum 'Emerald Lace' (D)
  • Acer palmatum 'Festival'
  • Acer palmatum 'Firecracker' (PBR) (D)
  • Acer palmatum 'Garnet' (D)
  • Acer palmatum 'Orange Dream' (P)
  • Acer palmatum 'Osakazuki' (A)
  • Acer palmatum 'Pévé Dave'
  • Acer palmatum 'Shaina' (P)
  • Acer palmatum 'Skeeter's Broom' (Dw)
  • Acer palmatum 'Starfish' (PBR)
  • Acer palmatum 'Trompenburg' (M)
  • Acer pensylvanicum
  • Acer platanoides Princeton Gold = 'Prigo' (PBR)
  • Acer platanoides 'Crimson King'
  • Acer platanoides 'Crimson Sentry'
  • Acer platanoides 'Drummondii' (v)
  • Acer pseudoplatanus f. variegatum 'Esk Sunset' (v)
  • Acer rubrum
  • Acer rubrum Red Sunset = 'Franksred'
  • Acer rubrum Summer Red = 'Hosr'
  • Acer rubrum 'Scanlon'
  • Acer rufinerve
  • Acer saccharinum
  • Acer saccharinum f. laciniatum
  • Acer saccharum
  • Acer sempervirens
  • Acer shirasawanum Moonrise = 'Munn 001' (PBR)
  • Acer shirasawanum 'Jordan'
  • Acer sterculiaceum
  • Acer tataricum subsp. ginnala 'Flame'
  • Acer triflorum
  • Acer × conspicuum 'Phoenix'
  • Acer × freemanii Autumn Blaze = 'Jeffersred'
  • Acer × freemanii Celebration = 'Celzam'
  • Acer 'White Tigress'
  • Achillea filipendulina 'Cloth of Gold'
  • Achillea filipendulina 'Gold Plate'
  • Achillea filipendulina 'Hymne'
  • Achillea filipendulina 'Parker's Variety'
  • Achillea millefolium 'Apricot Delight' (Tutti Frutti Series)
  • Achillea millefolium 'Cerise Queen'
  • Achillea millefolium 'Lansdorferglut'
  • Achillea millefolium 'Lilac Beauty'
  • Achillea millefolium 'Pink Grapefruit' (Tutti Frutti Series)
  • Achillea millefolium 'Pretty Woman' (Song Siren Series)
  • Achillea millefolium 'Red Beauty'
  • Achillea millefolium 'Sammetriese'
  • Achillea millefolium 'Wonderful Wampee' (Tutti Frutti Series)
  • Achillea ptarmica (The Pearl Group) 'The Pearl' (clonal) (d)
  • Achillea sibirica subsp. camschatica 'Love Parade'
  • Achillea Anthea = 'Anblo'
  • Achillea 'Alabaster'
  • Achillea 'Apfelblüte' (Galaxy Series)
  • Achillea 'Coronation Gold'
  • Achillea 'Fanal'
  • Achillea 'Feuerland'
  • Achillea 'Forncett Bride' (Forncett Series)
  • Achillea 'Hella Glashoff'
  • Achillea 'Lachsschönheit' (Galaxy Series)
  • Achillea 'Lucky Break'
  • Achillea 'Moonshine'
  • Achillea 'Paprika' (Galaxy Series)
  • Achillea 'Petra'
  • Achillea 'Pretty Belinda'
  • Achillea 'Safran'
  • Achillea 'Taygetea'
  • Achillea 'Terracotta'
  • Achillea 'Walther Funcke'
  • Aconitum anthora
  • Aconitum carmichaelii (Arendsii Group) 'Arendsii'
  • Aconitum carmichaelii (Arendsii Group) 'Cloudy' (PBR)
  • Aconitum carmichaelii (Wilsonii Group) 'Barker's Variety'
  • Aconitum carmichaelii (Wilsonii Group) 'Spätlese'
  • Aconitum carmichaelii Arendsii Group
  • Aconitum carmichaelii 'Moody Blues'
  • Aconitum carmichaelii 'Royal Flush' (PBR)
  • Aconitum carmichaelii Wilsonii Group
  • Aconitum chasmanthum
  • Aconitum ferox
  • Aconitum fischeri Rchb.
  • Aconitum fischeri var. arcuatum
  • Aconitum japonicum
  • Aconitum japonicum subsp. napiforme
  • Aconitum lycoctonum subsp. neapolitanum
  • Aconitum nagarum
  • Aconitum napellus 'Gletschereis'
  • Aconitum napellus subsp. vulgare 'Carneum'
  • Aconitum piepunense
  • Aconitum sachalinense subsp. yezoense
  • Aconitum seoulense
  • Aconitum variegatum
  • Aconitum variegatum subsp. paniculatum
  • Aconitum × cammarum 'Bicolor'
  • Aconitum 'Blue Lagoon' (PBR)
  • Aconitum 'Blue Opal'
  • Aconitum 'Blue Sparrow'
  • Aconitum 'Ivorine'
  • Aconitum 'Newry Blue'
  • Aconitum 'Spark's Variety'
  • Aconitum 'Stainless Steel'
  • Actaea arizonica
  • Actaea cordifolia
  • Actaea japonica from Jejudo, South Korea
  • Actaea matsumurae 'White Pearl'
  • Actaea pachypoda
  • Actaea pachypoda Misty Blue = 'Lk05' (PBR)
  • Actaea podocarpa
  • Actaea racemosa
  • Actaea rubra
  • Actaea simplex (Atropurpurea Group) 'Black Negligee'
  • Actaea simplex (Atropurpurea Group) 'Brunette'
  • Actaea simplex (Atropurpurea Group) 'Carbonella'
  • Actaea simplex (Atropurpurea Group) 'Hillside Black Beauty'
  • Actaea simplex (Atropurpurea Group) 'James Compton'
  • Actaea simplex Atropurpurea Group
  • Actaea simplex 'Pink Spike'
  • Actaea 'Chocoholic'
  • Actaea 'Queen of Sheba' (PBR)
  • Actinidia arguta
  • Actinidia deliciosa Solissimo = 'Renact' (PBR) (s-p/F)
  • Actinidia deliciosa 'Jenny' (s-p/F)
  • Actinidia deliciosa 'Tomuri' (m)
  • Actinidia kolomikta
  • Actinidia kolomikta 'Adam' (m)
  • Actinidia tetramera var. maloides
  • Adenophora liliifolia
  • Adenophora potaninii
  • Adenophora remotiflora
  • Adenophora stricta subsp. confusa
  • Adenophora stricta subsp. sessilifolia
  • Adenophora takedae
  • Adenophora tashiroi
  • Adiantum aleuticum 'Imbricatum'
  • Adiantum capillus-veneris
  • Adiantum hispidulum
  • Adiantum venustum
  • Adonis amurensis ambig.
  • Adoxa moschatellina
  • Aegopodium podagraria 'Variegatum' (v)
  • Aesculus flava
  • Aesculus hippocastanum
  • Aesculus × carnea 'Briotii'
  • Agapanthus campanulatus variegated (v)
  • Agapanthus campanulatus 'Wedgwood Blue'
  • Agapanthus inapertus 'Ice Cascade'
  • Agapanthus inapertus 'Midnight Cascade'
  • Agapanthus inapertus 'Mood Indigo'
  • Agapanthus inapertus subsp. hollandii 'Sky'
  • Agapanthus inapertus subsp. pendulus 'Graskop'
  • Agapanthus Brilliant Blue = 'Aga0451'
  • Agapanthus Double Diamond = 'Rfdd' (PBR)
  • Agapanthus Queen Mum = 'Pmn06' (PBR)
  • Agapanthus Silver Moon = 'Notfred' (PBR) (v)
  • Agapanthus 'Amsterdam'
  • Agapanthus 'Arctic Star'
  • Agapanthus 'Barnfield Blue'
  • Agapanthus 'Big Blue'
  • Agapanthus 'Black Beauty'
  • Agapanthus 'Black Buddhist'
  • Agapanthus 'Black Magic'
  • Agapanthus 'Black Pantha' (PBR)
  • Agapanthus 'Blue Giant'
  • Agapanthus 'Blue Globe'
  • Agapanthus 'Blue Ice'
  • Agapanthus 'Blue Magic'
  • Agapanthus 'Blue Moon'
  • Agapanthus 'Bressingham Blue'
  • Agapanthus 'Bressingham Bounty'
  • Agapanthus 'Bridal Bouquet'
  • Agapanthus 'Buckingham Palace'
  • Agapanthus 'Castle of Mey'
  • Agapanthus 'Charlotte' (PBR)
  • Agapanthus 'Chika's Blue'
  • Agapanthus 'Columba'
  • Agapanthus 'Dnjepr'
  • Agapanthus 'Donau'
  • Agapanthus 'Early Blue'
  • Agapanthus 'Eggesford Sky'
  • Agapanthus 'Enigma'
  • Agapanthus 'Enigma Variations'
  • Agapanthus 'Glen Avon'
  • Agapanthus 'Greenfield'
  • Agapanthus 'Indigo Dreams'
  • Agapanthus 'Jack's Blue'
  • Agapanthus 'Lapis'
  • Agapanthus 'Lavender Haze'
  • Agapanthus 'Loch Hope'
  • Agapanthus 'Maureen'
  • Agapanthus 'Megan's Mauve'
  • Agapanthus 'Midnight Dream'
  • Agapanthus 'Midnight Star'
  • Agapanthus 'Misty Dawn' (v)
  • Agapanthus 'Molly Howick'
  • Agapanthus 'Moonlight Star'
  • Agapanthus 'Mooreanus' misapplied
  • Agapanthus 'Newa'
  • Agapanthus 'Northern Star' (PBR)
  • Agapanthus 'Peter Pan' ambig.
  • Agapanthus 'Phantom'
  • Agapanthus 'Polar Ice'
  • Agapanthus 'Purple Cloud'
  • Agapanthus 'Purple Delight'
  • Agapanthus 'Sandringham'
  • Agapanthus 'Sarah' (PBR)
  • Agapanthus 'Sea Coral'
  • Agapanthus 'Sea Spray'
  • Agapanthus 'Silver Baby'
  • Agapanthus 'Snow Cloud'
  • Agapanthus 'Snow Pixie'
  • Agapanthus 'Snowdrops'
  • Agapanthus 'Snowstorm' (PBR) (Storm Series)
  • Agapanthus 'Sofie' (PBR)
  • Agapanthus 'Strawberry Ice'
  • Agapanthus 'Streamline'
  • Agapanthus 'Thumbelina'
  • Agapanthus 'Timaru'
  • Agapanthus 'Tinkerbell' (v)
  • Agapanthus 'Tornado'
  • Agapanthus 'Twilight Zone'
  • Agapanthus 'Wedding Day'
  • Agapanthus 'Wembworthy'
  • Agapanthus 'White Heaven' (PBR)
  • Agapanthus 'White Superior'
  • Agapanthus 'Windsor Grey'
  • Agapanthus 'Wolga'
  • Agapanthus 'Zachary'
  • Agastache cana 'Heatwave' (PBR)
  • Agastache foeniculum 'Alabaster'
  • Agastache mexicana 'Red Fortune' (PBR)
  • Agastache rugosa 'Golden Jubilee'
  • Agastache rugosa 'Heronswood Mist'
  • Agastache Orange Nectar (Nectar Series)
  • Agastache 'Ayala'
  • Agastache 'Blackadder'
  • Agastache 'Blue Boa' (PBR)
  • Agastache 'Cotton Candy' (PBR)
  • Agastache 'Firebird'
  • Agastache 'Kudos Coral' (PBR) (Kudos Series)
  • Agastache 'Kudos Gold' (PBR) (Kudos Series)
  • Agastache 'Kudos Silver Blue' (Kudos Series)
  • Agastache 'Purple Haze'
  • Agastache 'Raspberry Summer' (PBR)
  • Agastache 'Serpentine'
  • Ageratina altissima 'Braunlaub'
  • Ageratina altissima 'Chocolate'
  • Ageratina ligustrina
  • Ajuga pyramidalis 'Metallica Crispa'
  • Ajuga reptans Black Scallop = 'Binblasca' (PBR)
  • Ajuga reptans 'Braunherz'
  • Ajuga reptans 'Catlin's Giant'
  • Ajuga reptans 'Evening Glow'
  • Ajuga reptans f. albiflora 'Alba'
  • Akebia longeracemosa
  • Akebia quinata
  • Akebia quinata cream-flowered
  • Akebia quinata 'Silver Bells'
  • Akebia trifoliata
  • Akebia × pentaphylla
  • Albizia julibrissin
  • Albizia julibrissin f. rosea
  • Albuca glauca
  • Albuca nelsonii
  • Albuca shawii
  • Alcea rosea 'Mars Magic' (Spotlight Series)
  • Alcea rosea 'Polarstar' (Spotlight Series)
  • Alcea rosea 'Sunshine' (Spotlight Series)
  • Alcea rugosa
  • Alchemilla alpina L.
  • Alchemilla conjuncta
  • Alchemilla epipsila
  • Alchemilla erythropoda
  • Alchemilla faeroensis var. pumila
  • Alchemilla glabra
  • Alchemilla lapeyrousei
  • Alchemilla mollis
  • Alchemilla peristerica
  • Alchemilla sericata 'Gold Strike'
  • Alchemilla straminea
  • Alchemilla valdehirsuta
  • Alchemilla venosa
  • Alchemilla vetteri
  • Allium amethystinum 'Red Mohican' (PBR)
  • Allium atropurpureum
  • Allium beesianum W.W. Sm.
  • Allium caeruleum
  • Allium cernuum 'Hidcote'
  • Allium cristophii
  • Allium geyeri
  • Allium giganteum
  • Allium hirtifolium var. album
  • Allium hollandicum 'Purple Sensation'
  • Allium jesdianum 'Akbulak'
  • Allium jesdianum 'Early Emperor'
  • Allium jesdianum 'White Empress' (PBR)
  • Allium karataviense
  • Allium karataviense 'Ivory Queen'
  • Allium litvinovii
  • Allium loratum
  • Allium macleanii 'His Excellency'
  • Allium macranthum
  • Allium moly 'Jeannine'
  • Allium myrianthum
  • Allium plummerae
  • Allium prattii
  • Allium przewalskianum
  • Allium schoenoprasum 'Colesbourne Giant'
  • Allium schoenoprasum 'Corsican White'
  • Allium senescens
  • Allium siculum subsp. dioscoridis
  • Allium stipitatum 'Mars'
  • Allium tschimganicum
  • Allium victorialis 'Cantabria'
  • Allium 'Beau Regard'
  • Allium 'Forelock'
  • Allium 'Gladiator'
  • Allium 'Globemaster'
  • Allium 'Globus'
  • Allium 'Jackpot'
  • Allium 'Mercurius' (PBR)
  • Allium 'Miami'
  • Allium 'Mont Blanc'
  • Allium 'Pinball Wizard'
  • Allium 'Round 'n' Purple'
  • Allium 'Statos'
  • Alnus glutinosa 'Imperialis'
  • Alnus incana 'Aurea'
  • Alnus subcordata
  • Alstroemeria brasiliensis 'Cally Star' (v)
  • Alstroemeria Rock 'n' Roll = 'Alsdun01' (PBR) (v)
  • Amaryllis belladonna
  • Amelanchier alnifolia 'Northline' (F)
  • Amelanchier alnifolia 'Obelisk' (PBR)
  • Amelanchier canadensis (L.) Medik.
  • Amelanchier canadensis 'Glenn Form'
  • Amelanchier laevis 'R.J. Hilton'
  • Amelanchier laevis 'Snowflakes'
  • Amelanchier lamarckii
  • Amelanchier × grandiflora 'Ballerina'
  • Amelanchier × grandiflora 'Cole's Select'
  • Amelanchier × grandiflora 'Robin Hill'
  • Amelanchier × grandiflora 'Rubescens'
  • Amelanchier 'La Paloma'
  • Amicia zygomeris
  • Ammophila arenaria
  • Ammophila breviligulata
  • Amomyrtus luma
  • Ampelopsis aconitifolia 'Chinese Lace'
  • Ampelopsis brevipedunculata 'Elegans' (v)
  • Amsonia elliptica
  • Amsonia hubrichtii
  • Amsonia illustris
  • Amsonia orientalis
  • Amsonia tabernaemontana 'Stella Azul'
  • Amsonia tabernaemontana var. salicifolia
  • Amsonia 'Blue Ice'
  • Amsonia 'Ernst Pagels'
  • Anacyclus pyrethrum var. depressus
  • Anaphalis margaritacea 'Neuschnee'
  • Anaphalis nepalensis var. monocephala
  • Anaphalis triplinervis
  • Anchusa azurea 'Dropmore'
  • Anchusa azurea 'Feltham Pride'
  • Anchusa azurea 'Loddon Royalist'
  • Androsace geraniifolia
  • Anemanthele lessoniana
  • Anemone barbulata
  • Anemone demissa var. major
  • Anemone filisecta
  • Anemone hortensis
  • Anemone hupehensis 'Bowles's Pink'
  • Anemone hupehensis var. japonica 'Bodnant Burgundy'
  • Anemone hupehensis var. japonica 'Bressingham Glow'
  • Anemone hupehensis var. japonica 'Pamina'
  • Anemone hupehensis var. japonica 'Pink Saucer'
  • Anemone hupehensis var. japonica 'Prinz Heinrich'
  • Anemone leveillei
  • Anemone narcissiflora
  • Anemone nemorosa
  • Anemone nemorosa 'Atley'
  • Anemone nemorosa 'Blue Beauty'
  • Anemone nemorosa 'Bowles's Purple'
  • Anemone nemorosa 'Bracteata Pleniflora' (d)
  • Anemone nemorosa 'Flore Pleno' (d)
  • Anemone nemorosa 'Hilda'
  • Anemone nemorosa 'Lismore Blue'
  • Anemone nemorosa 'Robinsoniana'
  • Anemone nemorosa 'Royal Blue'
  • Anemone nemorosa 'Virescens'
  • Anemone polyanthes
  • Anemone ranunculoides
  • Anemone rivularis
  • Anemone rivularis 'Glacier'
  • Anemone stolonifera double-flowered (d)
  • Anemone sylvestris
  • Anemone sylvestris 'Elise Fellmann' (d)
  • Anemone tomentosa 'Albadura'
  • Anemone tomentosa 'September Glanz'
  • Anemone virginiana
  • Anemone × hybrida 'Andrea Atkinson'
  • Anemone × hybrida 'Coupe d'Argent'
  • Anemone × hybrida 'Honorine Jobert'
  • Anemone × hybrida 'Kriemhilde'
  • Anemone × hybrida 'Lady Gilmour' Wolley-Dod
  • Anemone × hybrida 'Montrose'
  • Anemone × hybrida 'Pretty Lady Diana' (PBR) (Pretty Lady Series)
  • Anemone × hybrida 'Pretty Lady Julia' (PBR) (Pretty Lady Series)
  • Anemone × hybrida 'Pretty Lady Maria' (Pretty Lady Series)
  • Anemone × hybrida 'Pretty Lady Susan' (Pretty Lady Series)
  • Anemone × hybrida 'Robustissima'
  • Anemone × lipsiensis
  • Anemone Dainty Swan = 'Macane005' (PBR)
  • Anemone Dreaming Swan = 'Macane004' (PBR)
  • Anemone Ruffled Swan = 'Macane007' (PBR)
  • Anemone Wild Swan = 'Macane001' (PBR)
  • Anemonella thalictroides 'Betty Blake' (d)
  • Anemonella thalictroides 'Dark Pink'
  • Anemonopsis macrophylla
  • Angelica pachycarpa
  • Angelica sylvestris 'Purple Giant'
  • Angelica sylvestris 'Vicar's Mead'
  • Angelica taiwaniana
  • Angelica ursina
  • Anisodontea 'El Rayo'
  • Anisodontea 'Large Magenta'
  • Anthemis tinctoria 'Alba'
  • Anthemis tinctoria 'E.C. Buxton'
  • Anthemis tinctoria 'Kelwayi'
  • Anthemis tinctoria 'Lemon Ice'
  • Anthemis tinctoria 'Sauce Hollandaise'
  • Anthemis triumfettii
  • Anthemis Susanna Mitchell = 'Blomit'
  • Anthemis 'Tinpenny Sparkle'
  • Anthericum ramosum
  • Anthriscus sylvestris 'Ravenswing'
  • Antirrhinum molle
  • Antirrhinum molle white-flowered
  • Antirrhinum siculum
  • Aquilegia alpina
  • Aquilegia atrata
  • Aquilegia flabellata 'Vermont' (State Series)
  • Aquilegia fragrans
  • Aquilegia kuhistanica
  • Aquilegia sibirica
  • Aquilegia vulgaris 'Nivea'
  • Aquilegia vulgaris var. stellata 'Blue Barlow' (Barlow Series) (d)
  • Aquilegia vulgaris var. stellata 'Christa Barlow' (Barlow Series) (d)
  • Aquilegia vulgaris var. stellata 'Nora Barlow' (Barlow Series) (d)
  • Aquilegia vulgaris 'William Guiness'
  • Aquilegia yabeana
  • Aquilegia × maruyamana
  • Aquilegia 'Alaska' (State Series)
  • Aquilegia 'Fruit and Nut Chocolate'
  • Aquilegia 'Heavenly Blue'
  • Aquilegia 'Little Plum'
  • Aquilegia 'White Star' (Star Series)
  • Arachniodes davalliaeformis
  • Arachniodes simplicior
  • Arachniodes standishii
  • Aralia cordata 'Sun King'
  • Aralia elata
  • Arbutus unedo Roselily = 'Minlily' (PBR)
  • Arbutus unedo 'Atlantic'
  • Arbutus unedo 'Compacta'
  • Arbutus unedo 'Quercifolia'
  • Arbutus × reyorum 'Marina'
  • Arctanthemum arcticum 'Polarstern'
  • Arctanthemum arcticum 'Roseum'
  • Arctotheca calendula
  • Ardisia japonica 'Houkan' (v)
  • Ardisia japonica 'Ito-fukurin' (v)
  • Arisaema consanguineum
  • Arisaema costatum
  • Arisaema flavum
  • Arisaema intermedium
  • Arisaema propinquum
  • Arisaema ringens ambig.
  • Arisarum proboscideum
  • Aristea ecklonii
  • Aristolochia contorta
  • Aristolochia manshuriensis
  • Armeria 'Joystick Lilac Shades' (Joystick Series)
  • Aronia arbutifolia 'Erecta'
  • Aronia × prunifolia 'Autumn Magic'
  • Aronia × prunifolia 'Brilliant'
  • Aronia × prunifolia 'Viking' (F)
  • Artemisia abrotanum
  • Artemisia absinthium 'Lambrook Silver'
  • Artemisia alba 'Canescens'
  • Artemisia lactiflora
  • Artemisia lactiflora (Guizhou Group) 'Dark Delight'
  • Artemisia lactiflora Guizhou Group
  • Artemisia lactiflora 'Jim Russell'
  • Artemisia lactiflora 'Weisses Wunder'
  • Artemisia ludoviciana 'Silver Queen'
  • Artemisia ludoviciana 'Valerie Finnis'
  • Artemisia maritima 'Coca-Cola'
  • Artemisia michauxiana
  • Artemisia pontica
  • Artemisia princeps
  • Artemisia schmidtiana 'Nana'
  • Artemisia stelleriana 'Boughton Silver'
  • Artemisia 'Powis Castle'
  • Arum creticum
  • Arum creticum 'Marmaris White'
  • Arum dioscoridis
  • Aruncus aethusifolius 'Filigran'
  • Aruncus aethusifolius 'Porzellan'
  • Aruncus dioicus
  • Aruncus dioicus 'Kneiffii'
  • Aruncus 'Horatio'
  • Aruncus 'Johannifest'
  • Aruncus 'Misty Lace'
  • Arundo donax
  • Arundo donax var. versicolor (v)
  • Asarum arifolium
  • Asarum arifolium 'The Giant'
  • Asarum arifolium white-flowered
  • Asarum caudatum
  • Asarum delavayi giant
  • Asarum epigynum
  • Asarum europaeum
  • Asarum splendens
  • Asclepias incarnata 'Ice Ballet'
  • Asclepias incarnata 'Soulmate'
  • Asclepias tuberosa
  • Asparagus pseudoscaber 'Spitzenschleier'
  • Asparagus virgatus
  • Asperula taurina
  • Asphodeline lutea
  • Asphodelus aestivus
  • Asphodelus albus
  • Asphodelus fistulosus
  • Aspidistra elatior
  • Aspidistra elatior 'Milky Way' (v)
  • Aspidistra zongbayi 'Uan Fat Lady'
  • Asplenium scolopendrium 'Angustatum'
  • Asplenium scolopendrium Cristatum Group
  • Asplenium scolopendrium 'Furcatum'
  • Asplenium scolopendrium Undulatum Group
  • Asplenium trichomanes
  • Aster ageratoides 'Starshine' (PBR)
  • Aster alpinus 'Goliath'
  • Aster alpinus 'Pinkie'
  • Aster amellus 'King George'
  • Aster amellus 'Rosa Erfüllung'
  • Aster amellus 'Rudolph Goethe'
  • Aster amellus 'Veilchenkönigin'
  • Aster peduncularis
  • Aster souliei
  • Aster tataricus 'Jindai'
  • Aster thomsonii 'Nanus'
  • Aster × frikartii
  • Aster × frikartii 'Jungfrau'
  • Aster × frikartii 'Mönch'
  • Aster × frikartii 'Wunder von Stäfa'
  • Aster 'Afternoon Delight'
  • Asterotrichion discolor
  • Astilbe chinensis var. pumila
  • Astilbe chinensis var. taquetii 'Purpurlanze'
  • Astilbe rivularis var. myriantha
  • Astilbe 'Beauty of Ernst' (× arendsii)
  • Astilbe 'Bressingham Beauty' (× arendsii)
  • Astilbe 'Chocolate Shogun'
  • Astilbe 'Delft Lace'
  • Astilbe 'Deutschland' (japonica hybrid)
  • Astilbe 'Dusseldorf' (japonica hybrid)
  • Astilbe 'Fanal' (× arendsii)
  • Astilbe 'Federsee' (× arendsii)
  • Astilbe 'Glut' (× arendsii)
  • Astilbe 'Hyazinth' (× arendsii)
  • Astilbe 'Irrlicht' (× arendsii)
  • Astilbe 'Mainz' (japonica hybrid)
  • Astilboides tabularis
  • Astrantia major
  • Astrantia major 'Berdien'
  • Astrantia major 'Florence' (PBR)
  • Astrantia major 'Gracilis'
  • Astrantia major 'Lola'
  • Astrantia major 'Penny's Pink'
  • Astrantia major 'Pink Sensation'
  • Astrantia major 'Primadonna'
  • Astrantia major 'Red Joyce'
  • Astrantia major 'Rosensinfonie'
  • Astrantia major 'Ruby Giant'
  • Astrantia major 'Ruby Wedding'
  • Astrantia major 'Silver Glow'
  • Astrantia major 'Star of Billion' (PBR)
  • Astrantia major 'Star of Summer'
  • Astrantia major subsp. involucrata 'Shaggy'
  • Astrantia major 'Sunningdale Variegated' (v)
  • Astrantia major 'Venice' (PBR)
  • Astrantia maxima
  • Astrantia 'Bloody Mary'
  • Astrantia 'Hadspen Blood'
  • Astrantia 'Roma' (PBR)
  • Astrantia 'Ruby Star' (PBR)
  • Astrantia 'Snow Star' (PBR)
  • Astrantia 'Star of Passion' (PBR)
  • Astrantia 'Star of Treasure' (PBR)
  • Astrantia 'Superstar' (PBR)
  • Astrantia 'Warren Hills'
  • Athyrium filix-femina 'Frizelliae'
  • Athyrium filix-femina 'Lady-in-Lace'
  • Athyrium filix-femina 'Minutissimum'
  • Athyrium filix-femina subsp. angustum f. rubellum 'Lady in Red'
  • Athyrium filix-femina 'Victoriae'
  • Athyrium niponicum 'Godzilla'
  • Athyrium niponicum var. pictum 'Apple Court'
  • Athyrium niponicum var. pictum 'Burgundy Lace'
  • Athyrium niponicum var. pictum 'Pewter Lace'
  • Athyrium niponicum var. pictum 'Regal Red'
  • Athyrium niponicum var. pictum 'Silver Falls'
  • Athyrium niponicum var. pictum 'Ursula's Red'
  • Athyrium otophorum var. okanum
  • Athyrium 'Branford Rambler'
  • Athyrium 'Ghost'
  • Athyrium 'Ocean's Fury'
  • Atriplex halimus
  • Aucuba japonica 'Crotonifolia' (f/v)
  • Aucuba japonica f. longifolia 'Salicifolia' (f)
  • Aucuba japonica 'Golden King' (m/v)
  • Aucuba japonica 'Variegata' (f/v)
  • Azara microphylla
  • Azara microphylla 'Variegata' (v)
  • Azara serrata 'Maurice Mason'
  • Ballota pseudodictamnus
  • Baptisia australis
  • Baptisia australis 'Blueberry Sundae'
  • Baptisia australis 'Exaltata'
  • Baptisia × variicolor 'Twilite' (Prairieblues Series)
  • Baptisia 'Carolina Moonlight'
  • Baptisia 'Cherries Jubilee'
  • Baptisia 'Dutch Chocolate' (Decadence Series)
  • Baptisia 'Indigo Spires'
  • Baptisia 'Lemon Meringue'
  • Baptisia 'Pink Truffles' (Decadence Series)
  • Baptisia 'Purple Smoke'
  • Beesia calthifolia
  • Begonia cathayana
  • Begonia emeiensis
  • Begonia grandis Dryand. subsp. evansiana (Andrews) Irmsch. var. alba hort.
  • Begonia grandis subsp. evansiana 'Claret Jug'
  • Begonia grandis subsp. evansiana 'Simsii'
  • Begonia luxurians
  • Begonia sutherlandii (T)
  • Begonia 'Wavy Green'
  • Berberidopsis corallina
  • Berberis darwinii
  • Berberis darwinii 'Compacta'
  • Berberis gagnepainii var. lanceifolia 'Fernspray'
  • Berberis hamiltoniana
  • Berberis microphylla 'Pygmaea'
  • Berberis thunbergii f. atropurpurea
  • Berberis thunbergii f. atropurpurea 'Atropurpurea Nana'
  • Berberis thunbergii f. atropurpurea 'Helmond Pillar'
  • Berberis thunbergii f. atropurpurea 'Red Rocket'
  • Berberis thunbergii f. atropurpurea 'Rose Glow' (v)
  • Berberis thunbergii f. atropurpurea 'Rosy Rocket' (PBR) (v)
  • Berberis thunbergii 'Golden Rocket' (PBR)
  • Berberis thunbergii 'Orange Dream' (PBR)
  • Berberis thunbergii 'Orange Rocket' (PBR)
  • Berberis thunbergii 'Starburst' (PBR) (v)
  • Berberis × carminea 'Pirate King'
  • Berberis × ottawensis f. purpurea 'Superba'
  • Berberis × stenophylla 'Claret Cascade'
  • Berberis 'Goldilocks'
  • Bergenia cordifolia
  • Bergenia cordifolia 'Jelle'
  • Bergenia cordifolia 'Purpurea'
  • Bergenia pacumbis
  • Bergenia purpurascens
  • Bergenia purpurascens var. delavayi
  • Bergenia 'Abendglut'
  • Bergenia 'Bressingham Ruby'
  • Bergenia 'Bressingham Salmon'
  • Bergenia 'David'
  • Bergenia 'Eroica'
  • Bergenia 'Godfrey Owen'
  • Bergenia 'Herbstblute'
  • Bergenia 'Ice Queen'
  • Bergenia 'Opal'
  • Bergenia 'Overture'
  • Bergenia 'Rosi Ruffles'
  • Berkheya cirsiifolia
  • Berkheya radula
  • Beschorneria septentrionalis
  • Beschorneria yuccoides
  • Besseya wyomingensis
  • Betonica macrantha
  • Betonica macrantha 'Alba'
  • Betonica macrantha 'Nivea'
  • Betonica macrantha 'Superba'
  • Betonica macrantha 'Violacea'
  • Betonica officinalis 'Hummelo'
  • Betonica officinalis 'Saharan Pink'
  • Betula dauurica 'Maurice Foster'
  • Betula ermanii 'Daleside'
  • Betula ermanii 'Grayswood Hill'
  • Betula ermanii 'Hakkoda Orange'
  • Betula ermanii 'Mount Zao'
  • Betula luminifera
  • Betula medwediewii
  • Betula nigra
  • Betula nigra 'Black Star'
  • Betula nigra 'Cully'
  • Betula nigra 'Summer Cascade' (PBR)
  • Betula papyrifera
  • Betula papyrifera 'Belle Vue'
  • Betula papyrifera 'Saint George'
  • Betula pendula 'Crimson Frost'
  • Betula pendula subsp. pendula Fastigiata Joes = 'Jolep 1' (PBR)
  • Betula pendula subsp. pendula 'Fastigiata'
  • Betula pendula subsp. pendula 'Laciniata'
  • Betula pendula subsp. pendula 'Spider Alley' (PBR)
  • Betula pendula subsp. pendula 'Tristis'
  • Betula pendula subsp. pendula 'Youngii'
  • Betula pubescens
  • Betula utilis
  • Betula utilis subsp. albosinensis (Burkill) Ashburner & McAll.
  • Betula utilis subsp. albosinensis 'Bowling Green'
  • Betula utilis subsp. albosinensis 'China Rose'
  • Betula utilis subsp. albosinensis 'Kansu'
  • Betula utilis subsp. albosinensis 'Red Panda'
  • Betula utilis subsp. jacquemontii
  • Betula utilis subsp. jacquemontii 'Doorenbos'
  • Betula utilis subsp. jacquemontii 'Grayswood Ghost'
  • Betula utilis subsp. jacquemontii 'Jermyns'
  • Betula utilis subsp. jacquemontii 'Knightshayes'
  • Betula utilis subsp. jacquemontii 'Moonbeam'
  • Betula utilis subsp. jacquemontii 'Silver Shadow'
  • Betula utilis subsp. jacquemontii 'Snow Leopard'
  • Betula utilis subsp. jacquemontii 'Trinity College'
  • Betula utilis subsp. utilis 'Bhutan Sienna'
  • Betula utilis subsp. utilis 'Buddha'
  • Betula utilis subsp. utilis 'China Bronze'
  • Betula utilis subsp. utilis 'Forest Blush'
  • Betula utilis subsp. utilis 'Mount Luoji'
  • Betula utilis subsp. utilis 'Nepalese Orange'
  • Betula utilis subsp. utilis 'White-Ness'
  • Betula 'Hergest'
  • Betula 'Long Trunk'
  • Betula 'Polar Bear'
  • Betula 'Royal Frost'
  • Bidens aurea white-flowered
  • Billardiera longiflora
  • Blechnum chilense
  • Blechnum penna-marina subsp. alpinum
  • Blechnum spicant
  • Bletilla striata
  • Bletilla striata f. gebina
  • Bletilla striata f. gebina variegated (v)
  • Bletilla striata 'Kuchi-beni'
  • Bletilla striata 'Shi-ran'
  • Boehmeria sieboldiana
  • Boltonia asteroides var. latisquama Jim Crockett = 'Masbolimket' (PBR)
  • Bomarea acutifolia
  • Bomarea costaricensis
  • Bomarea multiflora
  • Bothriochloa bladhii
  • Bouvardia ternifolia
  • Brachyglottis bidwillii
  • Brachyglottis rotundifolia
  • Brachyglottis (Dunedin Group) 'Sunshine'
  • Brachyglottis Walberton's Silver Dormouse = 'Walbrach' (PBR)
  • Briza media
  • Briza media 'Russells' (PBR)
  • Brodiaea californica
  • Brunnera macrophylla
  • Brunnera macrophylla 'Alexanders Great' (PBR)
  • Brunnera macrophylla 'Diane's Gold' (PBR)
  • Brunnera macrophylla 'Emerald Mist' (PBR) (v)
  • Brunnera macrophylla 'Henry's Eyes'
  • Brunnera macrophylla 'Langtrees'
  • Brunnera macrophylla 'Little Jack' (v)
  • Brunnera macrophylla 'Looking Glass' (PBR)
  • Brunnera macrophylla 'Sea Heart' (PBR)
  • Brunnera macrophylla 'Silver Spear'
  • Brunnera macrophylla 'Silver Wings'
  • Brunnera sibirica
  • Buddleja alternifolia
  • Buddleja crispa
  • Buddleja davidii 'Black Knight'
  • Buddleja davidii 'Dartmoor'
  • Buddleja davidii 'Royal Red'
  • Buddleja davidii 'Sophie' (PBR)
  • Buddleja davidii 'White Profusion'
  • Buddleja forrestii
  • Buddleja lindleyana
  • Buddleja pterocaulis
  • Buddleja salviifolia
  • Buddleja salviifolia white-flowered
  • Buddleja venenifera
  • Buddleja × weyeriana 'Bicolor'
  • Buddleja × weyeriana 'Sungold'
  • Buddleja Flutterby Petite Pink = 'Podaras 16' (Flutterby Petite Series)
  • Buddleja True Blue = 'Bostulu' (PBR)
  • Buddleja 'Bel Argent'
  • Buddleja 'Lochinch'
  • Buddleja 'Miss Ruby' (PBR)
  • Buddleja 'Pink Delight'
  • Bulbinella hookeri
  • Bulbinella nutans
  • Buphthalmum salicifolium
  • Bupleurum fruticosum
  • Bupleurum longifolium
  • Buxus sempervirens
  • Calamagrostis × acutiflora 'Avalanche'
  • Calamagrostis × acutiflora 'Karl Foerster'
  • Calamagrostis × acutiflora 'Overdam' (v)
  • Calamintha ascendens
  • Calamintha grandiflora 'Variegata' (v)
  • Calamintha nepeta subsp. nepeta 'Blue Cloud'
  • Calamintha nepeta 'Weisse Riese'
  • Calanthe discolor
  • Calceolaria corymbosa
  • Calceolaria filicaulis
  • Callicarpa bodinieri var. giraldii 'Profusion'
  • Callicarpa dichotoma 'Issai'
  • Callicarpa japonica 'Leucocarpa'
  • Callirhoe involucrata var. tenuissima
  • Callistemon sieberi DC.
  • Caltha leptosepala
  • Caltha palustris 'Flore Pleno' (d)
  • Caltha palustris 'Himalayan Snow'
  • Caltha palustris var. alba
  • Calycanthus chinensis
  • Calycanthus floridus
  • Camassia cusickii
  • Camassia leichtlinii 'Semiplena' (d)
  • Camassia leichtlinii subsp. leichtlinii
  • Camassia quamash
  • Camassia quamash 'Blue Melody' (v)
  • Camassia quamash 'Orion'
  • Campanula alliariifolia
  • Campanula alliariifolia 'Ivory Towers'
  • Campanula barbata
  • Campanula cochlearifolia
  • Campanula glomerata 'Caroline'
  • Campanula glomerata 'Emerald'
  • Campanula glomerata 'Freya' (PBR)
  • Campanula glomerata 'Joan Elliott'
  • Campanula glomerata 'Superba'
  • Campanula glomerata var. dahurica
  • Campanula grossekii
  • Campanula kirpicznikovii
  • Campanula lactiflora
  • Campanula lactiflora Avalanche = 'Camblo'
  • Campanula lactiflora 'Alba'
  • Campanula lactiflora 'Loddon Anna'
  • Campanula lactiflora 'Pouffe'
  • Campanula lactiflora 'Prichard's Variety'
  • Campanula latifolia 'Gloaming'
  • Campanula latifolia var. alba
  • Campanula latifolia var. macrantha
  • Campanula latiloba 'Alba'
  • Campanula latiloba 'Highcliffe Variety'
  • Campanula latiloba 'Percy Piper'
  • Campanula odontosepala
  • Campanula persicifolia
  • Campanula persicifolia 'Cornish Mist'
  • Campanula persicifolia 'La Belle' (d)
  • Campanula persicifolia 'La Bonne Amie' (d)
  • Campanula persicifolia 'Telham Beauty' misapplied
  • Campanula persicifolia var. alba
  • Campanula portenschlagiana
  • Campanula poscharskyana variegated (v)
  • Campanula punctata f. rubriflora
  • Campanula punctata f. rubriflora 'Beetroot'
  • Campanula punctata f. rubriflora 'Wine 'n' Rubies'
  • Campanula pyramidalis
  • Campanula rotundifolia 'Olympica'
  • Campanula takesimana 'Elizabeth'
  • Campanula trachelium
  • Campanula trachelium 'Bernice' (d)
  • Campanula trachelium f. alba
  • Campanula Iridescent Bells = 'Iribella' (PBR)
  • Campanula 'Albert Kirkham'
  • Campanula 'Barbara Valentine'
  • Campanula 'Chloe'
  • Campanula 'Kent Belle'
  • Campanula 'Mevr. V. Vollenhove'
  • Campanula 'Purple Sensation' (PBR)
  • Campanula 'Summertime Blues' (PBR)
  • Campsis radicans f. flava
  • Campsis radicans 'Flamenco'
  • Campsis × tagliabuana 'Madame Galen'
  • Cardamine bulbifera
  • Cardamine californica
  • Cardamine digitata
  • Cardamine diphylla
  • Cardamine diphylla 'Eco Cut Leaf'
  • Cardamine glanduligera
  • Cardamine heptaphylla 'Big White'
  • Cardamine macrophylla
  • Cardamine pentaphylla
  • Cardamine raphanifolia
  • Cardamine trifolia
  • Cardamine waldsteinii
  • Cardamine yezoensis
  • Cardiocrinum giganteum
  • Carex atrata subsp. pullata
  • Carex brunnea 'Jenneke' (v)
  • Carex brunnea 'Jubilo' (PBR)
  • Carex buchananii
  • Carex buchananii 'Red Rooster'
  • Carex ciliatomarginata 'Treasure Island' (v)
  • Carex comans 'Frosted Curls'
  • Carex davalliana
  • Carex elata 'Aurea'
  • Carex flacca subsp. flacca
  • Carex flagellifera
  • Carex oshimensis Everest = 'Fiwhite' (PBR) (v)
  • Carex oshimensis 'Evergold' (v)
  • Carex oshimensis 'Everillo' (PBR) (EverColor Series)
  • Carex panicea
  • Carex petriei
  • Carex testacea
  • Carex 'Ice Dance' (v)
  • Carmichaelia stevensonii
  • Carpenteria californica
  • Carpenteria californica 'Bodnant'
  • Carpinus betulus
  • Carpinus betulus 'Columnaris'
  • Carpinus betulus 'Frans Fontaine'
  • Carpinus betulus 'Pendula'
  • Carpinus betulus 'Stegemanns Primus' (PBR)
  • Carpinus fangiana
  • Carpinus fargesiana
  • Carpinus omeiensis
  • Carpinus polyneura
  • Carpinus pubescens
  • Carpinus shensiensis
  • Caryopteris incana 'Delft Blue'
  • Caryopteris × clandonensis Blue Empire = 'Elst33' (PBR)
  • Caryopteris × clandonensis Grand Bleu = 'Inoveris' (PBR)
  • Caryopteris × clandonensis Sterling Silver = 'Lissilv' (PBR)
  • Caryopteris × clandonensis 'Dark Knight'
  • Caryopteris × clandonensis 'Heavenly Blue'
  • Caryopteris × clandonensis 'Kew Blue'
  • Caryopteris × clandonensis 'Summer Sorbet' (PBR) (v)
  • Catalpa bignonioides
  • Catalpa bignonioides 'Aurea'
  • Catalpa bignonioides 'Variegata' (v)
  • Catalpa bungei Duclouxii Group
  • Catalpa speciosa 'Pulverulenta' (v)
  • Catalpa × erubescens 'Purpurea'
  • Catananche caerulea
  • Catananche caerulea 'Alba'
  • Catananche caerulea 'Amor Blue'
  • Caulophyllum thalictroides
  • Caulophyllum thalictroides subsp. robustum
  • Cautleya cathcartii 'Tenzing's Gold'
  • Cautleya gracilis
  • Cautleya spicata 'Robusta'
  • Ceanothus thyrsiflorus var. repens
  • Ceanothus 'Autumnal Blue'
  • Ceanothus 'Victoria'
  • Cedrus deodara 'Kelly Gold'
  • Celtis australis
  • Cenolophium denudatum
  • Centaurea atropurpurea
  • Centaurea bella
  • Centaurea carniolica
  • Centaurea dealbata
  • Centaurea glastifolia
  • Centaurea karabaghensis
  • Centaurea montana
  • Centaurea montana 'Amethyst Dream' (PBR)
  • Centaurea montana 'Amethyst in Snow'
  • Centaurea montana 'Black Sprite'
  • Centaurea montana 'Grandiflora'
  • Centaurea montana 'Purple Heart'
  • Centaurea montana 'Violetta'
  • Centaurea nigra
  • Centaurea rigidifolia
  • Centaurea rupestris
  • Centaurea simplicicaulis
  • Centaurea 'Caramia'
  • Centaurea 'John Coutts'
  • Centaurea 'Jordy'
  • Centranthus ruber 'Snowcloud'
  • Centranthus ruber var. coccineus
  • Cephalanthus occidentalis
  • Cerastium tomentosum
  • Ceratostigma griffithii
  • Ceratostigma plumbaginoides
  • Ceratostigma willmottianum
  • Ceratostigma willmottianum Sapphire Ring = 'Lissbrill' (PBR)
  • Cercidiphyllum japonicum f. pendulum
  • Cercidiphyllum japonicum 'Morioka Weeping'
  • Cercidiphyllum magnificum
  • Cercis canadensis Lavender Twist = 'Covey'
  • Cercis canadensis 'Forest Pansy'
  • Cercis canadensis 'Hearts of Gold' (PBR)
  • Cercis canadensis 'Pink Pom Poms'
  • Cercis canadensis 'Ruby Falls' (PBR)
  • Cercis canadensis 'Vanilla Twist' (PBR)
  • Cercis canadensis var. texensis 'Oklahoma'
  • Cercis canadensis var. texensis 'Texas White'
  • Cercis siliquastrum
  • Cerinthe major 'Purpurascens'
  • Cestrum parqui
  • Cestrum roseum 'Ilnacullin'
  • Cestrum × cultum 'Cretan Purple'
  • Cestrum 'Newellii'
  • Chaenomeles speciosa Mango Storm = 'Mincha01' (PBR)
  • Chaenomeles speciosa 'Geisha Girl' (d)
  • Chaenomeles speciosa 'Nivalis'
  • Chaenomeles speciosa 'Orange Storm' (PBR)
  • Chaenomeles speciosa 'Pink Storm' (PBR)
  • Chaenomeles speciosa 'Scarlet Storm' (PBR)
  • Chaenomeles × superba 'Crimson and Gold'
  • Chaenomeles × superba 'Knap Hill Scarlet'
  • Chaenomeles Madame Butterfly = 'Whitice'
  • Chaerophyllum hirsutum 'Roseum'
  • Chamaenerion angustifolium 'Album'
  • Chamaenerion angustifolium 'Stahl Rose'
  • Chasmanthium latifolium
  • Cheilanthes lanosa
  • Chelone glabra
  • Chelone lyonii
  • Chelone lyonii 'Pink Temptation'
  • Chelone obliqua
  • Chelonopsis moschata
  • Chimonanthus praecox
  • Chionochloa conspicua
  • Chionochloa flavescens
  • Chionochloa flavicans
  • Chionochloa rubra
  • Chlorophytum graminifolium
  • Choisya ternata
  • Choisya ternata Sundance = 'Lich'
  • Choisya × dewitteana Goldfingers = 'Limo' (PBR)
  • Choisya × dewitteana White Dazzler = 'Londaz' (PBR)
  • Choisya × dewitteana 'Aztec Gold' (PBR)
  • Choisya × dewitteana 'Aztec Pearl'
  • Chromolaena arnottiana
  • Chrysanthemum 'Capel Manor'
  • Chrysanthemum 'Chelsea Physic Garden'
  • Chrysanthemum 'Cottage Apricot' (21)
  • Chrysanthemum 'Dixter Orange'
  • Chrysanthemum 'Duchess of Edinburgh' (21d)
  • Chrysanthemum 'Early Yellow'
  • Chrysanthemum 'Goldengreenheart' (21d)
  • Chrysanthemum 'Mary Stoker' (21d)
  • Chrysanthemum 'Mei-Kyo' (28b)
  • Chrysanthemum 'Mrs Jessie Cooper' (21d)
  • Chrysanthemum 'Nantyderry Sunshine' (28b)
  • Chrysanthemum 'Peterkin'
  • Chrysanthemum 'Uri'
  • Chrysanthemum 'Wendy Tench' (21d)
  • Chrysogonum virginianum
  • Chrysopogon gryllus
  • Chrysosplenium alternifolium
  • Chrysosplenium davidianum
  • Chrysosplenium macrophyllum
  • Cirsium rivulare Frosted Magic = 'Lowcir' (PBR)
  • Cirsium rivulare 'Atropurpureum'
  • Cirsium rivulare 'Trevor's Felley Find' (PBR)
  • Cirsium 'Mount Etna'
  • Cissus striata
  • Cistus creticus subsp. creticus
  • Cistus × argenteus 'Silver Pink' ambig.
  • Cistus × cyprius
  • Cistus × dansereaui 'Decumbens'
  • Cistus × dansereaui 'Jenkyn Place'
  • Cistus × fernandesiae 'Anne Palmer'
  • Cistus × hybridus
  • Cistus × laxus 'Snow White'
  • Cistus × lenis 'Grayswood Pink'
  • Cistus × pulverulentus 'Sunset'
  • Cistus 'Snow Fire'
  • Citharexylum spinosum
  • Citrus trifoliata
  • Cladrastis kentukea
  • Cladrastis sinensis
  • Claytonia virginica
  • Clematis alpina 'Stolwijk Gold' (A)
  • Clematis alternata
  • Clematis armandi
  • Clematis armandi 'Little White Charm' (Ar)
  • Clematis armandi 'Snowdrift' (Ar)
  • Clematis cirrhosa 'Jingle Bells' (C)
  • Clematis cirrhosa 'Ourika Valley' (C)
  • Clematis cirrhosa 'Winter Parasol' (C)
  • Clematis cirrhosa 'Wisley Cream' (C)
  • Clematis hirsutissima var. scottii
  • Clematis orientalis L.
  • Clematis patens 'Yukiokoshi' (EL)
  • Clematis rehderiana
  • Clematis tubulosa 'Wyevale' (H)
  • Clematis urophylla 'Winter Beauty'
  • Clematis 'Étoile Rose' (Vt)
  • Clematis × aromatica
  • Clematis Blue Ocean = 'Zo09045' (PBR) (I)
  • Clematis I Am a Little Beauty = 'Zolibe' (Vt)
  • Clematis I Am Lady Q = 'Zoiamladyq' (PBR) (Vt)
  • Clematis Princess Kate = 'Zoprika' (PBR) (T)
  • Clematis Queen Mother = 'Zoqum' (Vt)
  • Clematis 'Alice Fisk' (EL)
  • Clematis 'Ascotiensis' (LL)
  • Clematis 'Bagatelle' (LL)
  • Clematis 'Bees' Jubilee' (EL)
  • Clematis 'Betty Corning' (Vt)
  • Clematis 'Blekitny Aniol' (LL)
  • Clematis 'Blue Bird' (A/d)
  • Clematis 'Broughton Star' (M/d)
  • Clematis 'Carmencita' (Vt)
  • Clematis 'Change of Heart' (EL)
  • Clematis 'Cloudburst' (LL)
  • Clematis 'Columbine' (A)
  • Clematis 'Columella' (A)
  • Clematis 'Comtesse de Bouchaud' (LL)
  • Clematis 'Constance' (A)
  • Clematis 'Daniel Deronda' (EL)
  • Clematis 'Entel' (Vt)
  • Clematis 'Fragrant Spring' (M)
  • Clematis 'Frau Susanne' (EL)
  • Clematis 'Gillian Blades' (EL)
  • Clematis 'Gravetye Beauty' (T)
  • Clematis 'Hagley Hybrid' (LL)
  • Clematis 'Henryi' (EL)
  • Clematis 'Innocent Blush' (PBR) (EL)
  • Clematis 'Innocent Glance' (PBR) (EL)
  • Clematis 'Jackmanii' (LL)
  • Clematis 'Jacqueline du Pré' (A)
  • Clematis 'Kermesina' (Vt)
  • Clematis 'Krakowiak' (PBR) (Vt)
  • Clematis 'Last Dance' (Ta)
  • Clematis 'Lasurstern' (EL)
  • Clematis 'Little Nell' (Vt)
  • Clematis 'Madame Julia Correvon' (Vt)
  • Clematis 'Minuet' (Vt)
  • Clematis 'Miss Bateman' (EL)
  • Clematis 'Mrs George Jackman' (EL)
  • Clematis 'Mrs James Mason' (EL)
  • Clematis 'Mrs N. Thompson' (EL)
  • Clematis 'Natacha' (EL)
  • Clematis 'Niobe' (EL)
  • Clematis 'Pagoda' (Vt)
  • Clematis 'Perle d'Azur' (LL)
  • Clematis 'Perrin's Pride' (Vt)
  • Clematis 'Piilu' (EL)
  • Clematis 'Praecox' (H)
  • Clematis 'Princess Diana' (T)
  • Clematis 'Purpurea Plena Elegans' (Vt/d)
  • Clematis 'Red Star' (d)
  • Clematis 'Rouge Cardinal' (LL)
  • Clematis 'Sunrise' (M/d)
  • Clematis 'Varenne' (EL)
  • Clematis 'Vince Denny' (Ta)
  • Clematis 'Warwickshire Rose' (M)
  • Clematis 'Yvette Houry' (EL)
  • Clerodendrum bungei
  • Clerodendrum trichotomum 'Purple Blaze'
  • Clerodendrum trichotomum var. fargesii 'Carnival' (v)
  • Clethra alnifolia
  • Clethra barbinervis 'White Star'
  • Clethra delavayi Franch.
  • Clethra fargesii
  • Clethra monostachya
  • Clethra pringlei
  • Cleyera japonica 'Fortunei' (v)
  • Cleyera japonica var. japonica
  • Clinopodium vulgare
  • Codonopsis affinis
  • Codonopsis clematidea
  • Codonopsis kawakamii
  • Codonopsis obtusa
  • Codonopsis pilosula
  • Codonopsis pilosula var. modesta
  • Codonopsis rotundifolia var. grandiflora
  • Codonopsis aff. deltoidea
  • Coleonema 'Sunset Gold'
  • Colquhounia coccinea
  • Colquhounia coccinea var. vestita ambig.
  • Colutea orientalis
  • Commelina dianthifolia
  • Comptonia peregrina
  • Coniogramme japonica 'Flavomaculata'
  • Conoclinium coelestinum
  • Convallaria majalis
  • Convallaria majalis 'Albostriata' (v)
  • Convallaria majalis 'Bridal Choice'
  • Convallaria majalis 'Hardwick Hall' (v)
  • Convallaria majalis 'Prolificans'
  • Convallaria majalis var. rosea
  • Convolvulus cneorum
  • Convolvulus sabatius
  • Coprosma repens Pacific Night = 'Hutpac' (PBR) (m)
  • Cordyline 'Cha Cha' (PBR) (v)
  • Cordyline 'Jive' (PBR) (v)
  • Coreopsis grandiflora 'Domino'
  • Coreopsis grandiflora 'Early Sunrise'
  • Coreopsis grandiflora 'Mayfield Giant'
  • Coreopsis lanceolata 'Walter'
  • Coreopsis major
  • Coreopsis tripteris 'Mostenveld'
  • Coreopsis verticillata 'Hot Paprika' (Sizzle and Spice Series)
  • Coreopsis verticillata 'Limerock Dream' (PBR)
  • Coreopsis verticillata 'Moonbeam'
  • Coreopsis verticillata 'Zagreb'
  • Coreopsis Mango Punch = 'Rp5' (Punch Series)
  • Coreopsis 'Cosmic Evolution' (Big Bang Series)
  • Coreopsis 'Cosmic Eye' (Big Bang Series)
  • Coreopsis 'Fool's Gold'
  • Coreopsis 'Full Moon' (PBR) (Big Bang Series)
  • Coreopsis 'Galaxy' (Big Bang Series)
  • Coreopsis 'Mercury Rising' (PBR) (Big Bang Series)
  • Coreopsis 'Redshift'
  • Coreopsis 'Ruby Frost' (Hardy Jewel Series)
  • Coreopsis 'Starlight' (Li'l Bang Series)
  • Coreopsis 'Sterntaler'
  • Cornus alba Baton Rouge = 'Minbat' (PBR)
  • Cornus alba 'Aurea'
  • Cornus alba 'Elegantissima' (v)
  • Cornus alba 'Kesselringii'
  • Cornus alba 'Sibirica'
  • Cornus alba 'Sibirica Variegata' (v)
  • Cornus alba 'Spaethii' (v)
  • Cornus alternifolia 'Argentea' (v)
  • Cornus canadensis
  • Cornus capitata
  • Cornus controversa 'Variegata' (v)
  • Cornus florida subsp. urbiniana
  • Cornus kousa 'Marwood Twilight'
  • Cornus macrophylla Wall.
  • Cornus mas
  • Cornus oblonga
  • Cornus officinalis
  • Cornus sanguinea 'Midwinter Fire'
  • Cornus sanguinea 'Winter Beauty'
  • Cornus sericea 'Cardinal'
  • Cornus sericea 'Flaviramea'
  • Cornus sericea 'Hedgerows Gold' (v)
  • Cornus sericea 'Kelseyi'
  • Cornus sericea 'White Gold' (v)
  • Cornus × elwinortonii Venus = 'Kn30 8' (PBR) (Jersey Star Series)
  • Cornus 'Eddie's White Wonder'
  • Cornus 'Norman Hadden'
  • Cornus 'Ormonde'
  • Corokia cotoneaster
  • Coronilla valentina subsp. glauca
  • Coronilla valentina subsp. glauca 'Citrina'
  • Coronilla valentina subsp. glauca 'Variegata' (v)
  • Correa backhouseana
  • Cortaderia rudiuscula
  • Cortaderia selloana
  • Cortaderia selloana 'Pointe du Raz'
  • Cortaderia selloana 'Pumila'
  • Cortusa caucasica 'Alba'
  • Cortusa matthioli subsp. pekinensis
  • Corydalis buschii
  • Corydalis cashmeriana 'Kailash'
  • Corydalis cava
  • Corydalis flexuosa 'Père David'
  • Corydalis flexuosa 'Purple Leaf'
  • Corydalis heterocarpa var. japonica
  • Corydalis malkensis
  • Corydalis temulifolia 'Chocolate Stars'
  • Corydalis 'Blackberry Wine'
  • Corydalis 'Spinners'
  • Corydalis 'Tory MP'
  • Corylopsis pauciflora
  • Corylopsis sinensis
  • Corylopsis sinensis var. sinensis
  • Corylopsis sinensis var. sinensis 'Spring Purple'
  • Corylus avellana 'Aurea'
  • Corylus avellana 'Contorta'
  • Corylus avellana 'Heterophylla'
  • Corylus avellana 'Red Majestic' (PBR)
  • Corylus avellana 'Webb's Prize Cob' (F)
  • Corylus colurna
  • Corylus maxima 'Kentish Cob' (F)
  • Corylus maxima 'Purpurea' (F)
  • Corylus 'Te Terra Red'
  • Corynabutilon vitifolium 'Veronica Tennant'
  • Cosmos atrosanguineus Chocamocha = 'Thomocha' (PBR)
  • Cotinus coggygria Golden Spirit = 'Ancot' (PBR)
  • Cotinus coggygria Green Fountain = 'Kolcot' (PBR)
  • Cotinus coggygria 'Old Fashioned' (PBR)
  • Cotinus coggygria 'Royal Purple'
  • Cotinus 'Flame'
  • Cotinus 'Grace'
  • Cotoneaster bradyi
  • Cotoneaster dammeri
  • Cotoneaster franchetii
  • Cotoneaster horizontalis
  • Cotoneaster microphyllus ambig.
  • Cotoneaster ogisui
  • Cotoneaster simonsii
  • Cotoneaster × suecicus 'Coral Beauty'
  • Cotoneaster 'Cornubia'
  • Cotoneaster 'Exburiensis'
  • Cotoneaster 'Hybridus Pendulus'
  • Cotoneaster 'Rothschildianus'
  • Crambe cordifolia
  • Crambe maritima
  • Crataegus arnoldiana
  • Crataegus laevigata 'Paul's Scarlet' (d)
  • Crataegus laevigata 'Rosea Flore Pleno' (d)
  • Crataegus monogyna 'Biflora'
  • Crataegus persimilis 'Prunifolia Splendens'
  • Crataegus phaenopyrum
  • Crataegus pinnatifida var. major 'Big Golden Star'
  • Crataegus schraderiana
  • Crataegus × durobrivensis
  • Crinodendron hookerianum
  • Crinodendron patagua
  • Crinum powellii 'Bak-madder'
  • Crinum × powellii 'Album'
  • Crinum × powellii 'Harlemense'
  • Crinum × powellii 'Krelagei'
  • Crocosmia aurea 'Golden Ballerina' (PBR)
  • Crocosmia masoniorum 'Rowallane Yellow'
  • Crocosmia paniculata 'Cally Greyleaf'
  • Crocosmia pottsii 'Culzean Pink'
  • Crocosmia × crocosmiiflora (Lemoine) N.E. Br. 'Citronella' J.E. Fitt
  • Crocosmia × crocosmiiflora 'Carmin Brillant'
  • Crocosmia × crocosmiiflora 'Comet'
  • Crocosmia × crocosmiiflora 'Goldfinch'
  • Crocosmia × crocosmiiflora 'Saracen'
  • Crocosmia × crocosmiiflora 'Star of the East'
  • Crocosmia × crocosmiiflora 'Twilight Fairy Gold'
  • Crocosmia × crocosmiiflora 'Zeal Tan'
  • Crocosmia Jenny Bloom = 'Blacro' (PBR)
  • Crocosmia 'Abundant Joy'
  • Crocosmia 'Bressingham Blaze'
  • Crocosmia 'Ellenbank Firecrest'
  • Crocosmia 'Emberglow'
  • Crocosmia 'Hellfire'
  • Crocosmia 'Lady Jane'
  • Crocosmia 'Limpopo'
  • Crocosmia 'Lucifer'
  • Crocosmia 'Ministar'
  • Crocosmia 'Paul's Best Yellow'
  • Crocosmia 'Prince of Orange'
  • Crocosmia 'Scarlatti'
  • Crocosmia 'Walberton Red'
  • Cryptotaenia japonica f. atropurpurea
  • Cyclamen coum
  • Cyclamen hederifolium
  • Cyclamen hederifolium var. hederifolium f. albiflorum
  • Cydonia oblonga 'Champion' (F)
  • Cydonia oblonga 'Meech's Prolific' (F)
  • Cydonia oblonga 'Serbian Gold' (F)
  • Cydonia oblonga 'Vranja' Nenadovic (F)
  • Cynanchum ascyrifolium
  • Cynodon aethiopicus
  • Cynoglossum nervosum
  • Cyrtomium fortunei var. clivicola
  • Cyrtomium macrophyllum
  • Cyrtomium tukusicola
  • Dahlia australis
  • Dahlia cuspidata
  • Dahlia dissecta
  • Dahlia rudis
  • Dahlia 'Advance US' (D)
  • Dahlia 'Arabian Night' (D)
  • Dahlia 'Bantling' (Pom)
  • Dahlia 'Bishop of Llandaff' (P)
  • Dahlia 'Cornish Ruby' (Sin)
  • Dahlia 'Dazzling Magic' (D)
  • Dahlia 'Edinburgh' (D)
  • Dahlia 'Honka Surprise' (SinO)
  • Dahlia 'Karma Choc' (PBR) (D)
  • Dahlia 'Kordessa' (D)
  • Dahlia 'Mexican Black' (Misc)
  • Dahlia 'Nonette' (WL)
  • Dahlia 'Pooh - Swan Island' (Col)
  • Dahlia 'Roxy' (Sin/DwB)
  • Dahlia 'Salmon Runner' (D)
  • Dahlia 'Twyning's Smartie' (Sin)
  • Dahlia 'Wittem' (D)
  • Dahlia 'York and Lancaster' (D)
  • Dalea candida
  • Dalea purpurea
  • Danae racemosa
  • Daphne bholua 'Darjeeling'
  • Daphne bholua 'Garden House Ghost'
  • Daphne bholua 'Jacqueline Postill'
  • Daphne bholua 'Limpsfield'
  • Daphne bholua 'Peter Smithers'
  • Daphne laureola
  • Daphne laureola subsp. philippi
  • Daphne longilobata
  • Daphne odora Marianni = 'Rogbret' (v)
  • Daphne odora Rebecca = 'Hewreb' (v)
  • Daphne odora 'Aureomarginata' (v)
  • Daphne × transatlantica Eternal Fragrance = 'Blafra' (PBR)
  • Daphne × transatlantica Pink Fragrance = 'Blapink' (PBR)
  • Daphne Perfume Princess = 'Dapjur01'
  • Daphniphyllum macropodum
  • Darmera peltata
  • Darmera peltata 'Nana'
  • Dasylirion miquihuanense
  • Davidia involucrata
  • Decumaria sinensis
  • Deinanthe bifida
  • Delphinium cashmerianum
  • Delphinium elatum 'Blushing Brides' (New Millennium Series)
  • Delphinium elatum 'Sweethearts' (New Millennium Series)
  • Delphinium grandiflorum
  • Delphinium hotulae
  • Delphinium 'Cha Cha'
  • Delphinium 'Lord Butler'
  • Deschampsia cespitosa 'Bronzeschleier'
  • Deschampsia cespitosa 'Goldschleier'
  • Deschampsia cespitosa 'Schottland'
  • Deschampsia cespitosa 'Tardiflora'
  • Deschampsia cespitosa 'Waldschatt'
  • Desfontainia spinosa
  • Desmodium elegans
  • Desmodium elegans dark-flowered
  • Deutzia compacta 'Lavender Time'
  • Deutzia gracilis 'Nikko'
  • Deutzia multiradiata
  • Deutzia ningpoensis
  • Deutzia pulchra
  • Deutzia setchuenensis var. corymbiflora
  • Deutzia taiwanensis
  • Deutzia × elegantissima 'Rosealind'
  • Deutzia × hybrida 'Magicien' Lemoine
  • Deutzia × hybrida 'Strawberry Fields'
  • Dianella caerulea
  • Dianella caerulea Little Jess = 'Dcmp01' (PBR)
  • Dianella revoluta Little Rev = 'Dr5000' (PBR)
  • Dianella revoluta 'Blue Stream'
  • Dianella 'Streetscape'
  • Dianthus barbatus 'Monksilver Black' (p,a)
  • Dianthus cruentus
  • Dianthus Memories = 'WP11 Gwe04' (PBR) (Scent First Series) (p)
  • Dianthus Passion = 'Wp Passion' (PBR) (Scent First Series) (p)
  • Dianthus Sugar Plum = 'Wp08 Ian04' (PBR) (Scent First Series) (p)
  • Dianthus Tickled Pink = 'Devon Pp 11' (PBR) (Scent First Series) (p)
  • Dianthus 'Devon Yolande' (PBR) (Scent First Series) (p)
  • Dianthus 'Hereford Butter Market' (p)
  • Diascia barberae 'Blackthorn Apricot'
  • Diascia barberae 'Ruby Field'
  • Diascia fetcaniensis
  • Diascia personata
  • Diascia vigilis
  • Dicentra canadensis
  • Dicentra cucullaria
  • Dicentra cucullaria 'Pink Punk'
  • Dicentra cucullaria 'Pittsburg'
  • Dicentra formosa 'Bacchanal'
  • Dicentra 'Candy Hearts' (PBR)
  • Dicentra 'Ivory Hearts' (PBR)
  • Dicentra 'King of Hearts'
  • Dicentra 'Luxuriant'
  • Dichroa febrifuga
  • Dictamnus albus
  • Dictamnus albus var. purpureus
  • Dierama ambiguum
  • Dierama argyreum
  • Dierama atrum
  • Dierama cooperi
  • Dierama dracomontanum
  • Dierama formosum
  • Dierama igneum
  • Dierama insigne
  • Dierama pauciflorum
  • Dierama pulcherrimum
  • Dierama pulcherrimum 'Merlin'
  • Dierama robustum
  • Dierama Blue Belle = 'Rowblu' (PBR)
  • Dierama 'Blackberry Bells'
  • Dierama 'Candy Stripe'
  • Dierama 'Cinnamon Fairy'
  • Dierama 'Guinevere'
  • Dierama 'Lancelot'
  • Dierama 'Miranda'
  • Dierama 'Spring Dancer'
  • Diervilla sessilifolia
  • Diervilla sessilifolia Cool Splash = 'Lpdc Podaras' (PBR) (v)
  • Diervilla × splendens
  • Dietes bicolor
  • Digitalis ferruginea
  • Digitalis grandiflora 'Carillon'
  • Digitalis laevigata
  • Digitalis lutea
  • Digitalis purpurea 'Apricot Delight'
  • Digitalis purpurea 'Cream Carousel' (Carousel Series)
  • Digitalis purpurea f. albiflora
  • Digitalis purpurea 'Pam's Choice'
  • Digitalis × mertonensis
  • Digitalis × valinii Illumination Pink = 'Tmdgfp001' (PBR) (Illumination Series)
  • Digitalis × valinii Illumination Ruby Slippers = 'Tmdg1204' (PBR) (Illumination Series)
  • Digitalis × valinii 'Harkstead Red' (Illumination Series)
  • Digitalis 'Glory of Roundway'
  • Digitalis 'Spice Island'
  • Diospyros virginiana (F)
  • Dipelta yunnanensis
  • Diplarrena moraea
  • Disporopsis pernyi
  • Disporopsis pernyi 'Bill Baker'
  • Disporopsis taiwanensis
  • Disporopsis undulata
  • Disporum cantoniense 'Moonlight' (PBR) (v)
  • Disporum leucanthum
  • Disporum longistylum
  • Disporum longistylum 'Green Giant'
  • Disporum lutescens
  • Disporum megalanthum
  • Disporum sessile
  • Disporum sessile 'Variegatum' (v)
  • Disporum viridescens
  • Distylium racemosum
  • Dodecatheon jeffreyi subsp. pygmaeum
  • Dodecatheon meadia
  • Dodecatheon pulchellum
  • Dodecatheon pulchellum subsp. pulchellum 'Red Wings'
  • Dodonaea viscosa 'Purpurea'
  • Doodia media
  • Doronicum pardalianches 'Goldstrauss'
  • Doronicum × excelsum 'Harpur Crewe'
  • Dracocephalum ruyschiana
  • Dracunculus canariensis
  • Dracunculus vulgaris
  • Dregea sinensis
  • Drimys winteri
  • Dryopteris affinis (Polydactyla Group) 'Polydactyla Dadds'
  • Dryopteris affinis 'Angustata Crispa'
  • Dryopteris affinis 'Cristata'
  • Dryopteris affinis 'Pinderi'
  • Dryopteris buschiana
  • Dryopteris carthusiana
  • Dryopteris celsa
  • Dryopteris championii
  • Dryopteris clintoniana
  • Dryopteris crassirhizoma
  • Dryopteris cristata
  • Dryopteris cycadina
  • Dryopteris dilatata 'Crispa Whiteside'
  • Dryopteris dilatata 'Jimmy Dyce'
  • Dryopteris dilatata 'Lepidota Crispa Cristata'
  • Dryopteris erythrosora
  • Dryopteris erythrosora 'Brilliance'
  • Dryopteris filix-mas (Cristata Group) 'Cristata Martindale'
  • Dryopteris filix-mas 'Crispa Cristata'
  • Dryopteris filix-mas 'Crispatissima'
  • Dryopteris filix-mas 'Cristata'
  • Dryopteris filix-mas 'Furcans'
  • Dryopteris filix-mas 'Parsley'
  • Dryopteris lepidopoda
  • Dryopteris ludoviciana
  • Dryopteris wallichiana
  • Dystaenia takesimana
  • Echeveria × gilva 'Red'
  • Echeveria 'Curly Locks'
  • Echinacea pallida
  • Echinacea purpurea
  • Echinacea purpurea PowWow Wild Berry = 'Pas702917' (PBR) (PowWow Series)
  • Echinacea purpurea 'Amber Mist' (PBR) (Mistical Series)
  • Echinacea purpurea 'Augustkönigin'
  • Echinacea purpurea 'Baby Swan White'
  • Echinacea purpurea 'Green Eyes'
  • Echinacea purpurea 'Green Jewel' (PBR)
  • Echinacea purpurea 'Happy Star'
  • Echinacea purpurea 'Jade'
  • Echinacea purpurea 'Magnus'
  • Echinacea purpurea 'Magnus Superior'
  • Echinacea purpurea 'Milkshake' (PBR) (d)
  • Echinacea purpurea 'Razzmatazz' (PBR) (d)
  • Echinacea purpurea 'Rubinstern'
  • Echinacea simulata
  • Echinacea Evening Glow = 'Eglow' (PBR)
  • Echinacea 'Amazing Dream' (PBR)
  • Echinacea 'Caribbean Green'
  • Echinacea 'Cleopatra' (PBR) (Butterfly Series)
  • Echinacea 'Daydream' (PBR)
  • Echinacea 'Green Envy' (PBR)
  • Echinacea 'Greenline' (PBR)
  • Echinacea 'Harvest Moon' (PBR) (Big Sky Series)
  • Echinacea 'Hot Lava' (PBR)
  • Echinacea 'Hot Summer' (PBR)
  • Echinacea 'Indian Summer'
  • Echinacea 'Irresistible' (PBR) (d)
  • Echinacea 'Mac 'n' Cheese' (PBR)
  • Echinacea 'Marmalade' (PBR) (Cone-fections Series) (d)
  • Echinacea 'Mozzarella' (d)
  • Echinacea 'Solar Flare' (PBR) (Big Sky Series)
  • Echinacea 'Sundown' (PBR) (Big Sky Series)
  • Echinacea 'Sunrise' (PBR) (Big Sky Series)
  • Echinacea 'Tangerine Dream' (PBR)
  • Echinacea 'Tomato Soup' (PBR)
  • Echinops bannaticus 'Star Frost'
  • Echinops bannaticus 'Taplow Blue'
  • Echinops ritro 'Blue Cloud'
  • Echinops ritro L.
  • Echinops ritro subsp. ruthenicus 'Platinum Blue'
  • Echinops sphaerocephalus 'Arctic Glow'
  • Echinops tjanschanicus
  • Edgeworthia chrysantha
  • Elaeagnus macrophylla
  • Elaeagnus pungens 'Frederici' (v)
  • Elaeagnus pungens 'Hosoba-fukurin' (v)
  • Elaeagnus pungens 'Maculata' (v)
  • Elaeagnus umbellata
  • Elaeagnus × submacrophylla 'Coastal Gold' (v)
  • Elaeagnus × submacrophylla 'Compacta'
  • Elaeagnus × submacrophylla 'Gilt Edge' (v)
  • Elaeagnus × submacrophylla 'Limelight' (v)
  • Elaeagnus 'Quicksilver'
  • Eleutherococcus sieboldianus 'Variegatus' (v)
  • Elsholtzia stauntonii
  • Elymus magellanicus
  • Enkianthus perulatus
  • Eomecon chionantha
  • Epilobium canum 'Dublin' (Z)
  • Epimedium alpinum
  • Epimedium campanulatum
  • Epimedium chlorandrum
  • Epimedium davidii
  • Epimedium diphyllum
  • Epimedium ecalcaratum
  • Epimedium epsteinii
  • Epimedium fargesii
  • Epimedium fargesii 'Pink Constellation'
  • Epimedium flavum
  • Epimedium grandiflorum 'Cranberry Sparkle'
  • Epimedium grandiflorum 'Elfenkönigin'
  • Epimedium grandiflorum f. violaceum
  • Epimedium grandiflorum 'French Braid'
  • Epimedium grandiflorum 'Freya'
  • Epimedium grandiflorum 'Koji'
  • Epimedium grandiflorum 'Nanum'
  • Epimedium grandiflorum 'Purple Prince'
  • Epimedium grandiflorum 'Queen Esta'
  • Epimedium grandiflorum 'Red Beauty'
  • Epimedium grandiflorum 'Rose Queen'
  • Epimedium grandiflorum 'White Queen'
  • Epimedium grandiflorum 'Yellow Princess'
  • Epimedium latisepalum
  • Epimedium leptorrhizum
  • Epimedium membranaceum
  • Epimedium myrianthum
  • Epimedium ogisui
  • Epimedium pauciflorum
  • Epimedium perralderianum
  • Epimedium pinnatum
  • Epimedium pinnatum subsp. colchicum 'Thunderbolt'
  • Epimedium platypetalum
  • Epimedium pubescens
  • Epimedium pubigerum
  • Epimedium sempervirens 'Okuda's White'
  • Epimedium stellulatum 'Wudang Star'
  • Epimedium wushanense
  • Epimedium zhushanense
  • Epimedium × perralchicum 'Fröhnleiten'
  • Epimedium × perralchicum 'Lichtenberg'
  • Epimedium × rubrum
  • Epimedium × versicolor 'Neosulphureum'
  • Epimedium × warleyense
  • Epimedium × warleyense 'Orangekönigin'
  • Epimedium × youngianum 'Fairy Dust'
  • Epimedium × youngianum 'Grape Fizz'
  • Epimedium × youngianum 'Marchacos Sprite'
  • Epimedium × youngianum 'Merlin'
  • Epimedium × youngianum 'Niveum'
  • Epimedium × youngianum 'Ruby Tuesday'
  • Epimedium Alabaster = 'Conalba'
  • Epimedium 'Akebono'
  • Epimedium 'Amber Queen' (PBR)
  • Epimedium 'Arctic Wings' (PBR)
  • Epimedium 'Beni-kujaku'
  • Epimedium 'Black Sea'
  • Epimedium 'Buckland Buzz'
  • Epimedium 'Buckland Spider'
  • Epimedium 'Buttered Popcorn'
  • Epimedium creeping yellow
  • Epimedium 'Darrell's Pink'
  • Epimedium 'Egret'
  • Epimedium 'Flowers of Sulphur' (PBR)
  • Epimedium 'Golden Eagle'
  • Epimedium 'Jenny Pym'
  • Epimedium 'Lemon Zest'
  • Epimedium 'Little Shrimp'
  • Epimedium 'Myojo'
  • Epimedium 'Pink Elf' (PBR)
  • Epimedium 'Shiho'
  • Epimedium 'Spine Tingler'
  • Epimedium 'Spinners'
  • Epimedium 'Starcloud'
  • Epimedium 'Totnes Turbo'
  • Epimedium 'Windfire'
  • Epipactis gigantea
  • Equisetum hyemale var. affine
  • Equisetum variegatum
  • Eragrostis elliottii 'Wind Dancer'
  • Eragrostis spectabilis
  • Erigeron glaucus 'Sea Breeze'
  • Erigeron karvinskianus
  • Erigeron 'Dignity'
  • Erigeron 'Foersters Liebling'
  • Erigeron 'Rosa Triumph'
  • Erigeron 'Rotes Meer'
  • Erigeron 'Schneewittchen'
  • Erigeron 'Sommerneuschnee'
  • Erodium glandulosum
  • Erodium manescavii
  • Erodium pelargoniiflorum
  • Erodium 'Spanish Eyes'
  • Eryngium agavifolium
  • Eryngium alpinum 'Blue Star'
  • Eryngium bourgatii
  • Eryngium bourgatii Picos Amethyst = 'Mackpam' (PBR)
  • Eryngium bourgatii 'Picos Blue' (PBR)
  • Eryngium giganteum
  • Eryngium pandanifolium
  • Eryngium planum
  • Eryngium planum 'Blaukappe'
  • Eryngium planum 'Blue Glitter'
  • Eryngium planum 'Blue Hobbit'
  • Eryngium planum 'Jade Frost' (PBR) (v)
  • Eryngium planum 'White Glitter'
  • Eryngium tricuspidatum
  • Eryngium variifolium
  • Eryngium yuccifolium
  • Eryngium yuccifolium 'Kershaw Blue'
  • Eryngium × tripartitum
  • Eryngium × zabelii 'Big Blue'
  • Eryngium × zabelii 'Jos Eijking'
  • Eryngium × zabelii 'Neptune's Gold' (PBR)
  • Eryngium × zabelii 'Violetta'
  • Eryngium 'Blue Jackpot'
  • Erysimum 'Bowles's Mauve'
  • Erythronium californicum
  • Erythronium californicum 'White Beauty'
  • Erythronium dens-canis 'Lilac Wonder'
  • Erythronium dens-canis 'Pink Perfection'
  • Erythronium dens-canis 'Purple King'
  • Erythronium grandiflorum
  • Erythronium oregonum
  • Erythronium 'Kinfauns Pink'
  • Erythronium 'Pagoda'
  • Escallonia laevis Pink Elle = 'Lades' (PBR)
  • Escallonia 'Iveyi'
  • Escallonia 'Peach Blossom'
  • Eucalyptus aggregata
  • Eucalyptus coccifera
  • Eucalyptus cordata
  • Eucalyptus crenulata
  • Eucalyptus gregsoniana
  • Eucalyptus gunnii
  • Eucalyptus nicholii
  • Eucalyptus pauciflora
  • Eucomis bicolor
  • Eucomis comosa
  • Eucomis comosa 'Sparkling Burgundy'
  • Eucomis comosa var. striata
  • Eucomis montana
  • Eucomis vandermerwei
  • Eucryphia lucida 'Ballerina'
  • Eucryphia × hillieri 'Winton'
  • Eucryphia × nymansensis 'Nymansay'
  • Euonymus alatus
  • Euonymus alatus 'Compactus'
  • Euonymus carnosus 'Red Wine'
  • Euonymus cornutus var. quinquecornutus
  • Euonymus europaeus 'Red Cascade'
  • Euonymus fortunei Golden Harlequin = 'Hoogi' (PBR) (v)
  • Euonymus fortunei 'Dart's Blanket'
  • Euonymus fortunei 'Emerald Gaiety' (v)
  • Euonymus fortunei 'Emerald 'n' Gold' (v)
  • Euonymus fortunei 'Heins Silver' (PBR)
  • Euonymus fortunei 'Hort's Blaze'
  • Euonymus fortunei 'Silver Queen' (v)
  • Euonymus fortunei 'Sunspot' (v)
  • Euonymus fortunei 'Wolong Ghost'
  • Euonymus japonicus 'Chollipo' (v)
  • Euonymus japonicus 'Duc d'Anjou' Carrière (v)
  • Euonymus japonicus 'Francien' (v)
  • Euonymus japonicus 'Golden Maiden' (v)
  • Euonymus japonicus 'Green Rocket'
  • Euonymus japonicus 'Président Gauthier' (v)
  • Euonymus phellomanus
  • Euonymus planipes
  • Eupatorium cannabinum
  • Eupatorium capillifolium
  • Eupatorium capillifolium 'Elegant Plume'
  • Eupatorium dubium 'Baby Joe' (PBR)
  • Eupatorium fistulosum
  • Eupatorium fistulosum f. albidum 'Bartered Bride'
  • Eupatorium fistulosum f. albidum 'Ivory Towers'
  • Eupatorium fortunei 'Pink Elegance' (v)
  • Eupatorium maculatum (Atropurpureum Group) 'Ankum's August'
  • Eupatorium maculatum (Atropurpureum Group) 'Gateway'
  • Eupatorium maculatum (Atropurpureum Group) 'Phantom' (PBR)
  • Eupatorium maculatum (Atropurpureum Group) 'Purple Bush'
  • Eupatorium maculatum (Atropurpureum Group) 'Riesenschirm'
  • Euphorbia amygdaloides 'Purpurea'
  • Euphorbia amygdaloides var. robbiae
  • Euphorbia characias Silver Swan = 'Wilcott' (PBR) (v)
  • Euphorbia characias 'Forescate'
  • Euphorbia characias 'Glacier Blue' (PBR) (v)
  • Euphorbia characias subsp. characias 'Humpty Dumpty'
  • Euphorbia characias subsp. wulfenii
  • Euphorbia characias subsp. wulfenii 'Shorty'
  • Euphorbia characias subsp. wulfenii 'Silver Shadow' (v)
  • Euphorbia cornigera
  • Euphorbia cyparissias 'Tall Boy'
  • Euphorbia epithymoides 'Major'
  • Euphorbia griffithii 'Dixter'
  • Euphorbia griffithii 'Fireglow'
  • Euphorbia margalidiana
  • Euphorbia mellifera
  • Euphorbia nicaeensis
  • Euphorbia palustris 'Walenburg's Glorie'
  • Euphorbia schillingii
  • Euphorbia stygiana subsp. stygiana
  • Euphorbia × gayeri 'Betten'
  • Euphorbia × martini Tiny Tim = 'Waleutiny'
  • Euphorbia × pasteurii 'John Phillips'
  • Euphorbia 'Copton Ash'
  • Euptelea polyandra
  • Eurybia radula 'August Sky'
  • Exochorda giraldii var. wilsonii
  • Exochorda serratifolia
  • Exochorda × macrantha 'Niagara' (PBR)
  • Exochorda × macrantha 'The Bride'
  • Fagopyrum dibotrys
  • Fagus sylvatica
  • Fagus sylvatica (Atropurpurea Group) 'Purpurea Pendula'
  • Fagus sylvatica 'Black Swan'
  • Fagus sylvatica 'Purpurea Tricolor' (v)
  • Fallopia baldschuanica
  • Farfugium 'Last Dance' (PBR)
  • Fascicularia bicolor
  • Fatsia japonica
  • Fatsia japonica 'Tsumugi-shibori' (v)
  • Felicia petiolata
  • Ferula communis subsp. glauca
  • Festuca glauca Intense Blue = 'Casblue' (PBR)
  • Ficaria verna 'Brambling'
  • Ficaria verna 'Brazen Hussy'
  • Ficaria verna 'Collarette' (d)
  • Ficaria verna subsp. chrysocephala
  • Ficus afghanistanica 'Silver Lyre'
  • Ficus carica 'Brown Turkey' (F)
  • Ficus carica 'Ice Crystal' (F)
  • Filipendula camtschatica
  • Filipendula kiraishiensis
  • Filipendula multijuga
  • Filipendula palmata 'Göteborg'
  • Filipendula palmata 'Rubra'
  • Filipendula purpurea
  • Filipendula purpurea 'Elegans'
  • Filipendula rubra 'Venusta'
  • Filipendula ulmaria 'Aurea'
  • Filipendula ulmaria 'Variegata' (v)
  • Firmiana simplex
  • Forsythia × intermedia 'Goldrausch'
  • Forsythia × intermedia 'Nimbus' (PBR)
  • Fothergilla gardenii 'Blue Mist'
  • Fothergilla major
  • Fragaria × ananassa Pink Panda = 'Frel' (F)
  • Fragaria × ananassa 'Samba' (PBR) (F)
  • Fragaria 'Lipstick'
  • Francoa ramosa
  • Francoa sonchifolia 'Alba'
  • Francoa sonchifolia 'Culm View Lilac'
  • Francoa sonchifolia 'Pink Bouquet'
  • Fremontodendron californicum
  • Freylinia lanceolata
  • Fuchsia campos-portoi
  • Fuchsia hatschbachii
  • Fuchsia magellanica 'Lady Bacon'
  • Fuchsia magellanica 'Logan Woods'
  • Fuchsia magellanica var. gracilis 'Versicolor' (v)
  • Fuchsia magellanica var. molinae
  • Fuchsia magellanica var. molinae 'Sharpitor' (v)
  • Fuchsia microphylla (E)
  • Fuchsia 'Alice Hoffman' (d)
  • Fuchsia 'Genii'
  • Fuchsia 'Lady Boothby'
  • Fuchsia 'Lady Thumb' (d)
  • Fuchsia 'Whiteknights Blush'
  • Gaillardia × grandiflora 'Dazzler'
  • Gaillardia × grandiflora 'Kobold'
  • Gaillardia × grandiflora 'Tokajer'
  • Galanthus elwesii 'Sir Edward Elgar'
  • Galanthus elwesii var. monostictus 'H. Purcell'
  • Galanthus 'Magnet'
  • Galanthus 'S. Arnott'
  • Galatella linosyris
  • Galatella sedifolia 'Nana'
  • Galega officinalis
  • Galega orientalis
  • Galega 'His Majesty'
  • Galium odoratum
  • Galium verum
  • Galtonia candicans
  • Gardenia jasminoides 'Kleim's Hardy'
  • Garrya elliptica
  • Garrya elliptica 'James Roof' (m)
  • Garrya × thuretii
  • Gelsemium sempervirens
  • Genista 'Porlock'
  • Gentiana asclepiadea
  • Gentiana asclepiadea 'Alba'
  • Gentiana asclepiadea 'Knightshayes'
  • Gentiana asclepiadea 'Nana'
  • Gentiana asclepiadea 'Phyllis'
  • Gentiana asclepiadea 'Whitethroat'
  • Gentiana dahurica
  • Gentiana lutea
  • Gentiana robusta
  • Gentiana straminea
  • Gentiana 'Sapphire Blue'
  • Geranium albiflorum
  • Geranium aristatum
  • Geranium clarkei 'Kashmir White'
  • Geranium clarkei 'Mount Stewart'
  • Geranium dalmaticum
  • Geranium dalmaticum 'Album'
  • Geranium erianthum 'Blues in the Night'
  • Geranium erianthum 'Pale Blue Yonder'
  • Geranium gracile
  • Geranium gymnocaulon
  • Geranium gymnocaulon × platypetalum
  • Geranium himalayense 'Baby Blue'
  • Geranium himalayense 'Derrick Cook'
  • Geranium himalayense 'Gravetye'
  • Geranium himalayense 'Irish Blue'
  • Geranium himalayense 'Pale Irish Blue'
  • Geranium ibericum 'Black and Blue'
  • Geranium incanum
  • Geranium koraiense
  • Geranium macrorrhizum 'Czakor'
  • Geranium macrorrhizum 'Ingwersen's Variety'
  • Geranium macrorrhizum 'Pindus'
  • Geranium macrorrhizum 'Prionia'
  • Geranium macrorrhizum 'Spessart'
  • Geranium maculatum 'Beth Chatto'
  • Geranium maculatum 'Elizabeth Ann' (PBR)
  • Geranium maculatum f. albiflorum
  • Geranium maculatum 'Putnam County'
  • Geranium maculatum 'Shameface'
  • Geranium maculatum 'Silver Buttons'
  • Geranium maculatum 'Spring Purple'
  • Geranium maculatum 'Vickie Lynn'
  • Geranium magniflorum
  • Geranium nodosum 'Clos de Coudray'
  • Geranium nodosum 'Darkleaf'
  • Geranium nodosum 'Hexham Big Eye'
  • Geranium nodosum 'Hexham Face Paint'
  • Geranium nodosum 'Hexham Freckles'
  • Geranium nodosum 'Hexham Whitethroat'
  • Geranium nodosum 'Silverwood'
  • Geranium nodosum 'Tony's Talisman'
  • Geranium nodosum 'Wreighburn House White'
  • Geranium oreganum
  • Geranium orientalitibeticum
  • Geranium palustre
  • Geranium phaeum 'Album'
  • Geranium phaeum 'Alec's Pink'
  • Geranium phaeum 'Angelina'
  • Geranium phaeum 'Ann Logan'
  • Geranium phaeum 'Basket of Lavender'
  • Geranium phaeum 'Brown Sugar'
  • Geranium phaeum 'Chocolate Biscuit'
  • Geranium phaeum 'Dark Angel'
  • Geranium phaeum 'Dark Dream'
  • Geranium phaeum 'Garage Door'
  • Geranium phaeum 'Green Ghost'
  • Geranium phaeum 'Hector's Lavender'
  • Geranium phaeum 'Hexham Halo'
  • Geranium phaeum 'Jenson's Purple'
  • Geranium phaeum 'Joseph Green' (d)
  • Geranium phaeum 'Judith's Blue'
  • Geranium phaeum 'Lady in Mourning'
  • Geranium phaeum 'Lily Lovell'
  • Geranium phaeum 'Mierhausen'
  • Geranium phaeum 'Night Time'
  • Geranium phaeum 'Nightshade'
  • Geranium phaeum 'Our Pat'
  • Geranium phaeum 'Phantom of the Opera' (v)
  • Geranium phaeum 'Ploeger de Bilt'
  • Geranium phaeum 'Rachel's Rhapsody'
  • Geranium phaeum 'Rise Top Lilac'
  • Geranium phaeum 'Robin's Angel Eyes'
  • Geranium phaeum 'Rothbury Ruby'
  • Geranium phaeum 'Springtime' (PBR)
  • Geranium phaeum 'Stillingfleet Ghost'
  • Geranium phaeum 'Tyne Mist'
  • Geranium phaeum var. hungaricum
  • Geranium phaeum var. lividum 'Joan Baker'
  • Geranium phaeum var. lividum 'Majus'
  • Geranium phaeum var. phaeum 'Langthorns Blue'
  • Geranium phaeum var. phaeum 'Samobor'
  • Geranium phaeum 'Variegatum' (v)
  • Geranium platyanthum 'Ankum'
  • Geranium platypetalum 'Dark Side of the Moon'
  • Geranium platypetalum 'Genyell'
  • Geranium platypetalum 'Turco'
  • Geranium pratense (Victor Reiter Group) Black Beauty = 'Nodbeauty' (PBR)
  • Geranium pratense (Victor Reiter Group) 'Midnight Clouds'
  • Geranium pratense (Victor Reiter Group) 'Midnight Reiter'
  • Geranium pratense 'Blue Sky Thinking'
  • Geranium pratense 'Cluden Sapphire'
  • Geranium pratense 'Else Lacey' (d)
  • Geranium pratense 'Hexham Spook'
  • Geranium pratense 'Marshmallow'
  • Geranium pratense 'Mrs Kendall Clark'
  • Geranium pratense 'Robin's Grey Beard'
  • Geranium pratense 'Striatum'
  • Geranium pratense var. pratense f. albiflorum 'Laura' (PBR) (d)
  • Geranium pratense var. pratense f. albiflorum 'Plenum Album' (d)
  • Geranium pratense var. pratense f. albiflorum 'Silver Queen'
  • Geranium psilostemon
  • Geranium psilostemon 'Catherine Deneuve' (PBR)
  • Geranium psilostemon 'Coton Goliath'
  • Geranium psilostemon 'Rosefinch'
  • Geranium renardii
  • Geranium renardii 'Zetterlund'
  • Geranium richardsonii
  • Geranium sanguineum
  • Geranium sanguineum Alan Bloom = 'Bloger'
  • Geranium sanguineum 'Album'
  • Geranium sanguineum 'Alpenglow'
  • Geranium sanguineum 'Elsbeth'
  • Geranium sanguineum 'Feu d'Automne'
  • Geranium sanguineum 'Inverness'
  • Geranium sanguineum 'John Elsley'
  • Geranium sanguineum 'New Hampshire Purple'
  • Geranium sanguineum 'Nyewood'
  • Geranium sanguineum 'Pink Pouffe'
  • Geranium sanguineum 'Pink Summer'
  • Geranium sanguineum 'Red Robin'
  • Geranium sanguineum 'Rod Leeds'
  • Geranium sanguineum 'Vision Violet' (Vision Series)
  • Geranium shikokianum var. quelpaertense
  • Geranium soboliferum Cally strain
  • Geranium subcaulescens
  • Geranium sylvaticum 'Amanda'
  • Geranium sylvaticum 'Amy Doncaster'
  • Geranium sylvaticum 'Birch Lilac'
  • Geranium sylvaticum 'Coquetdale Lilac'
  • Geranium sylvaticum f. albiflorum 'Cyril's Superb White'
  • Geranium sylvaticum 'Greek Fire'
  • Geranium sylvaticum 'Jonah P'
  • Geranium sylvaticum 'Lilac Eyes'
  • Geranium sylvaticum 'Master Charles Wilson'
  • Geranium sylvaticum 'Master Niall Lawson'
  • Geranium sylvaticum 'Mayflower'
  • Geranium sylvaticum 'Miss Connie Wilson'
  • Geranium versicolor
  • Geranium wallichianum
  • Geranium wallichianum Havana Blues = 'Noorthava' (PBR)
  • Geranium wallichianum 'Buxton's Variety'
  • Geranium wallichianum 'Crystal Lake' (PBR)
  • Geranium wallichianum 'Rise and Shine' (PBR)
  • Geranium wallichianum 'Sylvia's Surprise' (PBR)
  • Geranium wlassovianum
  • Geranium × cantabrigiense
  • Geranium × cantabrigiense Crystal Rose = 'Abpp'
  • Geranium × cantabrigiense 'Berggarten'
  • Geranium × cantabrigiense 'Biokovo'
  • Geranium × cantabrigiense 'Cambridge'
  • Geranium × cantabrigiense 'Hanne'
  • Geranium × cantabrigiense 'Hilary Rendall'
  • Geranium × cantabrigiense 'Karmina'
  • Geranium × cantabrigiense 'St Ola'
  • Geranium × cantabrigiense 'Vorjura'
  • Geranium × johnsonii 'Johnson's Blue'
  • Geranium × magnificum 'Blue Blood'
  • Geranium × monacense
  • Geranium × monacense 'Anne Stevens'
  • Geranium × monacense 'Emma White'
  • Geranium × monacense 'Jackie'
  • Geranium × monacense 'Spotted in the Pass'
  • Geranium × monacense var. monacense 'Breckland Fever'
  • Geranium × oxonianum 'A.T. Johnson'
  • Geranium × oxonianum 'Ankum's White'
  • Geranium × oxonianum 'Breckland Sunset'
  • Geranium × oxonianum 'Chocolate Strawberry'
  • Geranium × oxonianum f. thurstonianum 'Breckland Brownie'
  • Geranium × oxonianum f. thurstonianum 'David McClintock'
  • Geranium × oxonianum f. thurstonianum 'Robin's Ginger Nut'
  • Geranium × oxonianum f. thurstonianum 'Southcombe Star'
  • Geranium × oxonianum f. thurstonianum 'White Stripes'
  • Geranium × oxonianum 'Frilly Gilly'
  • Geranium × oxonianum 'Hexham Pink'
  • Geranium × oxonianum 'Hexham White'
  • Geranium × oxonianum 'Iced Green Tea'
  • Geranium × oxonianum 'Julie Brennan'
  • Geranium × oxonianum 'Laura Skelton'
  • Geranium × oxonianum 'Maurice Moka'
  • Geranium × oxonianum 'Music from Big Pink'
  • Geranium × oxonianum 'Phantom'
  • Geranium × oxonianum 'Phoebe Noble'
  • Geranium × oxonianum 'Raspberry Ice'
  • Geranium × oxonianum 'Red Sceptre'
  • Geranium × oxonianum 'Rosenlicht'
  • Geranium × oxonianum 'Rothbury Sarah'
  • Geranium × oxonianum 'Sandy'
  • Geranium × oxonianum 'Something Special'
  • Geranium × oxonianum 'Stillingfleet Keira'
  • Geranium × oxonianum 'Trevor's White'
  • Geranium × oxonianum 'Tyne Salmon'
  • Geranium × oxonianum 'Wageningen'
  • Geranium × oxonianum 'Waystrode'
  • Geranium × oxonianum 'Whiter Shade of Pale'
  • Geranium × riversleaianum 'Russell Prichard'
  • Geranium (Cinereum Group) 'Alice' (PBR)
  • Geranium (Cinereum Group) 'Thumbling Hearts'
  • Geranium Blue Sunrise = 'Blogold' (PBR)
  • Geranium Dragon Heart = 'Bremdra' (PBR)
  • Geranium Dreamland = 'Bremdream' (PBR)
  • Geranium Rozanne = 'Gerwat' (PBR)
  • Geranium Sabani Blue = 'Bremigo' (PBR)
  • Geranium Summer Skies = 'Gernic' (PBR) (d)
  • Geranium 'Alan's Blue'
  • Geranium 'Allendale Gem'
  • Geranium 'Ann Folkard'
  • Geranium 'Ant Chilly'
  • Geranium 'Azure Rush'
  • Geranium 'Azurro'
  • Geranium 'Brookside'
  • Geranium 'Chantilly'
  • Geranium 'Color Carousel'
  • Geranium 'Coombland White'
  • Geranium 'Curly Girly'
  • Geranium 'Danny Boy'
  • Geranium 'Deep Purple'
  • Geranium 'Devon Pride'
  • Geranium 'Dilys'
  • Geranium 'Distant Hills'
  • Geranium 'Diva'
  • Geranium 'Doctor Geert Lambrecht'
  • Geranium 'Elke'
  • Geranium 'Elworthy Tiger'
  • Geranium 'Harmony'
  • Geranium 'Ivan'
  • Geranium 'Joy'
  • Geranium 'Light Dilys'
  • Geranium 'Lilac Ice'
  • Geranium 'Little Gem'
  • Geranium 'Maître Hugo'
  • Geranium 'Mavis Simpson'
  • Geranium 'Maxwelton'
  • Geranium 'Melinda'
  • Geranium 'Midnight Star'
  • Geranium 'Mrs Jean Moss'
  • Geranium 'Natalie'
  • Geranium 'Nora Bremner'
  • Geranium 'Nunwood Purple'
  • Geranium 'Orion'
  • Geranium 'Orkney Flame'
  • Geranium 'Philippe Vapelle'
  • Geranium 'Prelude'
  • Geranium 'Purple Rain'
  • Geranium 'Richard Nutt'
  • Geranium 'Robin's Black Heart'
  • Geranium 'Rothbury Red'
  • Geranium 'Salome'
  • Geranium 'Simonside'
  • Geranium 'Sirak'
  • Geranium 'Solitaire'
  • Geranium 'Spinners'
  • Geranium 'Storm Chaser'
  • Geranium 'Sue Crûg'
  • Geranium 'Sweet Heidy' (PBR)
  • Geranium 'Tiny Monster'
  • Geum bulgaricum
  • Geum coccineum 'Eos'
  • Geum coccineum 'Koi'
  • Geum montanum
  • Geum rivale 'Album'
  • Geum rivale 'Marika'
  • Geum × tirolense
  • Geum 'Alabama Slammer' (Cocktails Series)
  • Geum 'Banana Daiquiri' (Cocktails Series)
  • Geum 'Birkhead's Creamy Lemon'
  • Geum 'Blazing Sunset' (d)
  • Geum 'Cosmopolitan' (Cocktails Series)
  • Geum 'Farmer John Cross'
  • Geum 'Fire Storm' (PBR)
  • Geum 'Flames of Passion' (PBR)
  • Geum 'Lady Stratheden' (d)
  • Geum 'Lemon Drops'
  • Geum 'Lisanne'
  • Geum 'Mai Tai' (PBR) (Cocktails Series)
  • Geum 'Moonlight Serenade'
  • Geum 'Mrs W. Moore'
  • Geum 'Primrose Cottage'
  • Geum 'Prinses Juliana'
  • Geum 'Rusty Young'
  • Geum 'Savanna Sunset'
  • Geum 'Tequila Sunrise' (Cocktails Series)
  • Geum 'Totally Tangerine' (PBR)
  • Gillenia trifoliata
  • Gillenia trifoliata 'Pink Profusion'
  • Ginkgo biloba
  • Ginkgo biloba 'Menhir' (PBR)
  • Ginkgo biloba Pendula Group
  • Ginkgo biloba 'Saratoga' (m)
  • Gladiolus communis subsp. byzantinus
  • Gladiolus flanaganii
  • Gladiolus italicus
  • Gladiolus saundersii
  • Gladiolus 'Carine' (N)
  • Glandularia 'Claret'
  • Glandularia 'Hammerstein Pink'
  • Glandularia 'Homestead Purple'
  • Gleditsia triacanthos f. inermis 'Sunburst'
  • Gleditsia triacanthos 'Rubylace'
  • Goniolimon tataricum
  • Grindelia integrifolia
  • Griselinia littoralis
  • Griselinia littoralis 'Bantry Bay' (v)
  • Griselinia littoralis 'Green Favor'
  • Griselinia littoralis 'Variegata' (v)
  • Griselinia ruscifolia
  • Gunnera magellanica
  • Gunnera magellanica 'Osorno'
  • Gunnera manicata
  • Gunnera perpensa
  • Gunnera prorepens
  • Gymnocarpium dryopteris 'Plumosum'
  • Gypsophila acutifolia
  • Gypsophila paniculata White Fire = 'Dangypwhifa'
  • Gypsophila paniculata 'Pacific Pink'
  • Gypsophila repens 'Rosea'
  • Gypsophila repens 'Silver Carpet' (v)
  • Gypsophila 'Rosenschleier' (d)
  • Gypsophila 'Rosenschleier Variegata' (v)
  • Hakea lissosperma
  • Hakonechloa macra SunFlare = 'Habsfl007'
  • Hakonechloa macra 'Albovariegata' (v)
  • Hakonechloa macra 'All Gold'
  • Hakonechloa macra 'Aureola'
  • Hakonechloa macra 'Beni-kaze'
  • Hakonechloa macra 'Fubuki' (v)
  • Hakonechloa macra 'Mediovariegata' (v)
  • Hakonechloa macra 'Naomi' (v)
  • Hakonechloa macra 'Nicolas'
  • Hakonechloa macra 'Stripe It Rich' (v)
  • Hakonechloa macra 'Sunny Delight' (v)
  • Halesia carolina
  • Halimium 'Susan'
  • Halleria lucida
  • Haloragis erecta 'Wellington Bronze'
  • Hamamelis × intermedia 'Arnold Promise'
  • Hamamelis × intermedia 'Diane'
  • Hamamelis × intermedia 'Orange Beauty'
  • Hamamelis × intermedia 'Orange Peel'
  • Hebe 'Joan Mac'
  • Hebe 'Margret'
  • Hebe 'Nicola's Blush'
  • Hebe 'Wiri Charm'
  • Hedera algeriensis 'Gloire de Marengo' (v)
  • Hedera colchica 'Sulphur Heart' (v)
  • Hedera helix 'Goldchild' (v)
  • Hedera helix 'Oro di Bogliasco' (v)
  • Hedychium densiflorum
  • Hedychium densiflorum 'Stephen'
  • Hedychium flavescens
  • Hedychium gardnerianum
  • Hedychium greenii
  • Hedychium spicatum 'Himalayan Lipstick'
  • Hedychium 'Gold Flame'
  • Heimia salicifolia
  • Helenium Mardi Gras = 'Helbro'
  • Helenium Pipsqueak = 'Blopip'
  • Helenium 'Dunkle Pracht'
  • Helenium 'El Dorado'
  • Helenium 'Flammendes Käthchen'
  • Helenium 'Flammenrad'
  • Helenium 'Goldrausch'
  • Helenium 'Kanaria'
  • Helenium 'Loysder Wieck'
  • Helenium 'Moerheim Beauty'
  • Helenium 'Potter's Wheel'
  • Helenium 'Red Jewel'
  • Helenium 'Rubinzwerg'
  • Helenium 'Ruby Thuesday'
  • Helenium 'The Bishop'
  • Helenium 'Tie Dye'
  • Helenium 'Waltraut'
  • Helenium 'Wesergold'
  • Helianthella quinquenervis
  • Helianthus giganteus 'Sheila's Sunshine'
  • Helianthus microcephalus
  • Helianthus pauciflorus
  • Helianthus salicifolius
  • Helianthus tuberosus
  • Helianthus × kellermanii
  • Helianthus 'Lemon Queen'
  • Helianthus 'Miss Mellish'
  • Helianthus 'Monarch'
  • Helichrysum 'Schwefellicht'
  • Helictotrichon sempervirens
  • Helictotrichon sempervirens 'Saphirsprudel'
  • Heliopsis helianthoides 'Tuscan Sun' (PBR)
  • Heliopsis helianthoides var. scabra 'Asahi'
  • Heliopsis helianthoides var. scabra 'Patula'
  • Heliopsis helianthoides var. scabra 'Prairie Sunset' (PBR)
  • Heliopsis helianthoides var. scabra 'Spitzentänzerin'
  • Heliopsis helianthoides var. scabra 'Summer Nights'
  • Heliopsis helianthoides var. scabra 'Venus'
  • Helleborus argutifolius
  • Helleborus bocconei
  • Helleborus foetidus
  • Helleborus lividus
  • Helleborus niger
  • Helleborus niger HGC Jacob Royal = 'Coseh 240' (PBR)
  • Helleborus niger 'Mont Blanc'
  • Helleborus odorus
  • Helleborus orientalis Lam. subsp. abchasicus (A. Braun) B. Mathew
  • Helleborus viridis
  • Helleborus × hybridus 'Angellier'
  • Helleborus × hybridus 'Circe'
  • Helleborus × hybridus 'Winter Joy Bouquet'
  • Helleborus × sahinii 'Winterbells' (PBR)
  • Helleborus × sternii Ashwood strain
  • Helleborus × sternii 'Boughton Beauty'
  • Helleborus × sternii 'Silver Dollar'
  • Helleborus (Rodney Davey Marbled Group) Anna's Red = 'Abcrd02' (PBR) (Frostkiss Series)
  • Heloniopsis tubiflora 'Temple Blue'
  • Heloniopsis umbellata
  • Helwingia chinensis broad-leaved
  • Hemerocallis citrina
  • Hemerocallis dumortieri
  • Hemerocallis lilioasphodelus
  • Hemerocallis 'Astolat'
  • Hemerocallis 'Black Stockings'
  • Hemerocallis 'Carrick Wildon'
  • Hemerocallis 'Exploded Pumpkin'
  • Hemerocallis 'Eye on America'
  • Hemerocallis 'Frosted Vintage Ruffles'
  • Hemerocallis 'Gentle Shepherd'
  • Hemerocallis 'Golden Chimes'
  • Hemerocallis 'Joan Senior'
  • Hemerocallis 'Just My Size'
  • Hemerocallis 'Lady Betty Fretz'
  • Hemerocallis 'Lotus Position'
  • Hemerocallis 'Luxury Lace'
  • Hemerocallis 'Madeline Nettles Eyes'
  • Hemerocallis 'Mary Todd'
  • Hemerocallis 'Moonlit Caress'
  • Hemerocallis 'Pardon Me'
  • Hemerocallis 'Pink Damask'
  • Hemerocallis 'Seal of Approval'
  • Hemerocallis 'Stafford'
  • Hemerocallis 'Stella de Oro'
  • Hemerocallis 'Think Pink'
  • Hemerocallis 'Veins of Truth'
  • Hemerocallis 'Whichford'
  • Hepatica 'Forest Purple' (Forest Series)
  • Heptacodium miconioides
  • Heracleum dulce
  • Hesperaloe malacophylla
  • Hesperantha coccinea
  • Hesperantha coccinea f. alba
  • Hesperantha coccinea 'Jack Frost'
  • Hesperantha coccinea 'Jennifer'
  • Hesperantha coccinea 'Professor Barnard'
  • Hesperantha coccinea 'Snow Maiden'
  • Hesperantha coccinea 'Sunrise'
  • Hesperantha coccinea 'Viscountess Byng'
  • Hesperis matronalis var. albiflora 'Alba Plena' (d)
  • Heteropolygonatum 'Mikinori Ogisu'
  • Heuchera Ebony and Ivory = 'E and I' (PBR)
  • Heuchera 'Berry Marmalade' (PBR)
  • Heuchera 'Berry Smoothie' (PBR)
  • Heuchera 'Binoche' (PBR)
  • Heuchera 'Black Taffeta' (PBR)
  • Heuchera 'Blackberry Crisp' (PBR)
  • Heuchera 'Boysenberry' (PBR) (Indian Summer Series)
  • Heuchera 'Cappuccino'
  • Heuchera 'Caramel' (PBR)
  • Heuchera 'Cascade Dawn'
  • Heuchera 'Cherry Cola' (PBR)
  • Heuchera 'Coco' (PBR) (Little Cutie Series)
  • Heuchera 'Dark Secret' (PBR)
  • Heuchera 'Delta Dawn' (PBR)
  • Heuchera 'Fire Chief' (PBR)
  • Heuchera 'Forever Purple' (Forever Series)
  • Heuchera 'Georgia Peach' (PBR)
  • Heuchera 'Georgia Plum'
  • Heuchera 'Ginger Ale' (PBR)
  • Heuchera 'Glitter' (PBR)
  • Heuchera 'Gojiberry' (Indian Summer Series)
  • Heuchera 'Green Spice'
  • Heuchera 'Hollywood' (PBR)
  • Heuchera 'Lime Marmalade'
  • Heuchera 'Lipstick' (PBR)
  • Heuchera 'Marmalade' (PBR)
  • Heuchera 'Obsidian' (PBR)
  • Heuchera 'Paprika' (PBR)
  • Heuchera 'Plum Pudding' (PBR)
  • Heuchera 'Rave On' (PBR)
  • Heuchera 'Shanghai' (PBR)
  • Heuchera 'Silver Dollar'
  • Heuchera 'Silver Heart'
  • Heuchera 'Southern Comfort' (PBR)
  • Heuchera 'Stormy Seas'
  • Heuchera 'Sugar Plum' (PBR)
  • Heuchera 'Wildberry' (Dolce Series)
  • Hibiscus syriacus 'Ardens' (d)
  • Hibiscus syriacus 'Diana'
  • Hibiscus syriacus 'Hamabo'
  • Hibiscus syriacus 'Leopoldii' (d)
  • Hibiscus syriacus 'Meehanii' (v)
  • Hibiscus syriacus 'Oiseau Bleu'
  • Hibiscus syriacus 'Woodbridge'
  • Hippeastrum 'Toughie'
  • Hoheria angustifolia
  • Hoheria sexstylosa 'Crataegifolia'
  • Hoheria sexstylosa 'Stardust'
  • Hoheria 'Borde Hill'
  • Holboellia coriacea
  • Holboellia latifolia
  • Holodiscus discolor
  • Hosta lancifolia
  • Hosta plantaginea var. japonica
  • Hosta sieboldiana var. elegans
  • Hosta venusta
  • Hosta (Tardiana Group) 'Hadspen Blue'
  • Hosta 'Blue Cadet'
  • Hosta 'Blue Ivory' (v)
  • Hosta 'Cherry Berry' (v)
  • Hosta 'Devon Green'
  • Hosta 'Empress Wu' (PBR)
  • Hosta 'Fire and Ice' (v)
  • Hosta 'Francee' (fortunei) (v)
  • Hosta 'Frances Williams' (sieboldiana) (v)
  • Hosta 'Golden Medallion' (tokudama)
  • Hosta 'Great Expectations' (sieboldiana) (v)
  • Hosta 'Guacamole' (v)
  • Hosta 'Honeybells'
  • Hosta 'Hydon Sunset'
  • Hosta 'Orange Marmalade' (v)
  • Hosta 'Patriot' (v)
  • Hosta 'Pilgrim' (v)
  • Hosta 'Powder Blue' (v)
  • Hosta 'Praying Hands' (v)
  • Hosta 'Purple Heart'
  • Hosta 'Royal Standard'
  • Hosta 'Stained Glass' (v)
  • Hosta 'Sum and Substance'
  • Hosta 'Sweet Susan'
  • Hosta 'Wide Brim' (v)
  • Hosta 'Yellow River' (v)
  • Hosta 'Zounds'
  • Houttuynia cordata 'Flame' (v)
  • Hovenia dulcis
  • Humulus lupulus 'Aureus'
  • Humulus lupulus 'Northern Brewer' (f)
  • Hydrangea anomala subsp. anomala 'Winter Glow'
  • Hydrangea anomala subsp. petiolaris
  • Hydrangea anomala subsp. petiolaris 'Silver Lining' (PBR)
  • Hydrangea arborescens 'Annabelle'
  • Hydrangea arborescens 'Hayes Starburst' (PBR)
  • Hydrangea arborescens subsp. radiata 'Samantha'
  • Hydrangea aspera Hot Chocolate = 'Haopr012' (PBR)
  • Hydrangea aspera 'Macrophylla'
  • Hydrangea aspera subsp. robusta
  • Hydrangea aspera Villosa Group
  • Hydrangea heteromalla Bretschneideri Group
  • Hydrangea heteromalla 'Nepal Beauty'
  • Hydrangea luteovenosa
  • Hydrangea macrophylla 'Générale Vicomtesse de Vibraye' (H)
  • Hydrangea macrophylla 'Madame Emile Mouillère' (H)
  • Hydrangea paniculata Bobo = 'Ilvobo' (PBR)
  • Hydrangea paniculata Early Harry = 'Hpopr018'
  • Hydrangea paniculata Magical Mont Blanc = 'Kolmamon' (PBR) (Magical Series)
  • Hydrangea paniculata Magical Vesuvio = 'Kolmavesu' (PBR) (Magical Series)
  • Hydrangea paniculata Pink Diamond = 'Interhydia'
  • Hydrangea paniculata Prim'White = 'Dolprim'
  • Hydrangea paniculata Sundae Fraise = 'Rensun' (PBR)
  • Hydrangea paniculata Vanille Fraise = 'Renhy' (PBR)
  • Hydrangea paniculata 'Bombshell' (PBR)
  • Hydrangea paniculata 'Chantilly Lace'
  • Hydrangea paniculata 'Grandiflora'
  • Hydrangea paniculata 'Kyushu'
  • Hydrangea paniculata 'Limelight' (PBR)
  • Hydrangea paniculata 'Phantom'
  • Hydrangea paniculata 'Polar Bear' (PBR)
  • Hydrangea paniculata 'Tardiva'
  • Hydrangea paniculata 'Unique'
  • Hydrangea paniculata 'Wim's Red' (PBR)
  • Hydrangea quercifolia
  • Hydrangea quercifolia Ice Crystal = 'Hqopr010' (PBR)
  • Hydrangea quercifolia 'Alice'
  • Hydrangea quercifolia 'Applause'
  • Hydrangea quercifolia 'Burgundy'
  • Hydrangea quercifolia 'Harmony'
  • Hydrangea quercifolia 'Pee Wee'
  • Hydrangea quercifolia 'Tennessee Clone'
  • Hydrangea scandens subsp. chinensis 'Big White'
  • Hydrangea scandens subsp. chinensis f. angustipetala 'Golden Crane'
  • Hydrangea seemannii
  • Hydrangea serrata 'Bluebird' (L)
  • Hydrangea serrata 'Kiyosumi' (L)
  • Hydrangea serrata 'Kurenai' (L)
  • Hydrangea serrata 'Kurohime' (L)
  • Hydrangea serrata 'Odoriko-amacha' (L)
  • Hydrangea serrata 'Sekka' (L)
  • Hydrangea serrata 'Shojo'
  • Hydrangea serrata 'Tiara' (L)
  • Hydrangea Early Sensation = 'Bulk' (PBR)
  • Hydrangea Miss Saori = 'H2002' (PBR) (d)
  • Hydrangea Semiola = 'Inovalaur' (PBR)
  • Hydrangea 'Preziosa'
  • Hylomecon japonica
  • Hylotelephium spectabile 'Iceberg'
  • Hylotelephium spectabile 'Stardust'
  • Hylotelephium telephium (Atropurpureum Group) 'Bressingham Purple'
  • Hylotelephium telephium (Atropurpureum Group) 'Karfunkelstein'
  • Hylotelephium telephium (Atropurpureum Group) 'Purple Emperor'
  • Hylotelephium telephium (Atropurpureum Group) 'Xenox' (PBR)
  • Hylotelephium telephium 'Jennifer'
  • Hylotelephium telephium 'Moonlight Serenade' (PBR)
  • Hylotelephium telephium 'Strawberries and Cream'
  • Hylotelephium telephium subsp. maximum 'Gooseberry Fool'
  • Hylotelephium telephium subsp. ruprechtii 'Hab Gray'
  • Hylotelephium telephium 'Touchdown Teak' (PBR) (Touchdown Series)
  • Hylotelephium (Herbstfreude Group) 'Autumn Fire'
  • Hylotelephium (Herbstfreude Group) 'Elsie's Gold' (v)
  • Hylotelephium (Herbstfreude Group) 'Herbstfreude'
  • Hylotelephium (Herbstfreude Group) 'Jaws' (PBR)
  • Hylotelephium 'Abbey Dore'
  • Hylotelephium 'Bertram Anderson'
  • Hylotelephium 'Blue Pearl' (PBR) (SunSparkler Series)
  • Hylotelephium 'José Aubergine' (PBR)
  • Hylotelephium 'Munstead Red'
  • Hylotelephium 'Pinky'
  • Hylotelephium 'Ruby Glow'
  • Hylotelephium 'Stewed Rhubarb Mountain'
  • Hypericum × hidcoteense 'Hidcote'
  • Idesia polycarpa
  • Ilex aquifolium
  • Ilex aquifolium 'Crassifolia' (f)
  • Ilex aquifolium 'Golden van Tol' (f/v)
  • Ilex aquifolium 'Handsworth New Silver' (f/v)
  • Ilex aquifolium 'J.C. van Tol' (f)
  • Ilex aquifolium 'Madame Briot' (f/v)
  • Ilex aquifolium 'Silver van Tol' (f/v)
  • Ilex crenata 'Carolina Upright' (m)
  • Ilex crenata 'Mariesii' (f)
  • Ilex perado subsp. platyphylla
  • Ilex yunnanensis
  • Ilex × altaclerensis 'Golden King' (f/v)
  • Ilex × altaclerensis 'Lawsoniana' (f/v)
  • Ilex × meserveae Blue Angel = 'Conang' (f)
  • Ilex 'Leonardo'
  • Ilex 'Nellie R. Stevens' (f)
  • Illicium henryi
  • Illicium oligandrum
  • Impatiens arguta
  • Impatiens balansae
  • Impatiens insignis
  • Impatiens omeiana
  • Impatiens omeiana 'Ice Storm'
  • Impatiens omeiana 'Pink Nerves'
  • Impatiens puberula
  • Impatiens qingchengshanica 'Emei Dawn'
  • Impatiens rothii
  • Impatiens stenantha
  • Impatiens tinctoria
  • Imperata cylindrica 'Rubra'
  • Incarvillea delavayi 'Snowtop'
  • Incarvillea grandiflora
  • Incarvillea mairei
  • Incarvillea olgae
  • Incarvillea zhongdianensis
  • Indigofera heterantha
  • Indigofera himachalensis
  • Indigofera himalayensis
  • Indigofera himalayensis 'Silk Road'
  • Indigofera howellii
  • Indigofera kirilowii var. alba
  • Indigofera pendula
  • Inula ensifolia 'Gold Star'
  • Inula hookeri 'Mude'
  • Inula orientalis
  • Inula salicina
  • Ipheion sessile
  • Ipheion uniflorum 'Charlotte Bishop'
  • Ipheion uniflorum f. album
  • Ipheion 'Rolf Fiedler'
  • Ipheion 'Tessa' (PBR)
  • Iris bracteata
  • Iris bulleyana black-flowered
  • Iris chrysographes black-flowered
  • Iris ensata 'Moonlight Waves'
  • Iris ensata 'Variegata' (v)
  • Iris foetidissima
  • Iris fulva
  • Iris latifolia 'Duchess of York'
  • Iris latifolia 'King of the Blues'
  • Iris lazica
  • Iris pallida 'Argentea Variegata' (TB/v)
  • Iris pseudacorus 'Spartacus'
  • Iris pseudacorus 'Variegata' (v)
  • Iris unguicularis
  • Iris unguicularis 'Walter Butt'
  • Iris variegata
  • Iris × robusta 'Gerald Darby'
  • Iris 'Ann Chowning' (La)
  • Iris 'Benton Nigel' (TB)
  • Iris 'Blue Shimmer' (TB)
  • Iris 'Butter and Sugar' (Sib)
  • Iris 'Dance Ballerina Dance' (Sib)
  • Iris 'Dancer's Veil' (TB)
  • Iris 'Dark Circle' (Sib)
  • Iris 'Deep Black' (TB)
  • Iris 'Dreaming Green' (Sib)
  • Iris 'Dusky Challenger' (TB)
  • Iris 'Flight of Butterflies' (Sib)
  • Iris 'Frost and Flame' (TB)
  • Iris 'Harpswell Happiness' (Sib)
  • Iris 'Holden Clough' (SpH)
  • Iris 'Jane Phillips' (TB)
  • Iris 'Kabluey' (Sib)
  • Iris 'Katharine Hodgkin' (Reticulata)
  • Iris 'Lady Vanessa' (Sib)
  • Iris 'Mabel Coday' (Sib)
  • Iris 'Memphis Memory' (Sib)
  • Iris 'Mountain Lake' (Sib)
  • Iris 'Nightfall' (TB)
  • Iris 'Party Dress' (TB)
  • Iris 'Perry's Blue' (Sib)
  • Iris 'Royal Blue' (Sib)
  • Iris 'Snowcrest' (Sib)
  • Iris 'Sultan's Palace' (TB)
  • Iris 'Teverlae' (Sib)
  • Iris 'Tinkerbell' (SDB)
  • Iris 'Tropic Night' (Sib)
  • Iris 'Victorian Secret' (Sib)
  • Iris 'White Knight' (TB)
  • Iris 'White Swirl' (Sib)
  • Isopyrum thalictroides
  • Itea ilicifolia
  • Itea virginica Little Henry = 'Sprich' (PBR)
  • Itea virginica 'Henry's Garnet'
  • Ixiolirion tataricum
  • Jaborosa integrifolia
  • Jasminum beesianum
  • Jasminum fruticans
  • Jasminum humile 'Revolutum'
  • Jasminum nudiflorum
  • Jasminum officinale Fiona Sunrise = 'Frojas' (PBR)
  • Jasminum officinale Sunbeam = 'Lowbeam'
  • Jasminum officinale 'Devon Cream' (PBR)
  • Jasminum officinale 'Inverleith'
  • Jasminum parkeri
  • Jasminum polyanthum dark red-leaved
  • Jeffersonia diphylla
  • Jovellana punctata
  • Jovellana violacea
  • Juglans nigra (F)
  • Kadsura japonica 'Variegata' (v)
  • Kalimeris incisa
  • Kalimeris incisa 'Alba'
  • Kalimeris incisa 'Blue Star'
  • Kalimeris incisa 'Madiva'
  • Kalimeris incisa 'Nana Blue'
  • Kalimeris mongolica
  • Kalimeris yomena 'Shogun' (v)
  • Kalimeris 'Mon Jardin'
  • Kalmia angustifolia f. rubra
  • Kalmia latifolia
  • Kerria japonica 'Picta' (v)
  • Kerria japonica 'Pleniflora' (d)
  • Kirengeshoma palmata
  • Kirengeshoma palmata 'Black Style'
  • Kirengeshoma palmata Koreana Group
  • Knautia arvensis
  • Knautia macedonica
  • Knautia macedonica 'Mars Midget'
  • Knautia macedonica Melton pastels
  • Knautia macedonica 'Red Knight'
  • Knautia macedonica 'Thunder and Lightning' (PBR) (v)
  • Kniphofia caulescens
  • Kniphofia caulescens 'John May'
  • Kniphofia linearifolia
  • Kniphofia northiae
  • Kniphofia parviflora
  • Kniphofia rooperi
  • Kniphofia Bressingham Sunbeam = 'Bresun'
  • Kniphofia Ember Glow = 'Tneg' (PBR) (Glow Series)
  • Kniphofia 'Bees' Lemon'
  • Kniphofia 'Bees' Sunset'
  • Kniphofia 'Bressingham Comet'
  • Kniphofia 'Christmas Cheer'
  • Kniphofia 'Dingaan'
  • Kniphofia 'Drummore Apricot'
  • Kniphofia 'Fiery Fred'
  • Kniphofia 'Goldelse'
  • Kniphofia 'Green Jade'
  • Kniphofia 'Innocence'
  • Kniphofia 'John Benary'
  • Kniphofia 'Minister Verschuur'
  • Kniphofia 'Old Court Seedling'
  • Kniphofia 'Papaya Popsicle' (PBR) (Popsicle Series)
  • Kniphofia 'Percy's Pride'
  • Kniphofia 'Royal Standard'
  • Kniphofia 'Samuel's Sensation' Samuel
  • Kniphofia 'Timothy'
  • Kniphofia 'Toffee Nosed'
  • Kniphofia 'Vesta'
  • Kniphofia 'Wrexham Buttercup'
  • Koeleria glauca
  • Koelreuteria paniculata
  • Koelreuteria paniculata 'Coral Sun' (PBR)
  • Koelreuteria paniculata 'Fastigiata'
  • Kolkwitzia amabilis 'Pink Cloud'
  • Laburnum anagyroides 'Yellow Rocket'
  • Laburnum × watereri 'Vossii'
  • Lagerstroemia indica 'Nivea'
  • Lamium maculatum Lami Mega Purple (Lami Series)
  • Lamium maculatum 'Beacon Silver'
  • Lamium maculatum 'Cannon's Gold'
  • Lamium maculatum 'Orchid Frost'
  • Lamium maculatum 'Pink Pewter'
  • Lamium maculatum 'Roseum'
  • Lamium maculatum 'White Nancy'
  • Lamium orvala 'Album'
  • Lamprocapnos spectabilis
  • Lamprocapnos spectabilis Valentine = 'Hordival' (PBR)
  • Lamprocapnos spectabilis 'Alba'
  • Lamprocapnos spectabilis 'Gold Heart' (PBR)
  • Lamprothyrsus hieronymi
  • Lantana 'Miss Huff'
  • Laserpitium latifolium
  • Laserpitium siler
  • Lathyrus japonicus
  • Lathyrus latifolius 'Red Pearl'
  • Lathyrus latifolius 'Rosa Perle'
  • Lathyrus latifolius 'White Pearl'
  • Lathyrus palustris
  • Lathyrus pratensis
  • Lathyrus rotundifolius 'Tillyperone'
  • Lathyrus tuberosus
  • Lathyrus venetus
  • Lathyrus vernus
  • Lathyrus vernus 'Alboroseus'
  • Lathyrus vernus 'Gracilis'
  • Lathyrus vernus 'Spring Melody'
  • Lathyrus 'Tubro'
  • Laurus nobilis
  • Lavandula angustifolia
  • Lavandula angustifolia 'Ashdown Forest'
  • Lavandula angustifolia 'Hidcote'
  • Lavandula angustifolia 'Imperial Gem'
  • Lavandula angustifolia 'Munstead'
  • Lavandula angustifolia 'Twickel Purple'
  • Lavandula stoechas 'Anouk' (PBR) (Anouk Series)
  • Lavatera × clementii Ruby Star = 'Jostar' (PBR)
  • Lavatera × clementii 'Barnsley'
  • Lavatera × clementii 'Barnsley Baby'
  • Lavatera × clementii 'Bredon Springs'
  • Lavatera × clementii 'Burgundy Wine'
  • Lavatera × clementii 'Rosea'
  • Leonurus turkestanicus
  • Leptinella squalida 'Platt's Black'
  • Leptospermum scoparium (Nanum Group) 'Kiwi'
  • Lespedeza capitata
  • Lespedeza thunbergii
  • Lespedeza thunbergii 'Gibraltar'
  • Lespedeza thunbergii subsp. formosa
  • Lespedeza thunbergii subsp. thunbergii 'Edo-shibori'
  • Leucanthemella serotina
  • Leucanthemum × superbum 'Amelia'
  • Leucanthemum × superbum 'Bishopstone'
  • Leucanthemum × superbum 'Engelina' (PBR)
  • Leucanthemum × superbum 'Esther Read' (d)
  • Leucanthemum × superbum 'Goldrausch' (PBR)
  • Leucanthemum × superbum 'Phyllis Smith'
  • Leucanthemum × superbum 'Real Dream' (PBR) (Realflor Series)
  • Leucanthemum × superbum 'Real Neat' (Realflor Series)
  • Leucanthemum × superbum 'Shapcott Ruffles'
  • Leucanthemum × superbum 'Shapcott Summer Clouds'
  • Leucanthemum × superbum 'Silberprinzesschen'
  • Leucanthemum × superbum 'Sonnenschein'
  • Leucanthemum × superbum 'Stina'
  • Leucanthemum × superbum 'Sunny Side Up' (PBR)
  • Leucanthemum × superbum 'Wirral Supreme' (d)
  • Leucojum aestivum
  • Leucojum aestivum 'Gravetye Giant'
  • Leucojum vernum
  • Leucothoe axillaris 'Curly Red' (PBR)
  • Leucothoe fontanesiana 'Makijaz' (PBR) (v)
  • Leucothoe fontanesiana 'Rainbow' (v)
  • Leucothoe keiskei Halloween = 'Opstal16' (PBR)
  • Leucothoe Scarletta = 'Zeblid'
  • Lewisia cotyledon hybrid
  • Leycesteria crocothyrsos
  • Leycesteria formosa
  • Leycesteria formosa Golden Lanterns = 'Notbruce' (PBR)
  • Leycesteria formosa 'Purple Rain'
  • Leymus arenarius
  • Leymus arenarius 'Blue Dune'
  • Liatris scariosa 'Alba'
  • Liatris spicata
  • Liatris spicata 'Alba'
  • Liatris spicata 'Floristan Violett'
  • Liatris spicata 'Floristan Weiss'
  • Liatris spicata 'Kobold'
  • Libertia chilensis Elegans Group
  • Libertia chilensis Formosa Group
  • Libertia chilensis Procera Group
  • Libertia ixioides 'Goldfinger' (v)
  • Libertia paniculata
  • Libertia peregrinans
  • Libertia peregrinans 'Gold Leaf'
  • Libertia sessiliflora 'Ballyrogan Blue'
  • Libertia 'Amazing Grace'
  • Libertia 'Nelson Dwarf'
  • Ligularia dentata 'Desdemona'
  • Ligularia dentata 'Franz Feldweber'
  • Ligularia dentata 'Megamona'
  • Ligularia przewalskii
  • Ligularia stenocephala
  • Ligularia vorobievii
  • Ligularia 'Little Rocket' (PBR)
  • Ligularia 'The Rocket'
  • Ligustrum ibota 'Muster' (PBR) (v)
  • Ligustrum japonicum 'Rotundifolium'
  • Ligustrum ovalifolium 'Aureum' (v)
  • Ligustrum quihoui
  • Lilium formosanum (IXb/a)
  • Lilium formosanum var. pricei (IXb/a)
  • Linaria purpurea
  • Linaria purpurea 'Canon Went'
  • Linum perenne
  • Linum perenne 'Album'
  • Liquidambar styraciflua 'Andrew Hewson'
  • Liquidambar styraciflua 'Gum Ball'
  • Liquidambar styraciflua 'Stared'
  • Liquidambar styraciflua 'Teresa'
  • Liquidambar styraciflua 'Thea'
  • Liquidambar styraciflua 'Variegata' Overeynder (v)
  • Liriodendron tulipifera
  • Liriodendron tulipifera 'Aureomarginatum' (v)
  • Liriodendron tulipifera 'Snow Bird' (v)
  • Liriope gigantea
  • Liriope muscari
  • Liriope muscari 'Big Blue'
  • Liriope muscari 'Ingwersen'
  • Liriope muscari 'Moneymaker'
  • Liriope muscari 'Okina' (v)
  • Liriope muscari 'Royal Purple'
  • Liriope muscari 'Variegata' (v)
  • Liriope muscari 'Webster Wideleaf'
  • Liriope spicata
  • Lobelia bridgesii
  • Lobelia cardinalis 'Chocolate Truffle' (PBR)
  • Lobelia sessilifolia
  • Lobelia siphilitica f. albiflora
  • Lobelia × speciosa 'Dark Crusader'
  • Lobelia × speciosa 'Hadspen Purple' (PBR)
  • Lobelia × speciosa 'Kimbridge Beet'
  • Lobelia × speciosa 'Monet Moment'
  • Lobelia × speciosa 'Ruby Slippers'
  • Lobelia × speciosa 'Sparkling Ruby'
  • Lobelia × speciosa 'Tania'
  • Lobelia 'Sombre Purple'
  • Lonicera acuminata
  • Lonicera caerulea var. kamtschatica 'Morena' (PBR) (F)
  • Lonicera etrusca 'Superba'
  • Lonicera fragrantissima
  • Lonicera henryi
  • Lonicera hirsuta
  • Lonicera involucrata
  • Lonicera japonica 'Dart's World'
  • Lonicera japonica 'Halliana'
  • Lonicera japonica 'Hall's Prolific'
  • Lonicera japonica 'Mint Crisp' (PBR) (v)
  • Lonicera periclymenum 'Belgica'
  • Lonicera periclymenum 'ChojnÓw' (PBR)
  • Lonicera periclymenum 'Graham Thomas'
  • Lonicera periclymenum 'Scentsation' (PBR)
  • Lonicera periclymenum 'Serotina'
  • Lonicera periclymenum 'Sweet Sue'
  • Lonicera syringantha
  • Lonicera tragophylla 'Maurice Foster'
  • Lonicera × brownii 'Dropmore Scarlet'
  • Lonicera × heckrottii 'Gold Flame' hort.
  • Lonicera × italica
  • Lonicera × purpusii
  • Lonicera × purpusii 'Winter Beauty'
  • Lonicera × tellmanniana
  • Lonicera 'Simonet'
  • Lophomyrtus × ralphii 'Multicolor' (v)
  • Loropetalum chinense var. rubrum 'Fire Dance'
  • Luma apiculata
  • Luma apiculata 'Glanleam Gold' (v)
  • Lunaria rediviva
  • Lupinus arcticus
  • Lupinus 'Persian Slipper' (PBR)
  • Lupinus 'Rachel de Thame'
  • Lupinus 'Thundercloud'
  • Lupinus 'Towering Inferno'
  • Luzula nivea
  • Luzula sylvatica
  • Luzula sylvatica 'Aurea'
  • Luzula sylvatica 'Solar Flair'
  • Luzula sylvatica 'Taggart's Cream' (v)
  • Luzula sylvatica 'Thierry's Cream' (v)
  • Lychnis chalcedonica
  • Lychnis chalcedonica 'Carnea'
  • Lychnis coronaria
  • Lychnis coronaria Gardeners' World = 'Blych' (d)
  • Lychnis coronaria Oculata Group
  • Lychnis flos-cuculi Jenny = 'Lychjen' (d)
  • Lychnis flos-cuculi 'Petite Jenny' (d)
  • Lychnis flos-cuculi 'White Robin'
  • Lychnis flos-jovis 'Hort's Variety'
  • Lychnis flos-jovis 'Peggy'
  • Lychnis × arkwrightii 'Vesuvius'
  • Lychnis 'Hill Grounds'
  • Lyonothamnus floribundus subsp. aspleniifolius
  • Lysimachia atropurpurea
  • Lysimachia ciliata 'Firecracker'
  • Lysimachia clethroides
  • Lysimachia ephemerum
  • Lysimachia punctata 'Alexander' (v)
  • Lysimachia punctata 'Gaulthier Brousse'
  • Lysimachia punctata 'Hometown Hero'
  • Lysimachia thyrsiflora
  • Lythrum salicaria 'Blush'
  • Lythrum salicaria 'Feuerkerze'
  • Lythrum salicaria 'Lady Sackville'
  • Lythrum salicaria 'Morden Pink'
  • Lythrum salicaria 'Robert'
  • Lythrum salicaria 'Robin'
  • Lythrum salicaria 'The Beacon'
  • Lythrum virgatum 'Dropmore Purple'
  • Lythrum virgatum 'Rosy Gem'
  • Machaeranthera
  • Macleaya cordata (Willd.) R. Br.
  • Macleaya microcarpa 'Kelway's Coral Plume'
  • Macleaya microcarpa 'Spetchley Ruby'
  • Macleaya × kewensis 'Flamingo'
  • Magnolia caveana
  • Magnolia figo
  • Magnolia grandiflora
  • Magnolia grandiflora 'Little Gem'
  • Magnolia insignis
  • Magnolia liliiflora 'Nigra'
  • Magnolia macrophylla
  • Magnolia stellata
  • Magnolia stellata 'King Rose'
  • Magnolia stellata 'Water Lily'
  • Magnolia × soulangeana
  • Magnolia × soulangeana 'Superba'
  • Magnolia × wieseneri
  • Magnolia Shirazz = 'Vulden'
  • Magnolia 'Betty'
  • Magnolia 'Heaven Scent'
  • Magnolia 'March til Frost'
  • Magnolia 'Summer Solstice'
  • Magnolia 'Susan'
  • Mahonia aquifolium 'Apollo'
  • Mahonia bealei 'Cornish Silver'
  • Mahonia eurybracteata subsp. ganpinensis 'Soft Caress'
  • Mahonia gracilipes
  • Mahonia gracilis
  • Mahonia japonica
  • Mahonia moranensis
  • Mahonia nitens
  • Mahonia nitens 'Cabaret' (PBR)
  • Mahonia pallida
  • Mahonia pinnata subsp. insularis 'Schnilemoon'
  • Mahonia trifolia
  • Mahonia × lindsayae 'Cantab'
  • Mahonia × media 'Charity'
  • Mahonia × media 'Lionel Fortescue'
  • Mahonia × media 'Winter Sun'
  • Mahonia × savilliana
  • Mahonia 'Pan's Peculiar'
  • Maianthemum bifolium subsp. kamtschaticum var. pumilum
  • Maianthemum canadense
  • Maianthemum racemosum
  • Malus brevipes 'Wedding Bouquet'
  • Malus domestica Paradice Gold (D)
  • Malus domestica 'Bramley's Seedling' (C)
  • Malus domestica 'Bramley's Seedling' clone 20 (C)
  • Malus domestica 'Chivers Delight' (D)
  • Malus domestica 'Christmas Pippin' (PBR) (D)
  • Malus domestica 'Core Blimey' (D)
  • Malus domestica 'Cox's Selfing' (D)
  • Malus domestica 'Discovery' (D)
  • Malus domestica 'Egremont Russet' (D)
  • Malus domestica 'Fiesta' (D)
  • Malus domestica 'Gala' (D)
  • Malus domestica 'Herefordshire Russet' (PBR) (D)
  • Malus domestica 'James Grieve' (D)
  • Malus domestica 'Katja' (D)
  • Malus domestica 'Keswick Codlin' (C)
  • Malus domestica 'Kidd's Orange Red' (D)
  • Malus domestica 'Limelight' (D)
  • Malus domestica 'Red Devil' (D)
  • Malus domestica 'Red Windsor' (D)
  • Malus domestica 'Reverend W. Wilks' (C)
  • Malus domestica 'Scotch Bridget' (C)
  • Malus domestica 'Scrumptious' (PBR) (D)
  • Malus domestica 'Spartan' (D)
  • Malus domestica 'Sturmer Pippin' (D)
  • Malus domestica 'Sunset' (D)
  • Malus domestica 'Worcester Pearmain' (D)
  • Malus toringo 'Aros' (PBR)
  • Malus transitoria 'Roundabarrow Ruby'
  • Malus trilobata
  • Malus trilobata 'Guardsman'
  • Malus × adstringens 'Simcoe'
  • Malus × atrosanguinea 'Gorgeous'
  • Malus × floribunda
  • Malus × robusta 'Red Sentinel'
  • Malus × zumi 'Golden Hornet'
  • Malus Jelly King = 'Mattfru'
  • Malus Nuvar Marble (C)
  • Malus Red Obelisk = 'Dvp Obel'
  • Malus 'Butterball'
  • Malus 'Comtesse de Paris'
  • Malus 'Evereste'
  • Malus 'Indian Magic'
  • Malus 'John Downie' (C)
  • Malus 'Laura'
  • Malus 'Louisa'
  • Malus 'Prairifire'
  • Malus 'Princeton Cardinal'
  • Malus 'Royalty'
  • Malus 'Rudolph'
  • Malva moschata
  • Malva sylvestris 'Blue Fountain' (PBR)
  • Malva sylvestris var. mauritiana 'Primley Blue'
  • Mandragora officinarum
  • Marshallia grandiflora
  • Mathiasella bupleuroides 'Green Dream'
  • Matteuccia struthiopteris
  • Matteuccia struthiopteris 'Jumbo'
  • Matthiola incana 'Alba'
  • Mazus reptans
  • Mazus reptans 'Albus'
  • Meconopsis baileyi
  • Meconopsis baileyi 'Hensol Violet'
  • Meconopsis baileyi var. alba
  • Meconopsis napaulensis misapplied
  • Meconopsis (Fertile Blue Group) 'Lingholm'
  • Medeola virginiana
  • Meehania cordata
  • Meehania urticifolia
  • Melianthus villosus
  • Melicytus crassifolius
  • Melittis melissophyllum 'Royal Velvet Distinction' (PBR)
  • Melittis melissophyllum subsp. albida
  • Mertensia lanceolata
  • Mertensia maritima
  • Mertensia virginica
  • Mespilus germanica 'Nottingham' (F)
  • Metrosideros umbellata
  • Meum athamanticum
  • Milium effusum 'Aureum'
  • Milium effusum 'Yaffle' (v)
  • Mimulus cardinalis
  • Mimulus cardinalis gold-flowered
  • Mimulus ringens
  • Mirabilis multiflora
  • Miscanthus nepalensis
  • Miscanthus sacchariflorus ambig.
  • Miscanthus sinensis 'Blütenwunder'
  • Miscanthus sinensis 'Bogenlampe'
  • Miscanthus sinensis 'Digestif'
  • Miscanthus sinensis 'Dreadlocks'
  • Miscanthus sinensis 'Flamingo'
  • Miscanthus sinensis 'Goldglanz'
  • Miscanthus sinensis 'Gracillimus'
  • Miscanthus sinensis 'Ibiza' (PBR)
  • Miscanthus sinensis 'Kleine Fontäne'
  • Miscanthus sinensis 'Kleine Silberspinne'
  • Miscanthus sinensis 'Kupferzwerg'
  • Miscanthus sinensis 'München'
  • Miscanthus sinensis 'Silberfeder'
  • Miscanthus sinensis 'Silberspinne'
  • Miscanthus sinensis 'Taiwan'
  • Miscanthus sinensis 'Vanilla Sky'
  • Miscanthus sinensis var. condensatus 'Cabaret' (v)
  • Miscanthus sinensis 'Zebrinus' (v)
  • Mitchella repens
  • Mitella breweri
  • Mitraria coccinea 'Lago Puyehue'
  • Modiolastrum lateritium
  • Molinia caerulea subsp. arundinacea 'Cordoba'
  • Molinia caerulea subsp. arundinacea 'Karl Foerster'
  • Molinia caerulea subsp. arundinacea 'Les Ponts de Cé'
  • Molinia caerulea subsp. arundinacea 'Tears of Joy'
  • Molinia caerulea subsp. arundinacea 'Transparent'
  • Molinia caerulea subsp. caerulea 'Igel'
  • Molinia caerulea subsp. caerulea 'Moorhexe'
  • Molinia caerulea subsp. caerulea 'Overdam'
  • Molinia caerulea subsp. caerulea 'Variegata' (v)
  • Molopospermum peloponnesiacum
  • Monarda bradburyana
  • Monarda didyma Bee-Free = 'Mon0012bfr' (PBR) (Bee-You Series)
  • Monarda didyma Bee-Happy = 'Mon0001bha' (PBR) (Bee-You Series)
  • Monarda didyma Bee-Lieve = 'Mon0004bli' (PBR) (Bee-You Series)
  • Monarda didyma Bee-True = 'Mon0005btr' (PBR) (Bee-You Series)
  • Monarda didyma 'Pardon My Pink' (Pardon My Series)
  • Monarda fistulosa 'Humdinger'
  • Monarda 'Balance'
  • Monarda 'Beauty of Cobham'
  • Monarda 'Cambridge Scarlet'
  • Monarda 'Elsie's Lavender'
  • Monarda 'Fireball' (PBR)
  • Monarda 'Fishes'
  • Monarda 'Mahogany'
  • Monarda 'Marshall's Delight'
  • Monarda 'Prärienacht'
  • Monarda 'Raspberry Wine'
  • Monarda 'Sagittarius'
  • Monarda 'Schneewittchen'
  • Monarda 'Scorpion'
  • Monarda 'Snow Queen'
  • Monarda 'Violet Queen'
  • Morina longifolia
  • Morus alba 'Laciniata'
  • Morus cathayana
  • Morus macroura
  • Morus nigra 'Chelsea' (F)
  • Morus 'Wellington' (F)
  • Muehlenbeckia astonii
  • Muehlenbeckia axillaris (Hook. f.) Endl.
  • Muehlenbeckia complexa
  • Muehlenbeckia complexa 'Texture Big Leaf'
  • Muhlenbergia capillaris
  • Muhlenbergia lindheimeri
  • Mukdenia rossii
  • Mukdenia rossii 'Karasuba'
  • Myrtus communis
  • Myrtus communis subsp. tarentina
  • Myrtus communis 'Variegata' (v)
  • Myrtus paraguayensis
  • Nandina domestica
  • Nandina domestica Magical Lemon and Lime = 'Lemlim' (PBR)
  • Nandina domestica 'Fire Power'
  • Nandina domestica 'Richmond'
  • Nandina domestica 'Seika' (PBR)
  • Nandina domestica 'Sunset' (PBR)
  • Nandina domestica 'Twilight' (PBR) (v)
  • Nandina Brightlight = 'Selten004' (PBR)
  • Narcissus 'Angel's Whisper' (5)
  • Narcissus 'Prototype' (6)
  • Narcissus 'Toto' (12)
  • Neillia thyrsiflora
  • Neolitsea sericea
  • Neopanax arboreus
  • Neopanax laetus
  • Nepeta govaniana
  • Nepeta grandiflora 'Blue Danube'
  • Nepeta grandiflora 'Bramdean'
  • Nepeta grandiflora 'Dawn to Dusk'
  • Nepeta grandiflora 'Pool Bank'
  • Nepeta grandiflora 'Summer Magic' (PBR)
  • Nepeta grandiflora 'Zinser's Giant'
  • Nepeta italica
  • Nepeta kubanica
  • Nepeta nervosa 'Blue Moon'
  • Nepeta nuda 'Purple Cat'
  • Nepeta racemosa 'Grog'
  • Nepeta racemosa 'Snowflake'
  • Nepeta sibirica 'Souvenir d'André Chaudron'
  • Nepeta subsessilis 'Cool Cat'
  • Nepeta subsessilis 'Washfield'
  • Nepeta × faassenii
  • Nepeta × faassenii Junior Walker = 'Novanepjun' (PBR)
  • Nepeta × faassenii 'Alba'
  • Nepeta × faassenii 'Blue Wonder'
  • Nepeta × faassenii 'Kit Cat'
  • Nepeta 'Dropmore'
  • Nepeta 'Hill Grounds'
  • Nepeta 'Leeds Castle'
  • Nepeta 'Six Hills Gold' (v)
  • Nepeta 'Weinheim Summer Blues'
  • Nerine bowdenii 'Alba' ambig.
  • Nerine bowdenii 'Lipstick'
  • Nerine bowdenii 'Ostara'
  • Nerine bowdenii 'Sofie'
  • Nerine bowdenii 'Stefanie'
  • Nerine 'Mr John'
  • Nipponanthemum nipponicum
  • Nolina hibernica
  • Nomocharis aperta
  • Nomocharis farreri
  • Nothofagus antarctica
  • Notholirion bulbuliferum
  • Notholirion campanulatum
  • Nyssa sinensis 'Jim Russell'
  • Nyssa sylvatica
  • Nyssa sylvatica 'Wisley Bonfire' (m)
  • Oenanthe javanica 'Flamingo' (v)
  • Oenothera fruticosa 'Hoheslicht'
  • Oenothera fruticosa 'Yellow River'
  • Oenothera lindheimeri (G)
  • Oenothera lindheimeri Cherry Brandy = 'Gauchebra' (PBR) (G)
  • Oenothera lindheimeri Geyser Pink = 'Gaudros' (PBR) (Geyser Series) (G)
  • Oenothera lindheimeri Geyser White = 'Gaudwwhi' (PBR) (Geyser Series) (G)
  • Oenothera lindheimeri Rosyjane = 'Harrosy' (PBR) (G)
  • Oenothera lindheimeri 'Corrie's Gold' (G/v)
  • Oenothera lindheimeri 'Pink Dwarf' (G)
  • Oenothera lindheimeri 'Siskiyou Pink' (G)
  • Oenothera lindheimeri 'Sparkle White' (G)
  • Oenothera lindheimeri 'The Bride' (G)
  • Oenothera macrocarpa
  • Oenothera organensis
  • Oenothera pilosella 'Mella Yella'
  • Oenothera speciosa Twilight = 'Turner01' (PBR) (v)
  • Oenothera speciosa 'Alba'
  • Oenothera speciosa 'Siskiyou'
  • Oenothera Ice Cool Rosy = 'Harcool' (G)
  • Olearia macrodonta 'Major'
  • Olearia macrodonta 'Minor'
  • Olearia × haastii
  • Olearia × mollis 'Zennorensis'
  • Olsynium douglasii
  • Olsynium douglasii 'Album'
  • Omphalodes cappadocica 'Cherry Ingram'
  • Omphalodes cappadocica 'Lilac Mist'
  • Omphalodes cappadocica 'Starry Eyes'
  • Omphalodes verna
  • Omphalodes verna 'Alba'
  • Omphalodes verna 'Elfenauge'
  • Onoclea sensibilis
  • Onoclea sensibilis copper-leaved
  • Onoclea sensibilis 'Rotstiel'
  • Onopordum acanthium
  • Ophiopogon bodinieri
  • Ophiopogon chingii
  • Ophiopogon chingii 'Crispum'
  • Ophiopogon jaburan
  • Ophiopogon jaburan 'Vittatus' (v)
  • Ophiopogon japonicus
  • Ophiopogon japonicus 'Gyoku-Ryu'
  • Ophiopogon japonicus 'Minor'
  • Ophiopogon japonicus 'Nanus Variegatus' (v)
  • Ophiopogon planiscapus 'Black Needle'
  • Ophiopogon planiscapus 'Black Smaragd'
  • Ophiopogon planiscapus 'Kokuryu'
  • Ophiopogon planiscapus 'Little Tabby' (v)
  • Origanum laevigatum 'Herrenhausen'
  • Origanum laevigatum 'Hopleys'
  • Origanum vulgare 'Compactum'
  • Origanum vulgare 'Country Cream' (v)
  • Origanum vulgare 'Thumble's Variety'
  • Origanum vulgare 'White Charm'
  • Origanum 'Bristol Cross'
  • Origanum 'Dingle Fairy'
  • Origanum 'Kent Beauty'
  • Origanum 'Rosenkuppel'
  • Origanum 'Teddy'
  • Orixa japonica
  • Ornithogalum oligophyllum
  • Ornithogalum pyramidale
  • Ornithogalum reverchonii
  • Orthrosanthus chimboracensis
  • Orthrosanthus multiflorus
  • Osmanthus armatus
  • Osmanthus decorus
  • Osmanthus delavayi
  • Osmanthus heterophyllus
  • Osmanthus heterophyllus all gold
  • Osmanthus heterophyllus 'Goshiki' (v)
  • Osmanthus heterophyllus 'Purpureus'
  • Osmanthus yunnanensis
  • Osmanthus × burkwoodii
  • Osmanthus × fortunei
  • Osmunda asiatica
  • Osmunda japonica
  • Osmunda regalis
  • Osteospermum 'Cannington Roy'
  • Osteospermum 'Lady Leitrim'
  • Osteospermum 'Nairobi Purple'
  • Ostrya carpinifolia
  • Otholobium glandulosum
  • Ourisia coccinea
  • Ourisia 'Loch Ewe'
  • Oxydendrum arboreum
  • Pachyphragma macrophyllum
  • Pachysandra procumbens
  • Pachysandra terminalis
  • Pachysandra terminalis 'Green Carpet'
  • Pachysandra terminalis 'Silver Edge' (v)
  • Paeonia daurica subsp. mlokosewitschii
  • Paeonia lactiflora 'Baroness Schröder'
  • Paeonia lactiflora 'Bowl of Beauty'
  • Paeonia lactiflora 'Duchesse de Nemours'
  • Paeonia lactiflora 'Edulis Superba'
  • Paeonia lactiflora 'Félix Crousse'
  • Paeonia lactiflora 'Festiva Maxima'
  • Paeonia lactiflora 'Kansas'
  • Paeonia lactiflora 'Karl Rosenfield'
  • Paeonia lactiflora 'Krinkled White'
  • Paeonia lactiflora 'Sarah Bernhardt'
  • Paeonia lactiflora 'Shirley Temple'
  • Paeonia × festiva 'Rubra Plena' (d)
  • Paeonia 'Buckeye Belle' (d)
  • Paeonia 'Coral Charm'
  • Panicum bulbosum
  • Panicum virgatum 'Cloud Nine'
  • Panicum virgatum 'Dallas Blues'
  • Panicum virgatum 'Heavy Metal'
  • Panicum virgatum 'Külsenmoor'
  • Panicum virgatum 'Kurt Bluemel'
  • Panicum virgatum 'Prairie Sky'
  • Panicum virgatum 'Shenandoah'
  • Paradisea liliastrum (L.) Bertol.
  • Paradisea lusitanica
  • Parahebe lyallii
  • Parahebe lyallii 'Snowcap'
  • Parahebe perfoliata
  • Paris quadrifolia
  • Paris thibetica
  • Parrotia persica
  • Parrotia persica Persian Spire = 'Jlpn01' (PBR)
  • Parrotia persica 'Bella'
  • Parrotia persica 'Vanessa'
  • Parthenocissus henryana
  • Parthenocissus quinquefolia
  • Parthenocissus tricuspidata 'Fenway Park'
  • Passiflora caerulea
  • Passiflora caerulea 'Constance Eliott'
  • Patrinia gibbosa
  • Patrinia triloba var. palmata
  • Patrinia cf. monandra
  • Paulownia catalpifolia
  • Paulownia kawakamii
  • Pelargonium 'Ardens'
  • Peltoboykinia watanabei
  • Pennisetum advena 'Fireworks' (PBR) (v)
  • Pennisetum advena 'Rubrum'
  • Pennisetum alopecuroides 'Gelbstiel'
  • Pennisetum alopecuroides 'Hameln'
  • Pennisetum alopecuroides 'JS Jommenik' (PBR)
  • Pennisetum alopecuroides 'Little Bunny'
  • Pennisetum alopecuroides 'Magic'
  • Pennisetum alopecuroides 'Moudry'
  • Pennisetum alopecuroides 'Red Head'
  • Pennisetum orientale 'Tall Tails'
  • Pennisetum villosum
  • Pennisetum 'Paul's Giant'
  • Penstemon confertus
  • Penstemon digitalis 'Husker Red'
  • Penstemon heterophyllus 'Catherine de la Mare'
  • Penstemon heterophyllus 'Heavenly Blue'
  • Penstemon hirsutus
  • Penstemon multiflorus
  • Penstemon pinifolius 'Mersea Yellow'
  • Penstemon smallii
  • Penstemon strictus
  • Penstemon 'Andenken an Friedrich Hahn'
  • Penstemon 'Apple Blossom'
  • Penstemon 'Beech Park'
  • Penstemon 'Blackbird' (Bird Series)
  • Penstemon 'Castle Forbes'
  • Penstemon 'Cathedral Rose'
  • Penstemon 'Dark Towers' (PBR)
  • Penstemon 'Flamingo'
  • Penstemon 'Hidcote Pink'
  • Penstemon 'King George V'
  • Penstemon 'Osprey' (Bird Series)
  • Penstemon 'Purple Passion'
  • Penstemon 'Raven' (Bird Series)
  • Penstemon 'Sour Grapes' M. Fish
  • Penstemon 'White Bedder'
  • Periploca graeca
  • Persicaria affinis 'Darjeeling Red'
  • Persicaria affinis 'Donald Lowndes'
  • Persicaria affinis 'Kabouter'
  • Persicaria affinis 'Superba'
  • Persicaria alpina
  • Persicaria amplexicaulis JS Seven Oaks Village = 'JS Pesovi'
  • Persicaria amplexicaulis Orange Field = 'Orangofield' (PBR)
  • Persicaria amplexicaulis 'Alba'
  • Persicaria amplexicaulis 'Atrosanguinea'
  • Persicaria amplexicaulis 'Blackfield' (PBR)
  • Persicaria amplexicaulis 'Fat Domino' (PBR)
  • Persicaria amplexicaulis 'Golden Arrow' (v)
  • Persicaria amplexicaulis 'Inverleith'
  • Persicaria amplexicaulis 'JS Calor' (PBR)
  • Persicaria amplexicaulis 'JS Delgado Macho' (PBR)
  • Persicaria bistorta subsp. carnea
  • Persicaria bistorta 'Superba'
  • Persicaria campanulata
  • Persicaria microcephala 'Dragon's Eye' (PBR)
  • Persicaria microcephala 'Red Dragon' (PBR)
  • Persicaria milletii
  • Persicaria runcinata
  • Persicaria virginiana (Variegated Group) 'Painter's Palette' (v)
  • Persicaria 'Silver Dragon' (PBR)
  • Petasites japonicus var. giganteus 'Nishiki-buki' (v)
  • Peucedanum ostruthium 'Daphnis' (v)
  • Peucedanum verticillare
  • Phalaris arundinacea var. picta 'Arctic Sun' (v)
  • Phellodendron amurense
  • Philadelphus coulteri
  • Philadelphus delavayi f. melanocalyx
  • Philadelphus maculatus 'Mexican Jewel'
  • Philadelphus madrensis
  • Philadelphus mexicanus × palmeri
  • Philadelphus microphyllus
  • Philadelphus palmeri
  • Philadelphus purpurascens
  • Philadelphus 'Beauclerk'
  • Philadelphus 'Belle Étoile'
  • Philadelphus 'Buckley's Quill' (d)
  • Philadelphus 'Casa Azul'
  • Philadelphus 'Erectus'
  • Philadelphus 'Manteau d'Hermine' (d)
  • Philadelphus 'Silberregen'
  • Philadelphus 'Snowbelle' (d)
  • Philadelphus 'Starbright' (PBR)
  • Philadelphus 'Virginal' (d)
  • Phillyrea angustifolia
  • Phillyrea angustifolia f. rosmarinifolia 'French Fries'
  • Phillyrea latifolia
  • Phlomis cashmeriana
  • Phlomis grandiflora
  • Phlomis italica
  • Phlomis russeliana
  • Phlomis tuberosa 'Amazone'
  • Phlomis 'Edward Bowles'
  • Phlox divaricata 'Blue Perfume'
  • Phlox divaricata subsp. laphamii
  • Phlox divaricata 'White Perfume'
  • Phlox maculata 'Alpha'
  • Phlox maculata 'Natascha'
  • Phlox paniculata 'Blue Boy'
  • Phlox paniculata 'Blue Evening'
  • Phlox paniculata 'Blue Paradise'
  • Phlox paniculata 'Brigadier'
  • Phlox paniculata 'Bright Eyes'
  • Phlox paniculata 'Düsterlohe'
  • Phlox paniculata 'David'
  • Phlox paniculata 'Europa'
  • Phlox paniculata 'Eva Cullum'
  • Phlox paniculata 'Eventide'
  • Phlox paniculata 'Monica Lynden-Bell'
  • Phlox paniculata 'Newbird'
  • Phlox paniculata 'Norah Leigh' (v)
  • Phlox paniculata 'Pink Lady' (PBR)
  • Phlox paniculata 'Prince of Orange'
  • Phlox paniculata 'Starfire'
  • Phlox paniculata 'Tatjana'
  • Phlox paniculata 'Twister'
  • Phlox paniculata 'Uspekh'
  • Phlox paniculata 'White Admiral'
  • Phlox paniculata 'Windsor'
  • Phlox stolonifera 'Blue Ridge'
  • Phlox × arendsii 'Miss Karen' (Spring Pearl Series)
  • Phlox × arendsii 'Miss Mary' (Spring Pearl Series)
  • Phlox × arendsii 'Miss Wilma' (Spring Pearl Series)
  • Phoenix canariensis
  • Phormium cookianum subsp. hookeri 'Cream Delight' (v)
  • Phormium cookianum subsp. hookeri 'Tricolor' (v)
  • Phormium tenax 'Joker' (v)
  • Phormium tenax Purpureum Group
  • Phormium tenax 'Variegatum' (v)
  • Phormium 'Alison Blackman' (PBR)
  • Phormium 'Apricot Queen' (v)
  • Phormium 'Black Adder' (PBR)
  • Phormium 'Bronze Baby'
  • Phormium 'Buckland Ruby'
  • Phormium 'Dusky Chief'
  • Phormium 'Maori Maiden' (v)
  • Phormium 'Maori Queen' (v)
  • Phormium 'Platt's Black'
  • Phormium 'Sundowner' (v)
  • Phormium 'Yellow Wave' (v)
  • Photinia × fraseri Louise = 'Mclarlou' (PBR) (v)
  • Photinia × fraseri Pink Marble = 'Cassini' (v)
  • Photinia × fraseri 'Little Red Robin'
  • Photinia × fraseri 'Red Robin'
  • Phuopsis stylosa
  • Phuopsis stylosa 'Purpurea'
  • Phygelius × rectus 'African Queen'
  • Phygelius × rectus 'Moonraker'
  • Phyllostachys aurea
  • Phyllostachys nigra
  • Physalis alkekengi 'Halloween King'
  • Physalis alkekengi var. franchetii
  • Physocarpus capitatus 'Tilden Park'
  • Physocarpus opulifolius Diable D'Or = 'Mindia' (PBR)
  • Physocarpus opulifolius Lady in Red = 'Tuilad' (PBR)
  • Physocarpus opulifolius Summer Wine = 'Seward' (PBR)
  • Physocarpus opulifolius 'Anny's Gold' (PBR)
  • Physocarpus opulifolius 'Dart's Gold'
  • Physocarpus opulifolius 'Diabolo' (PBR)
  • Physostegia virginiana 'Alba'
  • Physostegia virginiana 'Miss Manners'
  • Physostegia virginiana var. speciosa 'Bouquet Rose'
  • Physostegia virginiana var. speciosa 'Variegata' (v)
  • Physostegia virginiana 'Vivid'
  • Phyteuma scheuchzeri
  • Phytolacca americana
  • Phytolacca americana 'Silberstein' (v)
  • Picrasma quassioides
  • Pieris japonica 'Little Heath' (v)
  • Pieris japonica 'Passion' (PBR)
  • Pileostegia viburnoides
  • Pimpinella major 'Rosea'
  • Pinellia ternata
  • Piptanthus nepalensis
  • Pistacia chinensis
  • Pistacia vera
  • Pittosporum daphniphylloides
  • Pittosporum eugenioides 'Variegatum' (v)
  • Pittosporum glabratum
  • Pittosporum heterophyllum variegated (v)
  • Pittosporum tenuifolium 'Elizabeth' (m/v)
  • Pittosporum tenuifolium 'Green Thumb'
  • Pittosporum tenuifolium 'Irene Paterson' (m/v)
  • Pittosporum tenuifolium 'Limelight' (v)
  • Pittosporum tenuifolium 'Silver Queen' (f/v)
  • Pittosporum tenuifolium 'Silver Sheen' (m)
  • Pittosporum tenuifolium 'Tom Thumb'
  • Pittosporum tenuifolium 'Variegatum' (m/v)
  • Pittosporum tenuifolium 'Victoria' (v)
  • Pittosporum tenuifolium 'Warnham Gold' (m)
  • Pittosporum tenuifolium 'Wrinkled Blue'
  • Pittosporum 'Garnettii' (v)
  • Platanus orientalis
  • Platycodon grandiflorus 'Mariesii'
  • Platycrater arguta
  • Poa labillardierei
  • Podophyllum peltatum
  • Podophyllum versipelle 'Spotty Dotty' (PBR) (v)
  • Podophyllum 'Kaleidoscope' (v)
  • Polemonium caeruleum 'Days of Thunder'
  • Polemonium caeruleum subsp. caeruleum f. album
  • Polemonium reptans 'Jacob's Gold' (v)
  • Polemonium reptans 'Stairway to Heaven' (PBR) (v)
  • Polemonium yezoense var. hidakanum Bressingham Purple = 'Polbress'
  • Polemonium 'Elworthy Amethyst'
  • Polemonium 'Heaven Scent' (PBR)
  • Polemonium 'Lambrook Mauve'
  • Polemonium 'Northern Lights'
  • Polemonium 'Pink Beauty'
  • Polygonatum biflorum
  • Polygonatum cirrhifolium
  • Polygonatum falcatum A. Gray
  • Polygonatum filipes
  • Polygonatum hookeri
  • Polygonatum humile
  • Polygonatum multiflorum L.
  • Polygonatum odoratum
  • Polygonatum oppositifolium
  • Polygonatum orientale
  • Polygonatum prattii
  • Polygonatum roseum
  • Polygonatum sibiricum
  • Polygonatum stewartianum
  • Polygonatum verticillatum
  • Polygonatum yunnanense
  • Polygonatum zanlanscianense
  • Polygonatum × hybridum 'Striatum' (v)
  • Polygonatum × hybridum 'Weihenstephan'
  • Polygonatum × hybridum 'Welsh Gold' (v)
  • Polygonatum 'Multifide'
  • Polypodium cambricum (Pulcherrimum Group) 'Pulcherrimum Addison'
  • Polypodium cambricum (Semilacerum Group) 'Robustum'
  • Polypodium cambricum 'Cristatum'
  • Polypodium cambricum Pulcherrimum Group bifid
  • Polypodium scouleri
  • Polypodium 'Whitley Giant'
  • Polyspora axillaris
  • Polystichum falcinellum
  • Polystichum mayebarae
  • Polystichum munitum
  • Polystichum neolobatum
  • Polystichum polyblepharum
  • Polystichum setiferum
  • Polystichum setiferum (Divisilobum Group) 'Dahlem'
  • Polystichum setiferum (Divisilobum Group) 'Divisilobum Laxum'
  • Polystichum setiferum (Divisilobum Group) 'Herrenhausen'
  • Polystichum setiferum 'Cristatopinnulum'
  • Polystichum setiferum Divisilobum Group
  • Polystichum setiferum Plumosodivisilobum Group
  • Polystichum tsussimense
  • Polystichum xiphophyllum
  • Populus deltoides 'Purple Tower' (PBR)
  • Potentilla atrosanguinea var. argyrophylla
  • Potentilla fruticosa Bella Sol = 'Hachdon'
  • Potentilla fruticosa Danny Boy = 'Lissdan' (PBR)
  • Potentilla fruticosa Princess = 'Blink'
  • Potentilla fruticosa 'Abbotswood'
  • Potentilla fruticosa 'Chelsea Star'
  • Potentilla fruticosa 'Goldfinger'
  • Potentilla fruticosa 'Hopleys Orange'
  • Potentilla fruticosa 'Katherine Dykes'
  • Potentilla fruticosa 'Limelight'
  • Potentilla fruticosa 'Pink Beauty' (PBR)
  • Potentilla fruticosa 'Primrose Beauty'
  • Potentilla fruticosa 'Red Lady' (PBR)
  • Potentilla fruticosa 'Tangerine'
  • Potentilla fruticosa 'Tilford Cream'
  • Potentilla hippiana
  • Potentilla nepalensis 'Helen Jane'
  • Potentilla nepalensis 'Miss Willmott'
  • Potentilla nepalensis 'Roxana'
  • Potentilla nepalensis 'Shogran'
  • Potentilla × hopwoodiana
  • Potentilla 'Arc-en-ciel'
  • Potentilla 'Blazeaway'
  • Potentilla 'Esta Ann'
  • Potentilla 'Flambeau' (d)
  • Potentilla 'Gibson's Scarlet'
  • Potentilla 'Monsieur Rouillard' (d)
  • Potentilla 'Mont d'Or'
  • Potentilla 'Vogue'
  • Potentilla 'William Rollisson'
  • Pratia pedunculata
  • Primula auricula 'Angostura' (Au/d)
  • Primula auricula 'Arundell' (Au/S/St)
  • Primula auricula 'Astolat' (Au/S)
  • Primula auricula 'Bartl' (Au/A)
  • Primula auricula 'Beeches Variegated' (Au/A/v)
  • Primula auricula 'Blush Baby' (Au/St)
  • Primula auricula 'Bradford City' (Au/A)
  • Primula auricula 'Brazil' (Au/S)
  • Primula auricula 'Chorister' (Au/S)
  • Primula auricula 'Fridl' (Au)
  • Primula auricula 'Gizabroon' (Au/S)
  • Primula auricula 'Hawkwood' (Au/S)
  • Primula auricula 'Hyacinth' (Au/S)
  • Primula auricula 'Jupp' (Au/d)
  • Primula auricula 'Karen Cordrey' (Au/S)
  • Primula auricula 'Pot o' Gold' (Au/S)
  • Primula auricula 'Xavier' (Au/d)
  • Primula beesiana (Pf)
  • Primula bulleyana (Pf)
  • Primula denticulata (De)
  • Primula denticulata 'Bressingham Beauty' (De)
  • Primula denticulata 'Rubin' (De)
  • Primula denticulata var. alba (De)
  • Primula florindae (Si)
  • Primula japonica 'Miller's Crimson' (Pf)
  • Primula japonica 'Postford White' (Pf)
  • Primula polyneura (Co)
  • Primula pulverulenta (Pf)
  • Primula sieboldii 'Andromeda' (Co)
  • Primula sieboldii 'Beeches Star' (Co)
  • Primula sieboldii 'Blue Lagoon' (Co)
  • Primula sieboldii 'Cherubim' (Co)
  • Primula sieboldii 'Frilly Blue' (Co)
  • Primula sieboldii 'Geisha Girl' (Co)
  • Primula sieboldii 'Heart's Desire' (Co)
  • Primula sieboldii 'Mikado' (Co)
  • Primula sieboldii 'Oriental Beauty' (Co)
  • Primula sieboldii 'Seraphim' (Co)
  • Primula sieboldii 'Snowflake' (Co)
  • Primula sikkimensis (Si)
  • Primula vulgaris 'Avondale' (Kennedy Irish Series) (Pr/Prim)
  • Primula vulgaris subsp. sibthorpii (Pr/Prim)
  • Primula × pubescens 'Bewerley White' (Au)
  • Primula 'Barbara Midwinter' (Pr)
  • Primula 'Buckland Wine' (Pr/Prim)
  • Primula 'Francisca' (Pr/Poly)
  • Primula 'Gigha' (Pr/Prim)
  • Primula 'Groenekan's Glorie' (Pr/Prim)
  • Primula 'Guinevere' (Pr/Poly)
  • Primula 'Hall Barn Blue' (Pr/Prim)
  • Primula 'Ingram's Blue' (Pr/Poly)
  • Primula 'Inverewe' (Pf)
  • Primula 'Iris Mainwaring' (Pr/Prim)
  • Primula 'Kinlough Beauty' (Pr/Poly)
  • Primula 'Lady Greer' (Pr/Poly)
  • Primula 'Schneekissen' (Pr/Prim)
  • Primula 'Strong Beer' (Pr/Prim/d)
  • Primula 'Theodora' (Pr)
  • Primula 'Wanda' (Pr/Prim)
  • Prosartes hookeri
  • Prosartes hookeri var. oregana
  • Prosartes smithii
  • Prostanthera cuneata
  • Prostanthera rotundifolia
  • Prunella grandiflora 'Alba'
  • Prunella grandiflora 'Blue Loveliness'
  • Prunella grandiflora 'Carminea'
  • Prunella grandiflora 'Pink Loveliness'
  • Prunus avium 'Plena' (d)
  • Prunus campanulata 'Felix Jury'
  • Prunus cerasifera Crimson Pointe = 'Cripoizam'
  • Prunus cerasifera 'Nigra'
  • Prunus domestica (Reine-Claude Group) 'Willingham Gage' (C/D)
  • Prunus domestica 'Cambridge Gage' (D)
  • Prunus domestica 'Early Rivers' (C)
  • Prunus domestica Old English gage (F)
  • Prunus domestica 'Opal' (D)
  • Prunus domestica 'Victoria' (D)
  • Prunus insititia 'Prune Damson' (C)
  • Prunus insititia 'Shepherd's Bullace' (C)
  • Prunus laurocerasus
  • Prunus laurocerasus 'Green Marble' (v)
  • Prunus laurocerasus 'Otto Luyken'
  • Prunus litigiosa
  • Prunus lusitanica
  • Prunus lusitanica subsp. azorica
  • Prunus persica var. nectarina 'Garden Beauty' (F/d)
  • Prunus sargentii 'Columnaris'
  • Prunus serrula
  • Prunus serrula 'Branklyn'
  • Prunus serrula 'Dorothy Clive'
  • Prunus × cistena
  • Prunus × schmittii
  • Prunus × subhirtella 'Autumnalis'
  • Prunus × subhirtella 'Autumnalis Rosea'
  • Prunus Aprisali (aprium)
  • Prunus Frilly Frock = 'Fpmspl' (v)
  • Prunus Royal Flame = 'Mieke'
  • Prunus 'Accolade' (d)
  • Prunus 'Amanogawa'
  • Prunus 'Aprimira' (miracot) (F)
  • Prunus 'Daikoku'
  • Prunus 'Flavor King' (Pluot Series) (D)
  • Prunus 'Gyoiko'
  • Prunus 'Hally Jolivette'
  • Prunus 'Hokusai'
  • Prunus 'Jacqueline'
  • Prunus 'Kanzan' (d)
  • Prunus 'Kiku-shidare-zakura'
  • Prunus 'Matsumae-fuki'
  • Prunus 'Pandora'
  • Prunus 'Royal Burgundy' (d)
  • Prunus 'Shirotae'
  • Prunus 'Snow Goose'
  • Prunus 'Snow Showers'
  • Prunus 'Sunset Boulevard'
  • Prunus 'Tai-haku'
  • Prunus 'The Bride'
  • Prunus 'Tiltstone Hellfire'
  • Pseudopanax lessonii 'Gold Splash' (v)
  • Pseudopanax (Adiantifolius Group) 'Adiantifolius'
  • Pseudopanax (Adiantifolius Group) 'Cyril Watson'
  • Pseudopanax 'Sabre'
  • Pseudowintera colorata
  • Pterocarya fraxinifolia
  • Ptilostemon diacantha
  • Pulmonaria angustifolia 'Azurea'
  • Pulmonaria angustifolia 'Blaues Meer'
  • Pulmonaria longifolia 'Bertram Anderson'
  • Pulmonaria rubra var. albocorollata
  • Pulmonaria saccharata 'Mrs Moon'
  • Pulmonaria saccharata 'Pink Dawn'
  • Pulmonaria Opal = 'Ocupol'
  • Pulmonaria 'Blue Ensign'
  • Pulmonaria 'Cotton Cool'
  • Pulmonaria 'Diana Clare'
  • Pulmonaria 'Ice Ballet' (Classic Series)
  • Pulmonaria 'Little Star'
  • Pulmonaria 'Majesté'
  • Pulmonaria 'Moonshine' (PBR)
  • Pulmonaria 'Pierre's Pure Pink'
  • Pulmonaria 'Saint Ann's'
  • Pulmonaria 'Sissinghurst White'
  • Pulmonaria 'Trevi Fountain'
  • Pulmonaria 'Weetwood Blue'
  • Pulsatilla halleri
  • Pulsatilla serotina
  • Pulsatilla vulgaris 'Alba'
  • Pulsatilla vulgaris red-flowered
  • Pulsatilla vulgaris subsp. grandis 'Papageno'
  • Pulsatilla vulgaris violet-blue-flowered
  • Pycnanthemum curvipes
  • Pycnanthemum muticum
  • Pycnanthemum pilosum
  • Pycnanthemum virginianum
  • Pyracantha Saphyr Jaune = 'Cadaune'
  • Pyracantha Saphyr Orange = 'Cadange'
  • Pyracantha Saphyr Rouge = 'Cadrou'
  • Pyracantha 'Golden Paradise' (PBR)
  • Pyracantha 'Soleil d'Or'
  • Pyracantha 'Sparkler' (v)
  • Pyrrocoma clementis
  • Pyrus calleryana 'Capital'
  • Pyrus calleryana 'Chanticleer'
  • Pyrus communis 'Beech Hill' (F)
  • Pyrus communis 'Beth' (D)
  • Pyrus communis 'Concorde' (D)
  • Pyrus communis 'Conference' (D)
  • Pyrus communis 'Doyenné du Comice' (D)
  • Pyrus communis 'Obelisk' (D)
  • Pyrus communis 'Onward' (D)
  • Pyrus communis 'Williams' Bon Chrétien' (D/C)
  • Pyrus elaeagrifolia 'Silver Sails'
  • Pyrus nivalis
  • Pyrus pashia
  • Pyrus salicifolia 'Pendula'
  • Quercus castaneifolia 'Green Spire'
  • Quercus coccinea
  • Quercus coccinea 'Splendens'
  • Quercus ilex
  • Quercus palustris Green Pillar = 'Pringreen'
  • Quercus robur
  • Quercus robur Fastigiata Group
  • Quercus rubra
  • Quercus suber
  • Quercus × turneri 'Pseudoturneri'
  • Quercus × warei 'Long'
  • Quillaja saponaria
  • Ranunculus aconitifolius
  • Ranunculus aconitifolius 'Flore Pleno' (d)
  • Ranunculus acris 'Flore Pleno' (d)
  • Ranunculus acris 'Sulphureus'
  • Ranunculus amplexicaulis
  • Ranunculus constantinopolitanus 'Plenus' (d)
  • Ranunculus gramineus
  • Ranunculus repens 'Buttered Popcorn' (v)
  • Ratibida mexicana
  • Rehderodendron macrocarpum
  • Rehmannia elata
  • Rehmannia henryi
  • Reineckea carnea
  • Reineckea incurva
  • Rhamnus alaternus 'Argenteovariegata' (v)
  • Rhaphithamnus spinosus
  • Rheum alexandrae
  • Rheum kialense
  • Rheum palmatum
  • Rheum palmatum var. tanguticum
  • Rheum × hybridum 'Apple Delight'
  • Rheum × hybridum 'Goliath'
  • Rheum × hybridum 'Holsteiner Blut'
  • Rheum × hybridum 'Pink Champagne'
  • Rheum × hybridum 'Timperley Early'
  • Rhodiola kirilowii var. rubra
  • Rhodiola rosea
  • Rhodotypos scandens
  • Rhus potaninii
  • Ribes laurifolium
  • Ribes laurifolium 'Mrs Amy Doncaster'
  • Ribes laurifolium Rosemoor form
  • Ribes nigrum 'Ben Nevis' (B)
  • Ribes nigrum 'Ben Sarek' (B)
  • Ribes nigrum 'Big Ben' (PBR) (B)
  • Ribes odoratum
  • Ribes sanguineum White Icicle = 'Ubric'
  • Ribes sanguineum 'King Edward VII'
  • Ribes sanguineum 'Pulborough Scarlet'
  • Ribes speciosum
  • Ribes uva-crispa 'Hinnonmäki Grön' (D)
  • Ribes uva-crispa 'Hinnonmäki Gul' (D)
  • Ribes uva-crispa 'Hinnonmäki Röd' (C/D)
  • Ribes × beatonii
  • Robinia pseudoacacia 'Frisia'
  • Robinia × margaretta 'Pink Cascade'
  • Rodgersia aesculifolia
  • Rodgersia pinnata 'Candy Clouds' (d)
  • Rodgersia pinnata 'Chocolate Wing'
  • Rodgersia pinnata 'Crûg Cardinal'
  • Rodgersia pinnata 'Elegans'
  • Rodgersia pinnata 'Fireworks' (PBR)
  • Rodgersia pinnata 'Pink Beauty'
  • Rodgersia pinnata 'Snow Clouds'
  • Rodgersia pinnata 'Superba'
  • Rodgersia podophylla 'Rotlaub'
  • Rodgersia podophylla 'Smaragd'
  • Rodgersia sambucifolia 'Mountain Select'
  • Rodgersia 'Borodin'
  • Rodgersia 'Bronze Peacock'
  • Rodgersia 'Die Stolze'
  • Romanzoffia californica
  • Romneya coulteri
  • Romneya coulteri 'White Cloud'
  • Rosa banksiae 'Lutescens' (Ra)
  • Rosa cymosa 'Rebecca Rushforth' (CI)
  • Rosa filipes 'Kiftsgate' (Ra)
  • Rosa gallica 'Versicolor' (G)
  • Rosa glauca Pourr. (S)
  • Rosa helenae
  • Rosa rugosa 'Alba' (Ru)
  • Rosa rugosa 'Rubra' (Ru)
  • Rosa sericea subsp. omeiensis f. pteracantha (S)
  • Rosa xanthina 'Canary Bird' (S)
  • Rosa 'Étoile de Hollande' (HT)
  • Rosa × odorata 'Mutabilis' (Ch)
  • Rosa × odorata 'Viridiflora' (Ch)
  • Rosa A Shropshire Lad = 'Ausled' (PBR) (S)
  • Rosa Awakening = 'Probuzení' (ClHT)
  • Rosa Bonica = 'Meidomonac' (GC)
  • Rosa Bright as a Button = 'Chewsumsigns' (PBR) (S)
  • Rosa Burgundy Ice = 'Prose' (PBR) (F)
  • Rosa Crème de la Crème = 'Gancre' (PBR) (ClHT)
  • Rosa Darcey Bussell = 'Ausdecorum' (PBR) (S)
  • Rosa Duchess of Cornwall = 'Tan97159' (PBR) (HT)
  • Rosa Dunham Massey = 'Beajelly' (S)
  • Rosa Enchantress = 'Tan97281' (PBR) (HT)
  • Rosa Eyes for You = 'Pejbigeye' (F)
  • Rosa Falstaff = 'Ausverse' (PBR) (S)
  • Rosa Flower Carpet White = 'Noaschnee' (GC)
  • Rosa For Your Eyes Only = 'Cheweyesup' (PBR) (S)
  • Rosa Frilly Cuff = 'Beajingle' (S)
  • Rosa Gertrude Jekyll = 'Ausbord' (PBR) (S)
  • Rosa Global Beauty = 'Tan 94448' (HT)
  • Rosa Golden Beauty = 'Korberbeni' (PBR) (F)
  • Rosa Graham Thomas = 'Ausmas' (S)
  • Rosa Iceberg = 'Korbin' (F)
  • Rosa Lavender Ice = 'Tan04249' (PBR) (F)
  • Rosa Leah Tutu = 'Hornavel' (S)
  • Rosa Liliana = 'Poulsyng' (PBR) (S)
  • Rosa Lilli Marlene = 'Korlima' (F)
  • Rosa Malvern Hills = 'Auscanary' (PBR) (Ra)
  • Rosa Margaret Merril = 'Harkuly' (F)
  • Rosa Moment in Time = 'Korcastrav' (PBR) (F)
  • Rosa Munstead Wood = 'Ausbernard' (PBR) (S)
  • Rosa My Girl = 'Tan00798' (PBR) (HT)
  • Rosa Papi Delbard = 'Delaby' (ClHT)
  • Rosa Penny Lane = 'Hardwell' (PBR) (ClHT)
  • Rosa Pink Flower Carpet = 'Noatraum' (GC)
  • Rosa Pink Martini = 'Tan04608' (PBR) (HT)
  • Rosa Proper Job = 'Tan02733' (PBR) (HT)
  • Rosa Pure Poetry = 'Tan04179' (HT)
  • Rosa Rachel = 'Booyol' (S)
  • Rosa Rambling Rosie = 'Horjasper' (PBR) (Ra)
  • Rosa Rhapsody in Blue = 'Frantasia' (PBR) (S)
  • Rosa Sandringham = 'Beamolly' (S)
  • Rosa Snow Goose = 'Auspom' (PBR) (ClS)
  • Rosa Super Fairy = 'Helsufair' (PBR) (Ra)
  • Rosa Tall Story = 'Dickooky' (F)
  • Rosa The Albrighton Rambler = 'Ausmobile' (PBR) (Ra)
  • Rosa The Churchill Rose = 'Horoften' (S)
  • Rosa The Generous Gardener = 'Ausdrawn' (PBR) (Cl)
  • Rosa Togmeister = 'Beahappy' (F)
  • Rosa Trumpeter = 'Mactru' (F)
  • Rosa Whisky Mac = 'Tanky' (HT)
  • Rosa Wollerton Old Hall = 'Ausblanket' (PBR) (Cl)
  • Rosa You're Beautiful = 'Fryracy' (PBR) (F)
  • Rosa 'Aimée Vibert' (N)
  • Rosa 'Albéric Barbier' (Ra)
  • Rosa 'Alexandre Girault' (Ra)
  • Rosa 'Aloha' (ClHT)
  • Rosa 'Arthur Bell' (F)
  • Rosa 'Ballerina' (HM/Poly)
  • Rosa 'Baltimore Belle' (Ra)
  • Rosa 'Baron Girod de l'Ain' (HP)
  • Rosa 'Blanche Double de Coubert' (Ru)
  • Rosa 'Bobbie James' (Ra)
  • Rosa 'Bouquet Tout Fait' (N)
  • Rosa 'Buff Beauty' (HM)
  • Rosa 'Cécile Brünner' (Poly)
  • Rosa 'Céline Forestier' (N)
  • Rosa 'Chloris' (A)
  • Rosa 'Cinderella' (Ra)
  • Rosa 'Climbing Étoile de Hollande' (ClHT)
  • Rosa 'Climbing Iceberg' (ClF)
  • Rosa 'Compassion' (ClHT)
  • Rosa 'Conrad Ferdinand Meyer' (Ru)
  • Rosa 'Constance Spry' (ClS)
  • Rosa 'Cornelia' (HM)
  • Rosa 'Crépuscule' (N)
  • Rosa 'Emily Gray' (Ra)
  • Rosa 'Erfurt' (HM)
  • Rosa 'Félicité Perpétue' (Ra)
  • Rosa 'Felicia' (HM)
  • Rosa 'François Juranville' (Ra)
  • Rosa 'Francis E. Lester' (HM/Ra)
  • Rosa 'Fru Dagmar Hastrup' (Ru)
  • Rosa 'Ghislaine de Féligonde' (HM)
  • Rosa 'Gloire de Dijon' (ClT)
  • Rosa 'Golden Showers' (Cl)
  • Rosa 'Kathleen Harrop' (Bb)
  • Rosa 'Kew Rambler' (Ra)
  • Rosa 'Korresia' (F)
  • Rosa 'Lady Waterlow' (ClHT)
  • Rosa 'Madame Alfred Carrière' (N)
  • Rosa 'New Dawn' (Cl)
  • Rosa 'Noisette Carnée' (N)
  • Rosa 'Notre-Dame de Calais' (Cl)
  • Rosa 'Paul's Himalayan Musk' (Ra)
  • Rosa 'Penelope' (HM)
  • Rosa 'Phyllis Bide' (Ra)
  • Rosa 'Rambling Rector' (Ra)
  • Rosa 'Raymond Carver' (S)
  • Rosa 'René André' (Ra)
  • Rosa 'Roseraie de l'Hay' (Ru)
  • Rosa 'Ruby Wedding' (HT)
  • Rosa 'Rural England' (Ra)
  • Rosa 'Sander's White Rambler' (Ra)
  • Rosa 'Simone' (HT)
  • Rosa 'Souvenir du Docteur Jamain' (ClHP)
  • Rosa 'The Fairy' (Poly)
  • Rosa 'The Garland' (Ra)
  • Rosa 'Tuscany Superb' (G)
  • Rosa 'Veilchenblau' (Ra)
  • Rosa 'Wedding Day' (Ra)
  • Rosa 'White Pet' (Poly)
  • Roscoea auriculata
  • Roscoea auriculata 'Floriade'
  • Roscoea auriculata 'White Cap'
  • Roscoea australis
  • Roscoea humeana 'Stephanie Bloom'
  • Roscoea purpurea f. rubra
  • Roscoea purpurea 'Vincent'
  • Roscoea purpurea 'Wisley Amethyst'
  • Roscoea × beesiana
  • Roscoea × beesiana Cream Group
  • Roscoea × beesiana 'Monique'
  • Roscoea 'Kew Beauty'
  • Rostrinucula dependens
  • Rubus bambusarum
  • Rubus calophyllus
  • Rubus formosensis
  • Rubus fruticosus agg. 'Chester' (B)
  • Rubus fruticosus agg. 'Navaho' (B)
  • Rubus henryi
  • Rubus idaeus 'Alpengold' (PBR) (F)
  • Rubus idaeus 'Autumn Bliss' (F)
  • Rubus idaeus 'Erika' (PBR) (F)
  • Rubus idaeus 'Glen Ample' (PBR) (F)
  • Rubus idaeus 'Glen Clova' (F)
  • Rubus idaeus 'Tulameen' (F)
  • Rubus rosifolius 'Coronarius' (d)
  • Rubus spectabilis 'Olympic Double' (d)
  • Rubus thibetanus
  • Rubus 'Benenden'
  • Rudbeckia fulgida var. deamii
  • Rudbeckia fulgida var. fulgida
  • Rudbeckia fulgida var. speciosa
  • Rudbeckia fulgida var. sullivantii 'Goldsturm'
  • Rudbeckia hirta Autumn Colors (mixed)
  • Rudbeckia hirta 'Cappuccino'
  • Rudbeckia hirta 'Indian Summer'
  • Rudbeckia hirta 'Prairie Sun'
  • Rudbeckia laciniata
  • Rudbeckia laciniata 'Goldquelle' (d)
  • Rudbeckia laciniata 'Hortensia' (d)
  • Rudbeckia laciniata 'Juligold'
  • Rudbeckia occidentalis 'Green Wizard'
  • Rudbeckia subtomentosa 'Henry Eilers'
  • Rudbeckia subtomentosa 'Little Henry' (PBR)
  • Rudbeckia triloba 'Prairie Glow'
  • Rudbeckia Summerina Pecan Pie = 'Et Rdb 401' (PBR) (Summerina Series)
  • Rudbeckia Summerina Pumpernickel = 'Et Rdb 402' (PBR) (Summerina Series)
  • Rudbeckia 'Berlin'
  • Ruellia humilis
  • Ruellia strepens
  • Saccharum ravennae
  • Salix alba 'Golden Ness'
  • Salix alba var. vitellina 'Britzensis' (m)
  • Salix alba var. vitellina 'Yelverton'
  • Salix fargesii
  • Salix gracilistyla 'Mount Aso'
  • Salix hastata 'Wehrhahnii' (m)
  • Salix helvetica
  • Salix integra 'Hakuro-nishiki' (v)
  • Salix nakamurana var. yezoalpina
  • Salix udensis 'Golden Sunshine' (PBR)
  • Salix × sepulcralis 'Erythroflexuosa' (m)
  • Salix × sepulcralis var. chrysocoma
  • Salix 'Coire Kander'
  • Salvia africana
  • Salvia bulleyana 'Blue Lips'
  • Salvia cacaliifolia
  • Salvia clinopodioides
  • Salvia confertiflora
  • Salvia corrugata
  • Salvia elegans
  • Salvia elegans 'Golden Delicious'
  • Salvia forreri
  • Salvia forsskaolii white-flowered
  • Salvia glutinosa
  • Salvia greggii 'Emperor'
  • Salvia greggii 'Flame'
  • Salvia greggii 'Icing Sugar' (PBR)
  • Salvia greggii 'Lipstick'
  • Salvia guaranitica 'Black and Blue'
  • Salvia guaranitica 'Blue Enigma'
  • Salvia hians
  • Salvia hierosolymitana
  • Salvia involucrata 'Bethellii'
  • Salvia involucrata 'Boutin'
  • Salvia involucrata 'Hadspen'
  • Salvia koyamae
  • Salvia lavandulifolia
  • Salvia leucantha 'Purple Velvet'
  • Salvia microphylla 'Cerro Potosí'
  • Salvia microphylla 'Wild Watermelon'
  • Salvia nemorosa Marcus = 'Haeumanarc' (PBR)
  • Salvia nemorosa Sensation Deep Blue = 'Florsaldblue' (Sensation Series)
  • Salvia nemorosa 'Amethyst'
  • Salvia nemorosa 'Blaureiter'
  • Salvia nemorosa 'Caradonna'
  • Salvia nemorosa 'Ostfriesland'
  • Salvia nemorosa 'Pusztaflamme'
  • Salvia nipponica
  • Salvia officinalis
  • Salvia officinalis 'Icterina' (v)
  • Salvia officinalis 'Purpurascens'
  • Salvia officinalis 'Tricolor' (v)
  • Salvia patens
  • Salvia patens Oceana Blue = 'Salsyll'
  • Salvia patens 'Cambridge Blue'
  • Salvia pratensis 'Lapis Lazuli'
  • Salvia pratensis 'Pink Delight' (PBR)
  • Salvia pratensis 'Swan Lake' (Ballet Series)
  • Salvia pratensis 'Sweet Esmeralda' (Ballet Series)
  • Salvia pratensis 'Twilight Serenade' (Ballet Series)
  • Salvia procurrens
  • Salvia rosmarinus (Ro)
  • Salvia rosmarinus 'Green Ginger' (Ro)
  • Salvia rosmarinus 'Miss Jessopp's Upright' (Ro)
  • Salvia rosmarinus Prostrata Group (Ro)
  • Salvia rosmarinus 'Roman Beauty' (PBR) (Ro)
  • Salvia rosmarinus 'Sissinghurst Blue' (Ro)
  • Salvia sagittata
  • Salvia scabra
  • Salvia sclarea var. turkestaniana 'Vatican White'
  • Salvia serboana
  • Salvia somalensis
  • Salvia stachydifolia
  • Salvia uliginosa
  • Salvia uliginosa 'Ballon Azul'
  • Salvia verticillata 'Alba'
  • Salvia verticillata 'Purple Rain'
  • Salvia verticillata 'Smouldering Torches'
  • Salvia virgata Jacq.
  • Salvia × jamensis 'Golden Girl'
  • Salvia × jamensis 'La Siesta'
  • Salvia × jamensis 'Melen' (PBR)
  • Salvia × superba
  • Salvia × superba 'Lyon Rose'
  • Salvia × superba 'Merleau Rose'
  • Salvia × superba 'Rosea'
  • Salvia × sylvestris 'Dear Anja'
  • Salvia × sylvestris 'Mainacht'
  • Salvia × sylvestris 'Negrito'
  • Salvia × sylvestris 'Schneehügel'
  • Salvia × sylvestris 'Tänzerin'
  • Salvia × sylvestris 'Viola Klose'
  • Salvia Black & Bloom = 'Balsaloom'
  • Salvia Ember's Wish = 'Sal 0101' (PBR)
  • Salvia Lacey Blue = 'Lisslitt' (PBR) (Pe)
  • Salvia Mirage Soft Pink = 'Balmirsopin' (Mirage Series)
  • Salvia 'Amante'
  • Salvia 'Amistad' (PBR)
  • Salvia 'Belhaven'
  • Salvia 'Blue Note' (PBR)
  • Salvia 'Blue Spire' (Pe)
  • Salvia 'Christine Yeo'
  • Salvia 'Clotted Cream'
  • Salvia 'Crème Caramel'
  • Salvia 'Endless Love'
  • Salvia 'Eveline'
  • Salvia 'Hot Lips'
  • Salvia 'Kisses and Wishes'
  • Salvia 'Little Spire' (PBR) (Pe)
  • Salvia 'Mulberry Jam'
  • Salvia 'Nachtvlinder'
  • Salvia 'Nel'
  • Salvia 'Neon'
  • Salvia 'Phyllis' Fancy'
  • Salvia 'Purple Queen'
  • Salvia 'Red Swing' (PBR)
  • Salvia 'Silas Dyson'
  • Salvia 'Silke's Dream'
  • Salvia 'Theresia'
  • Salvia 'Trelissick'
  • Salvia 'Violin Music' (PBR)
  • Salvia 'Waverly'
  • Salvia 'Wendy's Wish' (PBR)
  • Sambucus ebulus
  • Sambucus nigra f. laciniata
  • Sambucus nigra f. porphyrophylla Black Tower = 'Eiffel 1' (PBR)
  • Sambucus nigra f. porphyrophylla 'Eva' (PBR)
  • Sambucus nigra f. porphyrophylla 'Gerda' (PBR)
  • Sambucus nigra 'Serenade'
  • Sambucus racemosa 'Sutherland Gold'
  • Sambucus 'Chocolate Marzipan'
  • Sanguinaria canadensis f. multiplex 'Plena' (d)
  • Sanguisorba canadensis
  • Sanguisorba dodecandra
  • Sanguisorba hakusanensis
  • Sanguisorba obtusa
  • Sanguisorba obtusa white-flowered
  • Sanguisorba officinalis 'Arnhem'
  • Sanguisorba officinalis 'Crimson Queen'
  • Sanguisorba officinalis 'Lemon Splash' (v)
  • Sanguisorba officinalis 'Martin's Mulberry'
  • Sanguisorba officinalis 'Morning Select'
  • Sanguisorba officinalis 'Red Thunder'
  • Sanguisorba officinalis 'Shiro-fukurin' (v)
  • Sanguisorba stipulata
  • Sanguisorba tenuifolia 'Bordeaux'
  • Sanguisorba tenuifolia 'Pink Elephant'
  • Sanguisorba tenuifolia 'Purpurea'
  • Sanguisorba tenuifolia var. alba
  • Sanguisorba tenuifolia var. purpurea
  • Sanguisorba 'Cangshan Cranberry'
  • Sanguisorba 'Chocolate Tip'
  • Sanguisorba 'Little Angel'
  • Sanguisorba 'Pink Tanna'
  • Sanguisorba 'Rock and Roll'
  • Sanguisorba 'Tanna'
  • Santolina chamaecyparissus
  • Santolina chamaecyparissus 'Lambrook Silver'
  • Santolina chamaecyparissus 'Pretty Carroll'
  • Santolina pinnata subsp. neapolitana 'Edward Bowles'
  • Santolina rosmarinifolia 'Lemon Fizz'
  • Saponaria ocymoides
  • Saponaria officinalis 'Alba Plena' (d)
  • Saponaria officinalis 'Rosea Plena' (d)
  • Saponaria × lempergii 'Max Frei'
  • Sarcococca confusa
  • Sarcococca hookeriana Winter Gem = 'Pmoore03' (PBR)
  • Sarcococca hookeriana var. digyna 'Purple Stem'
  • Sarcococca hookeriana var. humilis
  • Sarcococca orientalis
  • Sarcococca ruscifolia
  • Sarcococca ruscifolia var. chinensis 'Dragon Gate'
  • Sarcococca saligna
  • Sarcococca aff. wallichii
  • Sauromatum venosum
  • Saxifraga Black Ruby (fortunei) (5)
  • Saxifraga Crystal Pink (fortunei) (5/v)
  • Saxifraga 'Gelbes Monster' (fortunei) (5)
  • Saxifraga 'Hiten' (fortunei) (5)
  • Saxifraga 'Maigrün' (fortunei) (5)
  • Saxifraga 'Maroon Beauty' (stolonifera) (5)
  • Saxifraga 'Pink Pagoda' (nipponica) (5)
  • Saxifraga 'Sibyll Trelawney JP' (fortunei) (5)
  • Saxifraga 'Variegata' (× urbium) (11/v)
  • Scabiosa caucasica 'Clive Greaves'
  • Scabiosa caucasica 'Miss Willmott'
  • Scabiosa caucasica 'Stäfa'
  • Scabiosa columbaria
  • Scabiosa graminifolia
  • Scabiosa japonica var. alpina
  • Scabiosa japonica var. alpina 'Blue Star'
  • Scabiosa rhodopensis
  • Scabiosa 'Barocca'
  • Scabiosa 'Butterfly Blue'
  • Scabiosa 'Pink Mist'
  • Scabiosa 'Vivid Vi' (PBR)
  • Schefflera alpina
  • Schefflera gracilis
  • Schefflera rhododendrifolia
  • Schefflera taiwaniana
  • Schima argentea
  • Schima khasiana
  • Schisandra sphenanthera
  • Schizachyrium scoparium 'Cairo'
  • Schizophragma hydrangeoides
  • Schizophragma hydrangeoides 'Rose Sensation'
  • Schizophragma integrifolium
  • Scilla peruviana
  • Scilla peruviana 'White Moon'
  • Scopolia carniolica var. brevifolia
  • Scutellaria maekawae
  • Selaginella helvetica
  • Selinum filicifolium
  • Selinum wallichianum
  • Semiaquilegia ecalcarata
  • Senecio seminiveus
  • Senna marilandica
  • Serratula tinctoria var. seoanei
  • Seseli libanotis
  • Seseli montanum
  • Sesleria autumnalis
  • Sesleria caerulea 'Malvern Mop'
  • Sesleria sadleriana
  • Sida hermaphrodita
  • Sidalcea 'Croftway Red'
  • Sidalcea 'Elsie Heugh'
  • Sidalcea 'Little Princess' (PBR)
  • Sidalcea 'Loveliness'
  • Sidalcea 'Oberon'
  • Sidalcea 'Party Girl'
  • Sidalcea 'Rose Queen'
  • Sidalcea 'William Smith'
  • Sidalcea 'Wine Red'
  • Silene dioica
  • Silene dioica 'Rollie's Favorite' (PBR)
  • Silene dioica 'Valley High' (v)
  • Silene fimbriata
  • Silphium laciniatum
  • Silphium perfoliatum
  • Sinopodophyllum hexandrum
  • Siphocranion macranthum
  • Sisyrinchium striatum
  • Sisyrinchium 'Californian Skies'
  • Sisyrinchium 'E.K. Balls'
  • Skimmia japonica 'Attraction'
  • Skimmia japonica 'Fragrans' (m)
  • Skimmia japonica 'Rubella' (m)
  • Skimmia japonica 'Snow White' (PBR) (m)
  • Skimmia japonica 'Thereza' (PBR) (m)
  • Skimmia japonica 'Wakehurst White' (f)
  • Skimmia × confusa 'Kew Green' (m)
  • Smyrnium perfoliatum
  • Solanum crispum 'Glasnevin'
  • Solanum laxum
  • Solanum laxum 'Album'
  • Solanum laxum 'Aureovariegatum' (v)
  • Soldanella alpina
  • Solidago caesia
  • Solidago flexicaulis 'Variegata' (v)
  • Solidago × luteus
  • Solidago × luteus 'Lemore'
  • Solidago 'Goldkind'
  • Solidago 'Little Lemon' (PBR)
  • Solidago 'Yellow Stone'
  • Sollya heterophylla
  • Sophora davidii
  • Sophora molloyi 'Dragon's Gold'
  • Sorbaria sorbifolia 'Sem' (PBR)
  • Sorbus alnifolia 'Red Bird'
  • Sorbus aria × pseudovilmorinii
  • Sorbus aria 'Lutescens'
  • Sorbus aria 'Majestica'
  • Sorbus aucuparia 'Aspleniifolia'
  • Sorbus aucuparia 'Fingerprint' (PBR)
  • Sorbus aucuparia 'Sheerwater Seedling'
  • Sorbus caloneura
  • Sorbus carmesina
  • Sorbus commixta 'Ravensbill'
  • Sorbus folgneri 'Lemon Drop'
  • Sorbus forrestii
  • Sorbus japonica
  • Sorbus keissleri
  • Sorbus matsumurana (Makino) Koehne
  • Sorbus needhamii
  • Sorbus pseudohupehensis
  • Sorbus pseudovilmorinii
  • Sorbus randaiensis
  • Sorbus rosea
  • Sorbus rushforthii
  • Sorbus sargentiana
  • Sorbus torminalis
  • Sorbus ulleungensis 'Olympic Flame'
  • Sorbus vilmorinii
  • Sorbus wardii
  • Sorbus Autumn Spire = 'Flanrock'
  • Sorbus aff. karchungii
  • Sorbus aff. ovalis
  • Sorbus 'Amber Light'
  • Sorbus 'Chinese Lace'
  • Sorbus 'Copper Kettle'
  • Sorbus 'Ghose'
  • Sorbus 'Glendoick Spire'
  • Sorbus 'John Mitchell'
  • Sorbus 'Joseph Rock'
  • Sorbus 'Matthew Ridley'
  • Sorbus 'Rowancroft Coral Pink'
  • Spigelia marilandica
  • Spiraea japonica 'Anthony Waterer' (v)
  • Spiraea japonica 'Firelight'
  • Spiraea japonica 'Froebelii'
  • Spiraea japonica 'Gold Mound'
  • Spiraea japonica 'Little Princess'
  • Spiraea nipponica 'Snowmound'
  • Spiraea 'Arguta'
  • Sporobolus heterolepis
  • Sporobolus heterolepis 'Wisconsin Strain'
  • Stachys byzantina
  • Stachys byzantina 'Big Ears'
  • Stachys monieri ambig. white-flowered
  • Stachys monieri 'Rosea'
  • Stachyurus chinensis
  • Stachyurus praecox
  • Stachyurus salicifolius
  • Stachyurus sigeyosii
  • Stachyurus 'Rubriflorus'
  • Staphylea trifolia
  • Stauntonia hexaphylla
  • Stenanthium gramineum
  • Stephanandra incisa 'Crispa'
  • Stephanandra tanakae
  • Stewartia pseudocamellia
  • Stewartia rostrata
  • Stipa calamagrostis
  • Stipa gigantea
  • Stipa gigantea 'Pixie'
  • Stipa pseudoichu
  • Stipa tenuissima
  • Stokesia laevis 'Blue Star'
  • Stokesia laevis 'Mary Gregory'
  • Stokesia laevis 'Purple Parasols'
  • Stokesia laevis 'Träumerei'
  • Streptopus amplexifolius
  • Streptopus streptopoides
  • Strobilanthes attenuata
  • Strobilanthes attenuata 'Blue and White'
  • Strobilanthes nutans
  • Strobilanthes wallichii
  • Styphnolobium japonicum 'China Gold'
  • Styrax wilsonii
  • Succisa pratensis
  • Succisella inflexa 'Frosted Pearls'
  • Sycopsis sinensis
  • Symphoricarpos × chenaultii 'Hancock'
  • Symphoricarpos × doorenbosii 'Magic Berry'
  • Symphyotrichum cordifolium 'Elegans'
  • Symphyotrichum ericoides 'Cinderella'
  • Symphyotrichum ericoides 'Erlkönig'
  • Symphyotrichum ericoides 'Golden Spray'
  • Symphyotrichum greatae
  • Symphyotrichum laeve 'Calliope'
  • Symphyotrichum laeve 'Climax'
  • Symphyotrichum lateriflorum var. horizontale
  • Symphyotrichum novae-angliae 'Andenken an Alma Pötschke'
  • Symphyotrichum novae-angliae 'Barr's Blue'
  • Symphyotrichum novae-angliae 'Barr's Pink'
  • Symphyotrichum novae-angliae 'Constanze'
  • Symphyotrichum novae-angliae 'Harrington's Pink'
  • Symphyotrichum novae-angliae 'Herbstflieder'
  • Symphyotrichum novae-angliae 'Herbstschnee'
  • Symphyotrichum novae-angliae 'Rubinschatz'
  • Symphyotrichum novi-belgii 'Ada Ballard'
  • Symphyotrichum novi-belgii 'Fellowship'
  • Symphyotrichum novi-belgii 'Patricia Ballard' (d)
  • Symphyotrichum novi-belgii 'Royal Ruby'
  • Symphyotrichum oblongifolium 'October Skies'
  • Symphyotrichum turbinellum Lindl.
  • Symphyotrichum 'Anja's Choice'
  • Symphyotrichum 'Ann Leys' (PBR)
  • Symphyotrichum 'Coombe Fishacre'
  • Symphyotrichum 'Little Carlow' (cordifolium hybrid)
  • Symphyotrichum 'Ochtendgloren' (pilosum var pringlei hybrid)
  • Symphyotrichum 'Pixie Dark Eye' (ericoides hybrid)
  • Symphyotrichum 'Pixie Red Eye' (ericoides hybrid)
  • Symphyotrichum 'Sunhelene'
  • Symphytum azureum
  • Symphytum ibericum 'All Gold'
  • Symphytum officinale
  • Symphytum orientale
  • Symphytum 'Goldsmith' (v)
  • Symphytum 'Langthorns Pink'
  • Synthyris missurica subsp. missurica
  • Synthyris missurica subsp. stellata
  • Syringa meyeri 'Palibin'
  • Syringa pubescens subsp. microphylla 'Superba'
  • Syringa tomentella
  • Syringa vulgaris 'Andenken an Ludwig Späth'
  • Syringa vulgaris 'Charles Joly' (d)
  • Syringa vulgaris 'Madame Lemoine' (d)
  • Syringa vulgaris 'Nadezhda' (d)
  • Syringa vulgaris 'Primrose'
  • Syringa vulgaris 'Sensation'
  • Syringa × laciniata Mill.
  • Syringa 'Red Pixie'
  • Tamarix ramosissima
  • Tamarix ramosissima 'Pink Cascade'
  • Tamarix tetrandra
  • Tanacetum balsamita
  • Tanacetum coccineum 'H.M. Pike'
  • Tanacetum coccineum Robinson's pink-flowered
  • Tanacetum macrophyllum (Waldst. & Kit.) Sch.Bip.
  • Tanacetum vulgare 'Silver Lace' (v)
  • Tanacetum vulgare var. crispum
  • Tectona grandis
  • Telekia speciosa
  • Tellima grandiflora
  • Tellima grandiflora 'Forest Frost'
  • Tetradium daniellii
  • Teucrium flavum
  • Teucrium fruticans
  • Teucrium fruticans 'Azureum'
  • Teucrium fruticans 'Compactum'
  • Teucrium hircanicum
  • Teucrium hircanicum 'Purple Tails'
  • Teucrium scorodonia 'Crispum Marginatum' (v)
  • Teucrium × lucidrys
  • Thalictrum aquilegiifolium
  • Thalictrum aquilegiifolium 'Album'
  • Thalictrum aquilegiifolium 'Thundercloud'
  • Thalictrum cultratum
  • Thalictrum delavayi
  • Thalictrum delavayi 'Album'
  • Thalictrum delavayi 'Ankum'
  • Thalictrum delavayi 'Gold Laced'
  • Thalictrum delavayi 'Hewitt's Double' (d)
  • Thalictrum diffusiflorum
  • Thalictrum flavum
  • Thalictrum flavum subsp. glaucum
  • Thalictrum ichangense
  • Thalictrum isopyroides
  • Thalictrum kiusianum
  • Thalictrum lucidum
  • Thalictrum minus subsp. kemense
  • Thalictrum rochebruneanum
  • Thalictrum squarrosum
  • Thalictrum uchiyamae
  • Thalictrum Splendide White = 'Fr21034' (PBR)
  • Thalictrum 'Anne' (PBR)
  • Thalictrum 'Black Stockings'
  • Thalictrum 'Elin'
  • Thalictrum 'Splendide'
  • Thelypteris kunthii
  • Thelypteris palustris
  • Thermopsis chinensis
  • Thermopsis lanceolata
  • Thermopsis macrophylla
  • Thermopsis montana var. montana
  • Thladiantha dubia
  • Thunbergia alata Arizona Rose Sensation = 'Volthu7898' (PBR) (Arizona Series)
  • Tiarella cordifolia
  • Tiarella wherryi
  • Tiarella 'Iron Butterfly' (PBR) (v)
  • Tiarella 'Tiger Stripe'
  • Tigridia orthantha 'Red-Hot Tiger'
  • Tilia chingiana
  • Tilia cordata 'Len Parvin'
  • Tilia cordata 'Winter Orange'
  • Tilia dasystyla subsp. caucasica
  • Tilia henryana
  • Tilia japonica
  • Tilia mexicana
  • Tilia miqueliana
  • Tilia oliveri
  • Tilia × euchlora
  • Tilia × europaea 'Wratislaviensis'
  • Tilia × moltkei
  • Tinantia pringlei
  • Toona sinensis
  • Trachelospermum asiaticum
  • Trachelospermum asiaticum 'Golden Memories'
  • Trachelospermum jasminoides
  • Trachelospermum jasminoides 'Major'
  • Trachelospermum jasminoides 'Variegatum' (v)
  • Trachystemon orientalis
  • Tradescantia (Andersoniana Group) 'Iris Prichard'
  • Tradescantia (Andersoniana Group) 'Isis'
  • Tradescantia (Andersoniana Group) 'Mac's Double' (d)
  • Tradescantia (Andersoniana Group) 'Sylvana'
  • Tradescantia 'Angel Eyes'
  • Trautvetteria carolinensis var. occidentalis
  • Tricyrtis formosana 'Samurai' (v)
  • Tricyrtis formosana 'Seiryu'
  • Tricyrtis hirta
  • Tricyrtis hirta 'Albomarginata' (v)
  • Tricyrtis hirta 'Variegata' (v)
  • Tricyrtis ishiiana
  • Tricyrtis Hototogisu
  • Tricyrtis 'Sinonome'
  • Tricyrtis 'Tojen'
  • Trifolium macrocephalum
  • Trifolium ochroleucon
  • Trifolium pratense 'Susan Smith' (v)
  • Trifolium rubens
  • Trifolium trichocephalum
  • Trillium catesbyi
  • Trillium cuneatum
  • Trillium erectum
  • Trillium erectum × flexipes
  • Trillium govanianum
  • Trillium grandiflorum
  • Trillium luteum
  • Trillium recurvatum
  • Trillium viridescens
  • Triosteum pinnatifidum
  • Tripterygium wilfordii
  • Tristagma nivale
  • Triteleia 'Corrina'
  • Trollius chinensis 'Golden Queen'
  • Trollius europaeus
  • Trollius farreri var. farreri
  • Trollius laxus 'Albiflorus'
  • Trollius vaginatus
  • Trollius yunnanensis var. yunnanensis
  • Trollius × cultorum 'Alabaster'
  • Trollius × cultorum 'Goldquelle'
  • Tropaeolum polyphyllum
  • Tropaeolum sessilifolium
  • Tropaeolum speciosum
  • Tulbaghia cernua
  • Tulbaghia montana
  • Tulbaghia violacea
  • Tulbaghia violacea 'Alba'
  • Tulbaghia violacea 'Pallida'
  • Tulbaghia violacea 'Silver Lace' (v)
  • Tulbaghia 'Cosmic'
  • Typhonium roxburghii
  • Ugni molinae
  • Ugni molinae 'Butterball'
  • Ugni molinae 'Flambeau' (v)
  • Ulmus villosa
  • Ulmus × hollandica 'Jacqueline Hillier'
  • Uncinia egmontiana
  • Uncinia rubra
  • Uncinia rubra 'Belinda's Find' (PBR)
  • Uvularia grandiflora
  • Uvularia grandiflora var. pallida
  • Uvularia perfoliata
  • Vaccinium cylindraceum
  • Vaccinium glaucoalbum
  • Vaccinium 'Pink Lemonade' (F)
  • Valeriana officinalis
  • Valeriana phu 'Aurea'
  • Valeriana pyrenaica
  • Vancouveria hexandra
  • Veratrum californicum
  • Veratrum formosanum
  • Veratrum maackii
  • Veratrum nigrum
  • Veratrum viride
  • Verbascum pyramidatum
  • Verbascum (Cotswold Group) 'Royal Highland'
  • Verbascum 'Christo's Yellow Lightning'
  • Verbena bonariensis
  • Verbena bonariensis 'Lollipop' (PBR)
  • Verbena hastata
  • Verbena lasiostachys
  • Verbena officinalis
  • Verbena officinalis var. grandiflora 'Bampton'
  • Verbena rigida
  • Verbena rigida f. lilacina 'Polaris'
  • Verbena stricta
  • Verbesina alternifolia
  • Vernonia arkansana
  • Vernonia arkansana 'Alba'
  • Vernonia arkansana 'Mammuth'
  • Vernonia baldwinii
  • Vernonia lettermannii 'Iron Butterfly'
  • Vernonia noveboracensis
  • Vernonia noveboracensis 'White Lightning'
  • Veronica austriaca subsp. teucrium
  • Veronica austriaca subsp. teucrium 'Crater Lake Blue'
  • Veronica austriaca subsp. teucrium 'Royal Blue'
  • Veronica gentianoides
  • Veronica gentianoides 'Tissington White'
  • Veronica gentianoides 'Variegata' (v)
  • Veronica grandis
  • Veronica kiusiana
  • Veronica longifolia 'Antarctica'
  • Veronica longifolia 'Candied Candle'
  • Veronica longifolia 'Charlotte' (PBR) (v)
  • Veronica longifolia 'Pink Eveline' (PBR)
  • Veronica longifolia 'Schneeriesin'
  • Veronica prostrata Goldwell = 'Verbrig' (v)
  • Veronica spicata
  • Veronica spicata 'Heidekind'
  • Veronica spicata 'Romiley Purple'
  • Veronica spicata 'Ulster Blue Dwarf'
  • Veronica umbrosa 'Georgia Blue'
  • Veronica × cantiana 'Kentish Pink'
  • Veronica 'Purpleicious Harmony' (PBR)
  • Veronica 'Sunny Border Blue'
  • Veronicastrum sibiricum
  • Veronicastrum virginicum
  • Veronicastrum virginicum 'Album'
  • Veronicastrum virginicum 'Apollo'
  • Veronicastrum virginicum 'Cupid'
  • Veronicastrum virginicum 'Diane'
  • Veronicastrum virginicum f. roseum 'Pink Glow'
  • Veronicastrum virginicum 'Fascination'
  • Veronicastrum virginicum 'Lavendelturm'
  • Veronicastrum virginicum 'Spring Dew'
  • Veronicastrum 'Adoration'
  • Veronicastrum 'Red Arrows'
  • Vesalea floribunda
  • Viburnum atrocyaneum
  • Viburnum betulifolium
  • Viburnum buddlejifolium
  • Viburnum carlesii 'Aurora'
  • Viburnum carlesii 'Diana'
  • Viburnum cassinoides
  • Viburnum davidii
  • Viburnum davidii 'Angustifolium'
  • Viburnum dentatum Blue Muffin = 'Christom'
  • Viburnum farreri
  • Viburnum farreri 'Candidissimum'
  • Viburnum hoanglienense
  • Viburnum japonicum
  • Viburnum luzonicum var. oblongum
  • Viburnum odoratissimum Ker Gawl.
  • Viburnum odoratissimum var. arboricola
  • Viburnum opulus 'Compactum'
  • Viburnum opulus 'Park Harvest'
  • Viburnum opulus 'Roseum'
  • Viburnum opulus 'Xanthocarpum'
  • Viburnum plicatum f. tomentosum Kilimanjaro = 'Jww1' (PBR)
  • Viburnum plicatum f. tomentosum 'Lanarth'
  • Viburnum plicatum f. tomentosum 'Mariesii'
  • Viburnum plicatum f. tomentosum 'Pink Beauty'
  • Viburnum sambucinum
  • Viburnum sargentii 'Onondaga'
  • Viburnum tinus
  • Viburnum tinus 'Eve Price'
  • Viburnum tinus 'French White'
  • Viburnum tinus 'Gwenllian'
  • Viburnum tinus 'Lisarose' (PBR)
  • Viburnum tinus 'Purpureum'
  • Viburnum tinus 'Variegatum' (v)
  • Viburnum × bodnantense
  • Viburnum × bodnantense 'Charles Lamont'
  • Viburnum × bodnantense 'Dawn'
  • Viburnum × burkwoodii
  • Viburnum × burkwoodii 'Park Farm Hybrid'
  • Viburnum × hillieri 'Winton'
  • Viburnum × juddii
  • Viburnum aff. calvum
  • Viburnum 'Eskimo'
  • Vicia americana
  • Vinca difformis 'Jenny Pym'
  • Vinca minor 'Atropurpurea'
  • Vinca minor 'Aureovariegata' (v)
  • Vinca minor 'Bowles's Variety'
  • Vinca minor f. alba 'Gertrude Jekyll'
  • Vinca minor 'Illumination' (v)
  • Vincetoxicum fuscatum
  • Vincetoxicum hirundinaria
  • Vincetoxicum nigrum
  • Viola odorata (Vt)
  • Viola odorata 'Alba' (Vt)
  • Viola odorata 'Dawnie' (Vt)
  • Viola riviniana Purpurea Group
  • Viola sororia 'Dark Freckles' (Vt)
  • Viola sororia 'Freckles' (Vt)
  • Viola 'Candy' (Vt)
  • Viola 'Coeur d'Alsace' (Vt)
  • Viola 'Jackanapes' (Va)
  • Viola 'Parme de Toulouse' (dPVt)
  • Vitex agnus-castus
  • Vitex agnus-castus f. alba 'Silver Spire'
  • Vitis vinifera 'Cabernet Sauvignon' (O/B)
  • Vitis vinifera 'Incana' (O/B)
  • Vitis vinifera 'Purpurea' (O/B)
  • Vitis vinifera 'Sauvignon Blanc' (O/W)
  • Vitis 'Brant' (O/B)
  • Wachendorfia thyrsiflora
  • Waldsteinia ternata
  • Waldsteinia ternata 'Mozaick' (v)
  • Watsonia angusta
  • Watsonia borbonica 'Peach Glow'
  • Watsonia meriana
  • Watsonia meriana var. bulbillifera
  • Watsonia transvaalensis
  • Watsonia × longifolia
  • Watsonia 'Dart Sea Trout'
  • Watsonia 'Peachy Pink Orphan'
  • Watsonia pink-flowered
  • Watsonia 'Tresco Dwarf Pink'
  • Weigela florida Monet = 'Verweig' (PBR) (v)
  • Weigela middendorffiana
  • Weigela Black and White = 'Courtacad1' (PBR)
  • Weigela 'Bristol Ruby'
  • Weigela 'Florida Variegata' (v)
  • Weigela 'Kosteriana Variegata' (v)
  • Weigela 'Red Prince'
  • Wisteria brachybotrys f. albiflora 'Shiro-kapitan'
  • Wisteria floribunda 'Domino'
  • Wisteria floribunda 'Ed's Blue Dragon' (d)
  • Wisteria floribunda f. alba 'Shiro-noda'
  • Wisteria floribunda f. multijuga
  • Wisteria floribunda f. rosea 'Hon-beni'
  • Wisteria floribunda 'Harlequin'
  • Wisteria floribunda 'Yae-kokuryu' (d)
  • Wisteria sinensis 'Prolific'
  • Woodsia obtusa
  • Woodwardia fimbriata
  • Wulfenia baldaccii
  • Wulfenia carinthiaca
  • Wulfenia × schwarzii
  • Xanthoceras sorbifolium
  • Ypsilandra thibetica
  • Yucca elephantipes variegated (v)
  • Yucca filamentosa
  • Yucca flaccida 'Golden Sword' (v)
  • Zantedeschia aethiopica 'Childsiana'
  • Zantedeschia aethiopica 'Crowborough'
  • Zantedeschia aethiopica 'Glencoe'
  • Zantedeschia aethiopica 'Green Goddess'
  • Zanthoxylum giraldii
  • Zelkova serrata
  • Zelkova serrata 'Kiwi Sunset' (PBR)
  • Zephyranthes candida
  • Zigadenus elegans

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