• 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

Rosemoor Plant Centre (RHS)

  • × Fatshedera lizei
  • × Fatshedera lizei 'Aurea' (v)
  • × Halimiocistus sahucii
  • × Halimiocistus wintonensis
  • × Heucherella 'Alabama Sunrise' (PBR)
  • × Heucherella 'Brass Lantern' (PBR)
  • × Heucherella 'Kimono' (PBR)
  • × Heucherella 'Solar Eclipse'
  • × Heucherella 'Solar Power' (PBR)
  • × Heucherella 'Stoplight' (PBR)
  • × Heucherella 'Sweet Tea' (PBR)
  • × Heucherella 'Tapestry' (PBR)
  • × Rhodoxis hybrida 'Hebron Farm Pink'
  • × Rhodoxis 'Hebron Farm Cerise'
  • Abelia engleriana
  • Abelia mosanensis
  • Abelia parvifolia 'Bumblebee'
  • Abelia × grandiflora
  • Abelia × grandiflora Confetti = 'Conti' (PBR) (v)
  • Abelia × grandiflora 'Francis Mason' (v)
  • Abelia × grandiflora 'Hopleys' (PBR) (v)
  • Abelia × grandiflora 'Kaleidoscope' (PBR) (v)
  • Abelia 'Edward Goucher'
  • Abeliophyllum distichum
  • Abeliophyllum distichum Roseum Group
  • Abutilon 'Cynthia Pike' (v)
  • Abutilon 'Kentish Belle'
  • Abutilon 'Marion'
  • Abutilon 'Tango'
  • Acaena saccaticupula 'Blue Haze'
  • Acanthophyllum cerastioides
  • Acanthus hungaricus
  • Acanthus mollis
  • Acanthus spinosus L.
  • Acanthus 'Hollande du Nort'
  • Acer griseum
  • Acer palmatum Going Green = 'Sonkootgre' (PBR)
  • Acer palmatum 'Beni-maiko' (P)
  • Acer palmatum 'Beni-schichi-henge' (P/v)
  • Acer palmatum 'Bi Ho' (P)
  • Acer palmatum 'Bloodgood' (A)
  • Acer palmatum 'Crimson Princess' (D)
  • Acer palmatum 'Crimson Queen' (D)
  • Acer palmatum 'Dissectum Atropurpureum' (D)
  • Acer palmatum Dissectum Viride Group
  • Acer palmatum 'Emerald Lace' (D)
  • Acer palmatum 'Firecracker' (PBR) (D)
  • Acer palmatum 'Fireglow' (A)
  • Acer palmatum 'Garnet' (D)
  • Acer palmatum 'Jerre Schwartz' (Dw)
  • Acer palmatum 'Katsura' (P)
  • Acer palmatum 'Marlo' (PBR) (D)
  • Acer palmatum 'Orange Dream' (P)
  • Acer palmatum 'Osakazuki' (A)
  • Acer palmatum 'Pévé Dave'
  • Acer palmatum 'Red Pygmy' (L)
  • Acer palmatum 'Redwine' (PBR) (P)
  • Acer palmatum 'Sango-kaku' (P)
  • Acer palmatum 'Seiryu' (D)
  • Acer palmatum 'Shaina' (P)
  • Acer palmatum 'Shin-deshojo' (P)
  • Acer palmatum 'Sumi-nagashi' (M)
  • Acer palmatum 'Summer Gold' (P)
  • Acer palmatum 'Taylor' (PBR) (P/v)
  • Acer palmatum 'Trompenburg' (M)
  • Acer palmatum 'Wilson's Pink Dwarf' (Dw)
  • Acer shirasawanum 'Aureum'
  • Acer shirasawanum 'Jordan'
  • Acer 'Red Flamingo' (v)
  • Achillea filipendulina 'Cloth of Gold'
  • Achillea filipendulina 'Gold Plate'
  • Achillea millefolium 'Lansdorferglut'
  • Achillea millefolium 'Pink Grapefruit' (Tutti Frutti Series)
  • Achillea millefolium 'Pomegranate' (Tutti Frutti Series)
  • Achillea Summer Berries (mixed)
  • Achillea 'Coronation Gold'
  • Achillea 'Credo'
  • Achillea 'Fanal'
  • Achillea 'Hella Glashoff'
  • Achillea 'Lachsschönheit' (Galaxy Series)
  • Achillea 'Pretty Belinda'
  • Achillea 'Summerwine'
  • Achillea 'Walther Funcke'
  • Aconitum carmichaelii (Arendsii Group) 'Arendsii'
  • Aconitum chasmanthum
  • Aconitum 'Ivorine'
  • Aconitum 'Newry Blue'
  • Acorus gramineus 'Ogon' (v)
  • Acorus gramineus 'Variegatus' (v)
  • Actaea arizonica
  • Actaea matsumurae 'White Pearl'
  • Actaea simplex (Atropurpurea Group) 'Brunette'
  • Actinidia deliciosa 'Jenny' (s-p/F)
  • Actinidia kolomikta
  • Actinidia pilosula (Finet & Gagnep.) Stapf ex Hand.-Mazz.
  • Adiantum aleuticum 'Imbricatum'
  • Adiantum hispidulum 'Bronze Venus'
  • Adiantum × mairisii
  • Aethionema 'Warley Rose'
  • Agapanthus 'Blue Spear'
  • Agapanthus 'Charlotte' (PBR)
  • Agapanthus 'Midnight Star'
  • Agastache rugosa 'Golden Jubilee'
  • Agastache 'Blackadder'
  • Agastache 'Blue Fortune'
  • Ageratina altissima 'Chocolate'
  • Ajuga reptans Black Scallop = 'Binblasca' (PBR)
  • Ajuga reptans 'Braunherz'
  • Ajuga reptans 'Burgundy Glow' (v)
  • Ajuga reptans 'Catlin's Giant'
  • Akebia quinata
  • Akebia quinata 'Amethyst Glow'
  • Albizia julibrissin 'Summer Chocolate' (PBR)
  • Alcea rosea 'Halo Apricot' (Halo Series)
  • Alcea rosea 'Halo Blush' (Halo Series)
  • Alcea rosea 'Halo Cerise' (Halo Series)
  • Alcea rosea 'Halo Cream' (Halo Series)
  • Alchemilla mollis
  • Allium cepa (Cepa Group) 'Ailsa Craig'
  • Allium cepa 'White Lisbon'
  • Allium cristophii
  • Allium giganteum
  • Allium hollandicum 'Purple Sensation'
  • Allium oreophilum
  • Allium rosenbachianum 'Album'
  • Allium roseum
  • Allium scorodoprasum 'Art'
  • Allium scorodoprasum 'Passion'
  • Allium siculum subsp. dioscoridis
  • Allium sphaerocephalon
  • Allium stipitatum 'Mount Everest'
  • Allium stipitatum 'Violet Beauty'
  • Allium stipitatum 'White Giant'
  • Allium vineale 'Hair'
  • Allium 'Ambassador'
  • Allium 'Gladiator'
  • Allium 'Globemaster'
  • Allium 'Miami'
  • Allium 'Mont Blanc'
  • Aloysia citrodora
  • Aloysia citrodora 'Spilsbury Mint'
  • Alstroemeria Indian Summer = 'Tesronto' (PBR) (Summer Paradise Series)
  • Alstroemeria Inticancha Cabana = 'Tescaban' (Inticancha Series)
  • Alstroemeria Inticancha Dark Purple = 'Tesdarklin' (PBR) (Inticancha Series)
  • Alstroemeria Inticancha Maya = 'Tesmaya' (PBR) (Inticancha Series)
  • Alstroemeria Inticancha Red = 'Tesrobin' (PBR) (Inticancha Series)
  • Alstroemeria Princess Claire = 'Zapriclair' (PBR) (Princess Series)
  • Alstroemeria Princess Eliane = 'Zaprielia' (PBR) (Princess Series)
  • Alstroemeria Princess Fabiana = 'Zaprifabi' (PBR) (Princess Series)
  • Alstroemeria Princess Kate = 'Zaprikate' (PBR) (Princess Series)
  • Alstroemeria Princess Lilian = 'Zaprilian' (PBR) (Princess Series)
  • Alstroemeria Princess Paola = 'Stapripal' (PBR) (Princess Series)
  • Alstroemeria Princess Sara = 'Staprisara' (PBR) (Princess Series)
  • Alstroemeria Summer Breeze = 'Teshunte' (PBR) (Summer Paradise Series)
  • Alstroemeria Summer Party = 'Tessumpar' (Summer Paradise Series)
  • Amelanchier alnifolia 'Obelisk' (PBR)
  • Amelanchier × grandiflora 'Ballerina'
  • Amsonia 'Blue Ice'
  • Anchusa azurea 'Loddon Royalist'
  • Androsace cylindrica
  • Androsace cylindrica × hirtella
  • Androsace pubescens
  • Androsace pyrenaica
  • Androsace sempervivoides
  • Anemanthele lessoniana
  • Anemone blanda
  • Anemone blanda 'Alba'
  • Anemone blanda blue-flowered
  • Anemone blanda var. rosea
  • Anemone blanda white-flowered
  • Anemone coronaria De Caen Group
  • Anemone coronaria De Caen Group blue-flowered
  • Anemone coronaria De Caen Group pink-flowered
  • Anemone coronaria De Caen Group red-flowered
  • Anemone coronaria 'Harmony Scarlet' (Harmony Series)
  • Anemone hupehensis 'Praecox'
  • Anemone hupehensis var. japonica 'Prinz Heinrich'
  • Anemone hupehensis var. japonica 'Splendens'
  • Anemone nemorosa
  • Anemone nemorosa 'Allenii'
  • Anemone nemorosa 'Robinsoniana'
  • Anemone nemorosa white-flowered
  • Anemone polyanthes
  • Anemone sylvestris
  • Anemone × hybrida 'Honorine Jobert'
  • Anemone × hybrida 'Königin Charlotte'
  • Anemone × hybrida 'Richard Ahrens'
  • Anemone × hybrida 'Robustissima'
  • Anemone × hybrida 'September Charm'
  • Anemone × hybrida 'Whirlwind'
  • Anemone Wild Swan = 'Macane001' (PBR)
  • Angelica archangelica
  • Angelica pachycarpa
  • Angelonia Archangel Deep Rose = 'Balarcrose'
  • Antennaria rosea
  • Anthemis tinctoria 'E.C. Buxton'
  • Anthemis tinctoria 'Kelwayi'
  • Anthemis tinctoria 'Sauce Hollandaise'
  • Anthemis Susanna Mitchell = 'Blomit'
  • Anthriscus sylvestris 'Ravenswing'
  • Aquilegia vulgaris 'Clementine Blue' (Clementine Series) (d)
  • Aquilegia vulgaris 'Clementine Dark Purple' (Clementine Series) (d)
  • Aquilegia vulgaris 'Clementine Rose' (Clementine Series) (d)
  • Aquilegia vulgaris 'Clementine Salmon Rose' (Clementine Series) (d)
  • Aquilegia vulgaris 'Clementine White' (Clementine Series) (d)
  • Aquilegia vulgaris var. stellata 'Black Barlow' (Barlow Series) (d)
  • 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 var. stellata 'White Barlow' (Barlow Series) (d)
  • Aquilegia Biedermeier Group
  • Aquilegia 'Crimson Star'
  • Aquilegia 'Dragonfly'
  • Aquilegia 'Winky Blue-White' (Winky Series)
  • Aquilegia 'Winky Rose-Rose' (Winky Series)
  • Arachniodes standishii
  • Arbutus unedo 'Compacta'
  • Arbutus unedo f. rubra
  • Arbutus × andrachnoides
  • Arctostaphylos uva-ursi 'Vancouver Jade'
  • Armeria pseudarmeria 'Ballerina Lilac' (Ballerina Series)
  • Armeria pseudarmeria 'Ballerina Pink' (Ballerina Series)
  • Armeria pseudarmeria 'Ballerina Red' (Ballerina Series)
  • Armeria pseudarmeria 'Ballerina White' (Ballerina Series)
  • Aronia melanocarpa
  • Artemisia ludoviciana 'Silver Queen'
  • Artemisia ludoviciana 'Valerie Finnis'
  • Artemisia schmidtiana 'Nana'
  • Artemisia stelleriana 'Boughton Silver'
  • Artemisia 'Powis Castle'
  • Aruncus dioicus 'Kneiffii'
  • Asparagus officinalis 'Gijnlim'
  • Asparagus officinalis 'Pacific Purple'
  • Asphodeline lutea
  • Asplenium scolopendrium
  • Asplenium scolopendrium Cristatum Group
  • Asplenium scolopendrium Undulatum Group
  • Asplenium trichomanes
  • Asplenium trichomanes Cristatum Group
  • Astelia banksii
  • Astelia nervosa 'Westland'
  • Astelia 'Silver Shadow' (PBR)
  • Aster alpinus 'Happy End'
  • Aster × frikartii 'Flora's Delight'
  • Aster × frikartii 'Mönch'
  • Astilbe chinensis var. pumila
  • Astilbe 'Bressingham Beauty' (× arendsii)
  • Astilbe 'Hyazinth' (× arendsii)
  • Astilbe 'Köln' (japonica hybrid)
  • Astilbe 'Kvële' (× arendsii)
  • Astilbe 'Montgomery' (japonica hybrid)
  • Astilbe 'Rotlicht' (× arendsii)
  • Astilbe 'Snowdrift' (× arendsii)
  • Astilbe 'Sprite' (simplicifolia hybrid)
  • Astilbe 'Willie Buchanan' (simplicifolia hybrid)
  • Astilboides tabularis
  • Astrantia major 'Claret'
  • Astrantia major 'Florence' (PBR)
  • Astrantia major Gill Richardson Group
  • Astrantia major 'Pink Crush'
  • Astrantia major 'Primadonna'
  • Astrantia major 'Rubra'
  • Astrantia major 'Ruby Wedding'
  • Astrantia major 'Star of Beauty' (PBR) (Sparkling Stars Series)
  • Astrantia major subsp. involucrata 'Shaggy'
  • Astrantia major var. rosea
  • Astrantia major 'Venice' (PBR)
  • Astrantia 'Buckland'
  • Astrantia 'Hadspen Blood'
  • Astrantia 'Roma' (PBR)
  • Astrantia 'Snow Star' (PBR)
  • Athyrium filix-femina
  • Athyrium filix-femina 'Frizelliae'
  • Athyrium filix-femina subsp. angustum f. rubellum 'Lady in Red'
  • Athyrium filix-femina 'Victoriae'
  • Athyrium niponicum var. pictum
  • Athyrium niponicum var. pictum 'Apple Court'
  • Athyrium niponicum var. pictum 'Red Beauty'
  • Athyrium niponicum var. pictum 'Silver Falls'
  • Athyrium otophorum var. okanum
  • Athyrium vidalii
  • Athyrium 'Branford Beauty'
  • Athyrium 'Ghost'
  • Aubrieta gracilis 'Kitte Blue'
  • Aubrieta gracilis 'Kitte Rose'
  • Aubrieta gracilis 'Kitte White'
  • Aubrieta Axcent Light Blue = 'Abrz0002' (PBR) (Axcent Series)
  • Aubrieta Axcent Lilac = 'Audelip' (PBR) (Axcent Series)
  • Aubrieta 'Argenteovariegata' (v)
  • Aucuba japonica Pepper Pot = 'Shilpot' (m/v)
  • Aucuba japonica 'Mr Goldstrike' (m/v)
  • Aucuba japonica 'Rozannie' (f)
  • Aucuba japonica 'Variegata' (f/v)
  • Baptisia australis
  • Begonia Summerwings Dark Elegance = 'Insumdaele' (PBR) (Summerwings Series)
  • Begonia 'Glowing Embers'
  • Berberidopsis corallina
  • Berberis darwinii
  • Berberis darwinii 'Compacta'
  • Berberis thunbergii Bonanza Gold = 'Bogozam' (PBR)
  • Berberis thunbergii f. atropurpurea 'Admiration' (PBR)
  • Berberis thunbergii f. atropurpurea 'Bagatelle'
  • Berberis thunbergii f. atropurpurea 'Concorde'
  • Berberis thunbergii f. atropurpurea 'Dart's Red Lady'
  • Berberis thunbergii f. atropurpurea 'Golden Ring' (v)
  • Berberis thunbergii f. atropurpurea 'Harlequin' (v)
  • Berberis thunbergii f. atropurpurea 'Helmond Pillar'
  • Berberis thunbergii f. atropurpurea 'Rose Glow' (v)
  • Berberis thunbergii 'Fireball' (PBR)
  • Berberis thunbergii 'Golden Rocket' (PBR)
  • Berberis thunbergii 'Orange Rocket' (PBR)
  • Berberis thunbergii 'Redtorch' (PBR)
  • Berberis × lologensis 'Apricot Queen'
  • Berberis × lologensis 'Stapehill'
  • Berberis × stenophylla 'Corallina Compacta'
  • Bergenia cordifolia 'Purpurea'
  • Bergenia 'Apple Blossom'
  • Bergenia 'Baby Doll'
  • Bergenia 'Bach'
  • Bergenia 'Ballawley' clonal
  • Bergenia 'Bressingham Ruby'
  • Bergenia 'Bressingham White'
  • Bergenia 'Eroica'
  • Bergenia 'Harzkristall'
  • Bergenia 'Morgenröte'
  • Bergenia 'Overture'
  • Bergenia 'Pink Dragonfly'
  • Bergenia 'Rosenkristall'
  • Bergenia 'Rosi Klose'
  • Bergenia 'Wintermärchen'
  • Berkheya purpurea
  • Betonica officinalis 'Hummelo'
  • Betonica officinalis 'Wisley White'
  • Betula utilis subsp. jacquemontii
  • Billardiera longiflora
  • Billardiera longiflora 'Cherry Berry'
  • Blechnum penna-marina
  • Brachyglottis (Dunedin Group) 'Drysdale'
  • Brachyglottis (Dunedin Group) 'Sunshine'
  • Brachyglottis Walberton's Silver Dormouse = 'Walbrach' (PBR)
  • Briza media 'Golden Bee'
  • Brunnera macrophylla
  • Brunnera macrophylla 'Betty Bowring'
  • Brunnera macrophylla 'Dawson's White' (v)
  • Brunnera macrophylla 'Hadspen Cream' (v)
  • Brunnera macrophylla 'Jack Frost' (PBR)
  • Brunnera macrophylla 'Little Jack' (v)
  • Brunnera macrophylla 'Looking Glass' (PBR)
  • Buddleja alternifolia
  • Buddleja davidii Buzz Candy Pink = 'Tobudsopin' (Buzz Series)
  • Buddleja davidii Buzz Indigo (Buzz Series)
  • Buddleja davidii Buzz Ivory = 'Tobudivory' (PBR) (Buzz Series)
  • Buddleja davidii Buzz Sky Blue = 'Tobudskybl' (PBR) (Buzz Series)
  • Buddleja davidii Buzz Velvet = 'Tobudvelve' (PBR) (Buzz Series)
  • Buddleja davidii Nanho Blue = 'Mongo'
  • Buddleja davidii Nanho Purple = 'Monum'
  • Buddleja davidii Nanho White = 'Monite'
  • Buddleja davidii Rêve de Papillon = 'Minpap'
  • Buddleja davidii 'African Queen'
  • Buddleja davidii 'Black Knight'
  • Buddleja davidii 'Border Beauty'
  • Buddleja davidii 'Castle Blue'
  • Buddleja davidii 'Dartmoor'
  • Buddleja davidii 'Gonglepod'
  • Buddleja davidii 'Orpheus'
  • Buddleja davidii 'Panache'
  • Buddleja davidii 'Royal Red'
  • Buddleja davidii 'Southcombe Splendour'
  • Buddleja davidii 'White Wings'
  • Buddleja fallowiana Balf. f. & W.W. Sm.
  • Buddleja fallowiana var. alba
  • Buddleja 'Ellen's Blue'
  • Buddleja 'Lochinch'
  • Buddleja 'Pink Delight'
  • Buddleja 'West Hill'
  • Calamagrostis brachytricha
  • Calamagrostis × acutiflora 'Karl Foerster'
  • Calamagrostis × acutiflora 'Overdam' (v)
  • Calamintha nepeta
  • Callicarpa bodinieri var. giraldii 'Profusion'
  • Callistemon citrinus 'Splendens'
  • Callistemon rigidus
  • Caltha palustris var. alba
  • Caltha palustris var. palustris 'Plena' (d)
  • Calycanthus × raulstonii 'Hartlage Wine'
  • Camassia cusickii
  • Camassia cusickii 'Zwanenburg'
  • Camassia leichtlinii 'Sacajawea' (v)
  • Camassia leichtlinii 'Semiplena' (d)
  • Camassia leichtlinii subsp. suksdorfii 'Alba'
  • Camassia leichtlinii subsp. suksdorfii Caerulea Group
  • Camassia quamash 'Blue Melody' (v)
  • Camassia quamash 'Orion'
  • Camassia 'Blue Heaven'
  • Campanula glomerata 'Superba'
  • Campanula glomerata var. alba
  • Campanula lactiflora 'Loddon Anna'
  • Campanula lactiflora 'Pouffe'
  • Campanula lactiflora 'Prichard's Variety'
  • Campanula latifolia var. alba
  • Campanula latiloba 'Percy Piper'
  • Campanula portenschlagiana
  • Campanula punctata f. rubriflora
  • Campanula takesimana 'Elizabeth'
  • Campanula 'Kent Belle'
  • Campanula 'Pink Octopus' (PBR)
  • Campsis radicans f. flava
  • Campsis × tagliabuana Indian Summer = 'Kudian' (PBR)
  • Campsis × tagliabuana 'Madame Galen'
  • Canna indica Tropicanna Gold = 'Mactro' (PBR)
  • Canna Tropicanna Black = 'Lon01' (PBR)
  • Capsicum annuum 'Apache'
  • Capsicum annuum 'Basket of Fire'
  • Capsicum annuum 'Cheyenne'
  • Capsicum annuum 'Demon Red'
  • Capsicum annuum 'Etna'
  • Capsicum annuum 'Jericho'
  • Capsicum annuum 'Krakatoa'
  • Capsicum annuum 'Masquerade'
  • Capsicum annuum 'Medusa'
  • Capsicum annuum 'Numex Twilight'
  • Capsicum annuum 'Paper Lantern'
  • Capsicum annuum 'Razzamatazz'
  • Capsicum annuum var. annuum (Grossum Group) 'Mohawk'
  • Capsicum annuum var. annuum (Grossum Group) 'Redskin'
  • Capsicum annuum var. annuum (Longum Group) 'Hot Thai'
  • Capsicum annuum var. annuum (Longum Group) 'Loco'
  • Capsicum annuum var. annuum 'Prairie Fire'
  • Capsicum chinense 'Scotch Bonnet'
  • Carex buchananii
  • Carex comans bronze-leaved
  • Carex comans 'Frosted Curls'
  • Carex dipsacea
  • Carex elata 'Aurea'
  • Carex flagellifera
  • Carex oshimensis 'Evergold' (v)
  • Carex secta
  • Carex testacea
  • Carex 'Ice Dance' (v)
  • Caryopteris × clandonensis Hint of Gold = 'Lisaura' (PBR)
  • Caryopteris × clandonensis Pink Perfection = 'Lisspin' (PBR)
  • Caryopteris × clandonensis Stephi = 'Lissteph' (PBR)
  • Caryopteris × clandonensis Sterling Silver = 'Lissilv' (PBR)
  • Caryopteris × clandonensis 'Dark Knight'
  • Caryopteris × clandonensis 'First Choice'
  • Caryopteris × clandonensis 'Gold Giant'
  • Caryopteris × clandonensis 'Heavenly Baby'
  • Caryopteris × clandonensis 'Heavenly Blue'
  • Caryopteris × clandonensis 'Kew Blue'
  • Caryopteris × clandonensis 'Longwood Blue'
  • Caryopteris × clandonensis 'Summer Sorbet' (PBR) (v)
  • Catananche caerulea 'Alba'
  • Catananche caerulea 'Amor Blue'
  • Catananche caerulea 'Major'
  • Ceanothus arboreus 'Trewithen Blue'
  • Ceanothus griseus var. horizontalis 'Yankee Point'
  • Ceanothus thyrsiflorus var. repens
  • Ceanothus 'Blue Mound'
  • Ceanothus 'Burkwoodii'
  • Ceanothus 'Concha'
  • Ceanothus 'Dark Star'
  • Ceanothus 'Italian Skies'
  • Ceanothus 'Pershore Zanzibar' (PBR) (v)
  • Ceanothus 'Puget Blue'
  • Ceanothus 'Skylark'
  • Ceanothus 'Southmead'
  • Ceanothus 'Tilden Park'
  • Centaurea montana
  • Centaurea montana 'Alba'
  • Centaurea montana 'Amethyst Dream' (PBR)
  • Centaurea montana 'Amethyst in Snow'
  • Centaurea montana 'Parham'
  • Centaurea 'John Coutts'
  • Centaurea 'Jordy'
  • Centranthus ruber 'Albus'
  • Centranthus ruber var. coccineus
  • Cephalaria gigantea
  • Ceratostigma griffithii
  • Ceratostigma plumbaginoides
  • Ceratostigma willmottianum
  • Ceratostigma willmottianum Forest Blue = 'Lice' (PBR)
  • Ceratostigma willmottianum Sapphire Ring = 'Lissbrill' (PBR)
  • Cercidiphyllum japonicum
  • Cercidiphyllum japonicum 'Boyd's Dwarf'
  • Cercidiphyllum japonicum f. pendulum
  • Cercidiphyllum japonicum 'Rotfuchs'
  • Cercis siliquastrum
  • Chaenomeles speciosa Hot Fire = 'Minvesu'
  • Chaenomeles speciosa Mango Storm = 'Mincha01' (PBR)
  • Chaenomeles speciosa 'Geisha Girl' (d)
  • Chaenomeles speciosa 'Orange Storm' (PBR)
  • Chaenomeles speciosa 'Pink Storm' (PBR)
  • Chaenomeles speciosa 'Scarlet Storm' (PBR)
  • Chaenomeles × superba 'Crimson and Gold'
  • Chaenomeles × superba 'Jet Trail'
  • Chaenomeles × superba 'Knap Hill Scarlet'
  • Chaerophyllum hirsutum 'Roseum'
  • Chasmanthium latifolium
  • Cheilanthes tomentosa
  • Chelone obliqua
  • Chimonanthus praecox
  • Chimonanthus praecox 'Grandiflorus'
  • Chimonanthus praecox 'Luteus'
  • Choisya ternata
  • Choisya ternata Sundance = 'Lich'
  • Choisya × dewitteana Goldfingers = 'Limo' (PBR)
  • Choisya × dewitteana Snow Flurries = 'Lisflurry' (PBR)
  • Choisya × dewitteana White Dazzler = 'Londaz' (PBR)
  • Choisya × dewitteana 'Aztec Gold' (PBR)
  • Choisya × dewitteana 'Aztec Pearl'
  • Chrysanthemum 'Anastasia' (21c)
  • Chrysanthemum 'Bronze Elegance' (21b)
  • Chrysanthemum 'Clara Curtis' (21d)
  • Chrysanthemum 'Cottage Apricot' (21)
  • Chrysanthemum 'Nantyderry Sunshine' (28b)
  • Cirsium rivulare 'Atropurpureum'
  • Cistus creticus
  • Cistus ladanifer 'Pat'
  • Cistus monspeliensis
  • Cistus × aguilarii 'Maculatus'
  • Cistus × argenteus 'Silver Pink' ambig.
  • Cistus × cyprius var. ellipticus 'Elma'
  • Cistus × dansereaui 'Decumbens'
  • Cistus × lenis 'Grayswood Pink'
  • Cistus × obtusifolius 'Thrive'
  • Cistus × pulverulentus 'Sunset'
  • Cistus × purpureus
  • Cistus × purpureus 'Alan Fradd'
  • Cistus 'Snow Fire'
  • Clematis alpina 'Pamela Jackman' (A)
  • Clematis armandi
  • Clematis armandi 'Enham Star' (Ar)
  • Clematis armandi 'Little White Charm' (Ar)
  • Clematis armandi 'Snowdrift' (Ar)
  • Clematis cirrhosa 'Jingle Bells' (C)
  • Clematis cirrhosa var. balearica
  • Clematis cirrhosa var. purpurascens 'Freckles' (C)
  • Clematis cirrhosa 'Wisley Cream' (C)
  • Clematis florida var. flore-pleno 'Plena' (d)
  • Clematis florida var. florida 'Sieboldiana' (d)
  • Clematis heracleifolia 'Cassandra' (H)
  • Clematis integrifolia 'Alba' (I)
  • Clematis koreana var. carunculosa 'Lemon Bells' (A)
  • Clematis macropetala (d)
  • Clematis macropetala 'Wesselton' (A/d)
  • Clematis marmoraria
  • Clematis montana 'Alexander' (M)
  • Clematis montana Buch.-Ham. ex DC. var. rubens E.H. Wilson
  • Clematis montana var. grandiflora (M)
  • Clematis montana var. rubens 'Pink Perfection' (M)
  • Clematis montana var. rubens 'Tetrarose' (M)
  • Clematis tangutica
  • Clematis tubulosa 'Wyevale' (H)
  • Clematis viticella 'Flore Pleno' (Vt/d)
  • Clematis 'Étoile Violette' (Vt)
  • Clematis × cartmanii Michiko = 'Evipo044' (PBR) (Fo)
  • Clematis × cartmanii 'Avalanche' (PBR) (Fo/m)
  • Clematis × cartmanii 'Joe' (Fo/m)
  • Clematis × durandii
  • Clematis × triternata 'Rubromarginata'
  • Clematis Abilene = 'Evipo027' (PBR) (EL)
  • Clematis Alaina = 'Evipo056' (PBR) (EL)
  • Clematis Alita = 'Evipo070' (PBR) (Vt)
  • Clematis Amethyst Beauty = 'Evipo043' (PBR) (LL)
  • Clematis Angelique = 'Evipo017' (EL)
  • Clematis Anna Louise = 'Evithree' (PBR) (EL)
  • Clematis Arctic Queen = 'Evitwo' (PBR) (EL)
  • Clematis Avant-garde = 'Evipo033' (PBR) (Vt)
  • Clematis Bernadine = 'Evipo 061' (PBR) (EL)
  • Clematis Blue Moon = 'Evirin' (PBR) (EL)
  • Clematis Bonanza = 'Evipo031' (PBR) (Vt)
  • Clematis Bourbon = 'Evipo018' (PBR) (EL)
  • Clematis Cézanne = 'Evipo023' (PBR) (EL)
  • Clematis Chantilly = 'Evipo021' (PBR) (EL)
  • Clematis Charmaine = 'Evipo022' (PBR) (EL)
  • Clematis Chelsea = 'Evipo100' (PBR)
  • Clematis Chevalier = 'Evipo040' (PBR) (EL)
  • Clematis Corinne = 'Evipo063' (PBR) (EL)
  • Clematis Crystal Fountain = 'Evipo038' (PBR) (EL)
  • Clematis Diamantina = 'Evipo039' (PBR) (EL)
  • Clematis Diana's Delight = 'Evipo026' (PBR) (EL)
  • Clematis Edda = 'Evipo074' (PBR) (Boulevard Series) (EL)
  • Clematis Endellion = 'Evipo076' (PBR) (EL)
  • Clematis Esme = 'Evipo048' (PBR)
  • Clematis Filigree = 'Evipo029' (PBR) (EL)
  • Clematis Fleuri = 'Evipo042' (PBR) (Boulevard Series) (EL)
  • Clematis Franziska Maria = 'Evipo008' (EL)
  • Clematis Giselle = 'Evipo051' (PBR)
  • Clematis Harlow Carr = 'Evipo004' (PBR)
  • Clematis Hyde Hall = 'Evipo009' (PBR) (EL)
  • Clematis Ice Blue = 'Evipo003' (PBR) (Prairie Series) (EL)
  • Clematis Ines = 'Evipo059' (PBR) (Boulevard Series)
  • Clematis Josephine = 'Evijohill' (PBR) (EL)
  • Clematis Kimiko = 'Evipo066' (PBR) (Boulevard Series) (Fo)
  • Clematis Kingfisher = 'Evipo037' (PBR) (EL)
  • Clematis Kitty = 'Evipo097' (EL)
  • Clematis Manon = 'Evipo054' (PBR) (Boulevard Series) (EL)
  • Clematis Nubia = 'Evipo079' (PBR) (Boulevard Series) (LL)
  • Clematis Ooh La La = 'Evipo041' (PBR) (Boulevard Series) (EL)
  • Clematis Parisienne = 'Evipo019' (PBR) (Boulevard Series) (EL)
  • Clematis Picardy = 'Evipo024' (PBR) (EL)
  • Clematis Rebecca = 'Evipo016' (PBR) (EL)
  • Clematis Reflections = 'Evipo035' (LL)
  • Clematis Rosemoor = 'Evipo002' (PBR) (EL)
  • Clematis Sacha = 'Evipo060' (EL)
  • Clematis Sally = 'Evipo077' (PBR) (EL)
  • Clematis Samaritan Jo = 'Evipo075'
  • Clematis Sarah Elizabeth = 'Evipo098'
  • Clematis Shimmer = 'Evipo028' (PBR) (LL)
  • Clematis Tekla = 'Evipo069' (PBR) (LL)
  • Clematis The Countess of Wessex = 'Evipo073' (EL)
  • Clematis Thumbelina = 'Evipo030' (PBR) (EL)
  • Clematis Tranquilité = 'Evipo111'
  • Clematis Victor Hugo = 'Evipo007' (PBR) (LL)
  • Clematis Viennetta = 'Evipo006' (PBR) (d)
  • Clematis Volunteer = 'Evipo080' (PBR) (EL)
  • Clematis 'Andromeda' (EL)
  • Clematis 'Arabella' (I)
  • Clematis 'Asao' (EL)
  • Clematis 'Bees' Jubilee' (EL)
  • Clematis 'Best Wishes'
  • Clematis 'Bill MacKenzie' (Ta)
  • Clematis 'Black Prince' (Vt)
  • Clematis 'Black Tea' (LL)
  • Clematis 'Blue Dancer' (A)
  • Clematis 'Comtesse de Bouchaud' (LL)
  • Clematis 'Daniel Deronda' (EL)
  • Clematis 'Doctor Ruppel' (EL)
  • Clematis 'Early Sensation' (Fo/f)
  • Clematis 'Elizabeth' (M)
  • Clematis 'Elsa Späth' (EL)
  • Clematis 'Ernest Markham' (LL)
  • Clematis 'Frances Rivis' (A)
  • Clematis 'Freda' (M)
  • Clematis 'Fujimusume' (EL)
  • Clematis 'General Sikorski' (EL)
  • Clematis 'Gillian Blades' (EL)
  • Clematis 'Gipsy Queen' (LL)
  • Clematis 'Guernsey Cream' (EL)
  • Clematis 'H.F. Young' (EL)
  • Clematis 'Hagley Hybrid' (LL)
  • Clematis 'Helios' (Ta)
  • Clematis 'Helsingborg' (A)
  • Clematis 'Henryi' (EL)
  • Clematis 'Honora' (LL)
  • Clematis 'Jackmanii' (LL)
  • Clematis 'Jackmanii Alba' (EL)
  • Clematis 'Jackmanii Superba' ambig. (LL)
  • Clematis 'Jan Lindmark' (A/d)
  • Clematis 'Lasurstern' (EL)
  • Clematis 'Madame Édouard André' (LL)
  • Clematis 'Miss Bateman' (EL)
  • Clematis 'Multi Blue' (EL)
  • Clematis 'Nelly Moser' (EL)
  • Clematis 'Niobe' (EL)
  • Clematis 'Perrin's Pride' (Vt)
  • Clematis 'Piilu' (EL)
  • Clematis 'Pink Flamingo' (A)
  • Clematis 'Polish Spirit' (LL)
  • Clematis 'Purpurea Plena Elegans' (Vt/d)
  • Clematis 'Rhapsody' B. Fretwell (EL)
  • Clematis 'Romantika' (LL)
  • Clematis 'Rouge Cardinal' (LL)
  • Clematis 'Royal Velours' (Vt)
  • Clematis 'Taiga' (PBR) (d)
  • Clematis 'Twilight' (EL)
  • Clematis 'Venosa Violacea' (Vt)
  • Clematis 'Vicky' (A/d)
  • Clematis 'Vyvyan Pennell' (EL)
  • Clematis 'Willy' (A)
  • Clerodendrum bungei
  • Clethra alnifolia 'Hummingbird'
  • Clethra alnifolia 'Pink Spice'
  • Clethra alnifolia 'Ruby Spice'
  • Convolvulus cneorum
  • Coreopsis grandiflora Flying Saucers = 'Walcoreop' (PBR)
  • Coreopsis grandiflora 'Early Sunrise'
  • Coreopsis grandiflora 'Sunfire'
  • Coreopsis grandiflora 'Sunray'
  • Coreopsis lanceolata 'Goldteppich'
  • Coreopsis rosea 'American Dream'
  • Coreopsis verticillata 'Moonbeam'
  • Coreopsis verticillata 'Ruby Red'
  • Coreopsis verticillata 'Zagreb'
  • Cornus alba Baton Rouge = 'Minbat' (PBR)
  • Cornus alba 'Aurea'
  • Cornus alba 'Elegantissima' (v)
  • Cornus alba 'Kesselringii'
  • Cornus alba 'Siberian Pearls'
  • Cornus alba 'Sibirica'
  • Cornus alba 'Sibirica Variegata' (v)
  • Cornus alba 'Spaethii' (v)
  • Cornus alternifolia 'Argentea' (v)
  • Cornus amomum 'Blue Cloud'
  • Cornus canadensis
  • Cornus capitata
  • Cornus controversa 'Variegata' (v)
  • Cornus kousa 'Big Apple'
  • Cornus kousa 'Madame Butterfly'
  • Cornus kousa 'Miss Satomi'
  • Cornus kousa 'Summer Fun'
  • Cornus kousa var. chinensis
  • Cornus kousa var. chinensis 'China Girl'
  • Cornus kousa var. chinensis 'Wisley Queen'
  • Cornus sanguinea 'Anny's Winter Orange'
  • Cornus sanguinea 'Magic Flame'
  • Cornus sanguinea 'Midwinter Fire'
  • Cornus sericea Kelsey's Gold = 'Rosco'
  • Cornus sericea 'Cardinal'
  • Cornus sericea 'Flaviramea'
  • Cornus sericea 'Hedgerows Gold' (v)
  • Cornus 'Eddie's White Wonder'
  • Cornus 'Norman Hadden'
  • Corokia × virgata 'Geenty's Green'
  • Coronilla valentina subsp. glauca 'Citrina'
  • Coronilla valentina subsp. glauca 'Variegata' (v)
  • Cortaderia selloana 'Pumila'
  • Cortaderia selloana 'Splendid Star' (PBR) (v)
  • Corydalis flexuosa 'China Blue'
  • Corydalis flexuosa 'Purple Leaf'
  • Corydalis 'Canary Feathers' (PBR)
  • Corydalis 'Tory MP'
  • Corylopsis pauciflora
  • Corylus avellana 'Contorta'
  • Corylus maxima 'Purpurea' (F)
  • Corynabutilon vitifolium 'Tennant's White'
  • Cosmos atrosanguineus Chocamocha = 'Thomocha' (PBR)
  • Cosmos bipinnatus 'Xanthos'
  • Cotinus coggygria Golden Spirit = 'Ancot' (PBR)
  • Cotinus coggygria Smokey Joe = 'Lisjo' (PBR)
  • Cotinus coggygria 'Royal Purple'
  • Cotinus 'Candy Floss'
  • Cotinus 'Flame'
  • Cotinus 'Grace'
  • Cotinus 'Ruby Glow'
  • Cotoneaster atropurpureus 'Variegatus' (v)
  • Cotoneaster dammeri
  • Cotoneaster horizontalis
  • Cotoneaster naoujanensis 'Berried Treasure'
  • Cotoneaster procumbens 'Queen of Carpets'
  • Cotoneaster salicifolius 'Gnom'
  • Cotoneaster × suecicus 'Juliette' (v)
  • Cotoneaster × suecicus 'Skogholm'
  • Cotoneaster 'Cornubia'
  • Cotoneaster 'Rothschildianus'
  • Crambe cordifolia
  • Crinodendron hookerianum
  • Crocosmia masoniorum
  • Crocosmia pottsii
  • Crocosmia × crocosmiiflora (Lemoine) N.E. Br. 'George Davison' Davison
  • Crocosmia × crocosmiiflora 'Buttercup'
  • Crocosmia × crocosmiiflora 'Carmin Brillant'
  • Crocosmia × crocosmiiflora 'Emily McKenzie'
  • Crocosmia × crocosmiiflora 'Fireglow' (PBR)
  • Crocosmia × crocosmiiflora 'Honey Angels'
  • Crocosmia × crocosmiiflora 'Jackanapes'
  • Crocosmia × crocosmiiflora 'Lady Wilson'
  • Crocosmia × crocosmiiflora 'Star of the East'
  • Crocosmia 'Bressingham Blaze'
  • Crocosmia 'Emberglow'
  • Crocosmia 'Firebird'
  • Crocosmia 'Firefly'
  • Crocosmia 'Lady Jane'
  • Crocosmia 'Lucifer'
  • Crocosmia 'Ministar'
  • Crocosmia 'Mistral'
  • Crocosmia 'Prince of Orange'
  • Crocosmia 'Queen Alexandria'
  • Crocosmia 'Severn Sunrise'
  • Crocus 'Ard Schenk'
  • Crocus 'Prins Claus'
  • Crocus 'Ruby Giant'
  • Cyclamen alpinum
  • Cyclamen coum
  • Cyclamen hederifolium
  • Cyclamen 'Indiaka Violet'
  • Cynara cardunculus
  • Cyrtomium falcatum
  • Cyrtomium falcatum 'Rochfordianum'
  • Cyrtomium fortunei
  • Cyrtomium macrophyllum
  • Cytisus nigricans 'Cyni'
  • Cytisus × beanii
  • Cytisus × boskoopii 'Boskoop Ruby'
  • Cytisus × praecox
  • Cytisus × praecox 'Albus'
  • Cytisus × praecox 'Allgold'
  • Cytisus × praecox 'Lilac Lady'
  • Cytisus 'Goldfinch'
  • Cytisus 'Lena'
  • Dahlia Goldalia Rose = 'Goalia Rossa' (PBR) (Col)
  • Dahlia Goldalia Scarlet = 'Goalia Scarl' (PBR) (Col)
  • Dahlia Lubega Power Burgundy (D/DwB)
  • Dahlia Mystic Spirit = 'Hamspirit' (PBR) (Sin)
  • Dahlia 'Amazone' (Sin/DwB)
  • Dahlia 'Bishop of Auckland' (PBR) (Misc)
  • Dahlia 'Bishop of Canterbury' (PBR) (P)
  • Dahlia 'Bishop of Llandaff' (P)
  • Dahlia 'Bishop of Oxford' (Misc)
  • Dahlia 'Bishop of York' (Misc)
  • Dahlia 'Dark Side of the Sun' (PBR) (Sin)
  • Dahlia 'Gallery Art Deco' (PBR) (Gallery Series) (D)
  • Dahlia 'Gallery Bellini' (PBR) (Gallery Series) (D)
  • Dahlia 'Gallery Pinto' (PBR) (Gallery Series) (D)
  • Dahlia 'Gallery Valentin' (PBR) (Gallery Series) (D)
  • Dahlia 'Knockout' (S-c)
  • Dahlia 'Moonfire' (Sin)
  • Dahlia 'Mystic Enchantment' (PBR) (Sin)
  • Dahlia 'Roxy' (Sin/DwB)
  • Dahlia 'Twyning's After Eight' (Sin)
  • Dahlia 'Zone Ten' (PBR) (Sin/DwB)
  • Daphne bholua 'Jacqueline Postill'
  • Daphne odora Rebecca = 'Hewreb' (v)
  • Daphne odora 'Aureomarginata' (v)
  • Daphne tangutica
  • Daphne × transatlantica Eternal Fragrance = 'Blafra' (PBR)
  • Daphne × transatlantica Pink Fragrance = 'Blapink' (PBR)
  • Daphne 'Spring Beauty'
  • Decumaria sinensis
  • Delosperma cooperi
  • Delosperma dyeri Red Mountain = 'Psdold'
  • Delphinium grandiflorum Delfix Series
  • Delphinium grandiflorum 'Summer Nights' (Summer Series)
  • Delphinium nudicaule 'Redcap'
  • Delphinium 'Cherub'
  • Delphinium 'Clifford Sky'
  • Delphinium 'Faust'
  • Delphinium 'Fenella'
  • Delphinium 'Jill Curley'
  • Delphinium 'Langdon's Royal Flush'
  • Delphinium 'Spindrift'
  • Deschampsia cespitosa 'Goldschleier'
  • Deschampsia cespitosa 'Goldtau'
  • Deutzia gracilis 'Nikko'
  • Deutzia × elegantissima 'Rosealind'
  • Deutzia × hybrida 'Iris Alford'
  • Deutzia × hybrida 'Magicien' Lemoine
  • Deutzia × hybrida 'Mont Rose'
  • Deutzia × hybrida 'Strawberry Fields'
  • Deutzia × rosea
  • Dianthus anatolicus
  • Dianthus Cosmopolitan = 'Wp15 Pie43' (PBR) (p)
  • Dianthus Diantica Early Love = 'Kledg18267' (pt)
  • Dianthus Diantica Purple Wedding = 'Kledg18274' (pt)
  • Dianthus Fizzy = 'Wp08 Ver03' (PBR) (Early Bird Series) (p)
  • Dianthus Frilly = 'Wp08 Ulr03' (PBR) (Early Bird Series) (p)
  • Dianthus Memories = 'WP11 Gwe04' (PBR) (Scent First Series) (p)
  • Dianthus Passion = 'Wp Passion' (PBR) (Scent First Series) (p)
  • Dianthus Peach Party = 'Kledg18305' (pt)
  • Dianthus Pink Kisses = 'Kledg12163' (PBR) (pt)
  • Dianthus Rebekah = 'Wp09 Mar05' (PBR) (Early Bird Series) (p)
  • Dianthus Romance = 'Wp09 Wen04' (PBR) (Scent First Series) (p)
  • Dianthus Slap 'n' Tickle = 'Wp 05 Pp 22' (PBR) (Scent First Series) (p)
  • Dianthus 'Annette' (p)
  • Dianthus 'Berlin Snow' (p)
  • Dianthus 'Carmine Letitia Wyatt' (PBR) (p)
  • Dianthus 'Dainty Dame' (p)
  • Dianthus 'Devon Arctic Star' (Early Bird Series) (p)
  • Dianthus 'Devon Flavia' (PBR) (Scent First Series) (p)
  • Dianthus 'Evening Star' (p)
  • Dianthus 'Fusilier' (p)
  • Dianthus 'Letitia Wyatt' (p)
  • Dianthus 'Neon Star' (PBR) (p)
  • Dianthus 'Night Star' (p)
  • Dianthus 'Pike's Pink' (p)
  • Dianthus 'Queen of Henri' (p)
  • Dianthus 'Starry Eyes' (p)
  • Dianthus 'Warden Hybrid' (p)
  • Dianthus 'Whatfield Cancan' (p)
  • Dianthus 'Whatfield Joy' (p)
  • Dianthus 'Whatfield Magenta' (p)
  • Diascia Coral Belle = 'Hecbel' (PBR)
  • Diascia Ice Cracker = 'Hecrack'
  • Diascia 'Joyce's Choice'
  • Diascia 'Twinkle'
  • Dicentra formosa 'Langtrees'
  • Dicentra formosa 'Spring Magic'
  • Dicentra 'King of Hearts'
  • Dicentra 'Luxuriant'
  • Dicksonia antarctica
  • Dierama dracomontanum
  • Dierama igneum
  • Dierama pauciflorum
  • Dierama pulcherrimum
  • Digitalis grandiflora
  • Digitalis lanata
  • Digitalis lutea
  • Digitalis purpurea 'Dalmatian Crème' (Dalmatian Series)
  • Digitalis purpurea 'Dalmatian Rose' (Dalmatian Series)
  • Digitalis purpurea Excelsior Group
  • Digitalis purpurea Giant Spotted Group
  • Digitalis purpurea 'Pam's Choice'
  • Digitalis purpurea 'Sutton's Apricot'
  • Digitalis × valinii Illumination Pink = 'Tmdgfp001' (PBR) (Illumination Series)
  • Digitalis × valinii Illumination Ruby Slippers = 'Tmdg1204' (PBR) (Illumination Series)
  • Digitalis × valinii 'Firebird'
  • Digitalis × valinii 'Harkstead Flame' (PBR) (Illumination Series)
  • Digitalis Goldcrest = 'Waldigone' (PBR)
  • Digitalis 'Albino'
  • Disporopsis pernyi
  • Disporum uniflorum
  • Dodecatheon meadia f. album
  • Dodecatheon pulchellum Radicatum Group
  • Doronicum orientale 'Leonardo'
  • Doronicum orientale 'Magnificum'
  • Doronicum 'Finesse'
  • Draba aizoides
  • Dregea sinensis
  • Drosanthemum hispidum
  • Dryopteris affinis
  • Dryopteris affinis 'Cristata'
  • Dryopteris crassirhizoma
  • Dryopteris cycadina
  • Dryopteris dilatata 'Crispa Whiteside'
  • Dryopteris dilatata 'Jimmy Dyce'
  • Dryopteris erythrosora
  • Dryopteris erythrosora 'Brilliance'
  • Dryopteris erythrosora var. prolifica
  • Dryopteris filix-mas
  • Dryopteris filix-mas 'Barnesii'
  • Dryopteris filix-mas 'Crispa'
  • Dryopteris filix-mas 'Crispa Cristata'
  • Dryopteris filix-mas 'Furcans'
  • Dryopteris filix-mas 'Linearis Polydactyla'
  • Dryopteris goldieana
  • Dryopteris lepidopoda
  • Dryopteris ludoviciana
  • Dryopteris pulcherrima
  • Dryopteris sieboldii
  • Dryopteris submontana
  • Dryopteris wallichiana
  • Echinacea pallida
  • Echinacea purpurea
  • Echinacea purpurea PowWow Wild Berry = 'Pas702917' (PBR) (PowWow Series)
  • Echinacea purpurea 'Alba'
  • Echinacea purpurea 'Baby Swan Pink'
  • Echinacea purpurea 'Baby Swan White'
  • Echinacea purpurea Bressingham hybrids
  • Echinacea purpurea 'Happy Star'
  • Echinacea purpurea 'Magnus'
  • Echinacea purpurea 'Magnus Superior'
  • Echinacea purpurea 'Pica Bella'
  • Echinacea purpurea 'Rubinstern'
  • Echinacea purpurea 'The King'
  • Echinacea purpurea 'Vintage Wine' (PBR)
  • Echinacea purpurea 'White Swan'
  • Echinacea Orange Skipper = 'Echor273' (PBR) (Butterfly Series)
  • Echinacea SunSeekers Purple = 'Apecssipu' (SunSeekers Series)
  • Echinacea SunSeekers Red = 'Apecssired' (SunSeekers Series)
  • Echinacea SunSeekers Yellow = 'Apecssiye' (PBR) (SunSeekers Series)
  • Echinacea 'Meteor Red' (PBR) (Meteor Series) (d)
  • Echinacea 'Tomato Soup' (PBR)
  • Echinops bannaticus 'Blue Globe'
  • Echinops bannaticus 'Star Frost'
  • Echinops ritro L.
  • Echinops ritro subsp. ruthenicus 'Platinum Blue'
  • Echinops sphaerocephalus 'Arctic Glow'
  • Echinops tjanschanicus
  • Ectotropis seanii-hoganii
  • Edgeworthia chrysantha
  • Elaeagnus × submacrophylla 'Viveleg' (PBR) (v)
  • Elaeagnus 'Quicksilver'
  • Elymus magellanicus
  • Enkianthus campanulatus
  • Enkianthus chinensis
  • Epimedium grandiflorum
  • Epimedium grandiflorum 'Lilafee'
  • Epimedium grandiflorum 'Red Beauty'
  • Epimedium perralderianum 'Weihenstephan'
  • Epimedium pubigerum
  • Epimedium stellulatum 'Wudang Star'
  • Epimedium × perralchicum 'Fröhnleiten'
  • Epimedium × rubrum
  • Epimedium × versicolor 'Sulphureum'
  • Epimedium × warleyense 'Orangekönigin'
  • Epimedium × youngianum 'Niveum'
  • Epimedium × youngianum 'Roseum'
  • Epimedium 'Akebono'
  • Eragrostis curvula 'Totnes Burgundy'
  • Eranthis hyemalis
  • Erica arborea 'Estrella Gold'
  • Erica arborea var. alpina f. aureifolia 'Albert's Gold'
  • Erica australis 'Riverslea'
  • Erica × veitchii 'Exeter'
  • Erigeron glaucus 'Sea Breeze'
  • Erigeron karvinskianus
  • Erigeron karvinskianus 'Kew Profusion'
  • Erigeron 'Adria'
  • Erigeron 'Blue Beauty'
  • Erigeron 'Schneewittchen'
  • Erigeron 'Wayne Roderick'
  • Erodium pelargoniiflorum
  • Erodium reichardii
  • Erodium reichardii 'Album'
  • Erodium × variabile 'Flore Pleno' (d)
  • Erodium × variabile 'Joe Elliott'
  • Erodium × variabile 'William Bishop'
  • Eryngium agavifolium
  • Eryngium bourgatii
  • Eryngium bourgatii Graham Stuart Thomas's selection
  • Eryngium planum 'Blaukappe'
  • Eryngium tricuspidatum
  • Eryngium variifolium
  • Eryngium × zabelii 'Big Blue'
  • Eryngium × zabelii 'Neptune's Gold' (PBR)
  • Erysimum Rysi Copper
  • Erysimum Walberton's Fragrant Sunshine = 'Walfrasun'
  • Erysimum 'Bowles's Mauve'
  • Erysimum 'Winter Passion'
  • Erythronium californicum 'White Beauty'
  • Erythronium dens-canis 'Old Aberdeen'
  • Erythronium dens-canis 'Snowflake'
  • Erythronium oregonum
  • Erythronium revolutum 'Knightshayes'
  • Erythronium tuolumnense 'Spindlestone'
  • Erythronium 'Harvington Snowgoose'
  • Erythronium 'Hidcote Beauty'
  • Erythronium 'Pagoda'
  • Escallonia bifida
  • Escallonia laevis Pink Elle = 'Lades' (PBR)
  • Escallonia laevis 'Gold Ellen' (v)
  • Escallonia 'Apple Blossom'
  • Escallonia 'Donard Seedling'
  • Escallonia 'Iveyi'
  • Escallonia 'Peach Blossom'
  • Escallonia 'Red Elf'
  • Eucryphia lucida 'Ballerina'
  • Eucryphia lucida 'Carousel'
  • Eucryphia lucida 'Gilt Edge' (v)
  • Eucryphia lucida 'Pink Cloud'
  • Eucryphia lucida 'Spring Glow' (v)
  • Euonymus alatus
  • Euonymus alatus 'Blade Runner'
  • Euonymus alatus 'Compactus'
  • Euonymus europaeus 'Red Cascade'
  • Euonymus fortunei Blondy = 'Interbolwi' (v)
  • Euonymus fortunei 'Emerald Gaiety' (v)
  • Euonymus fortunei 'Emerald 'n' Gold' (v)
  • Euonymus fortunei 'Silver Queen' (v)
  • Euonymus fortunei 'Sunshine' (v)
  • Euonymus fortunei 'Wolong Ghost'
  • Euonymus japonicus Paloma Blanca = 'Lankveld03' (PBR)
  • Euonymus japonicus 'Bravo' (v)
  • Euonymus japonicus 'Green Rocket'
  • Euonymus japonicus 'Kathy' (PBR)
  • Euonymus japonicus 'Microphyllus Aureovariegatus' (v)
  • Euonymus japonicus 'Ovatus Aureus' (v)
  • Eupatorium fistulosum f. albidum 'Ivory Towers'
  • Eupatorium maculatum (Atropurpureum Group) 'Phantom' (PBR)
  • Eupatorium maculatum Atropurpureum Group
  • Euphorbia amygdaloides 'Purpurea'
  • Euphorbia amygdaloides var. robbiae
  • Euphorbia characias Silver Swan = 'Wilcott' (PBR) (v)
  • Euphorbia characias 'Black Pearl'
  • Euphorbia characias 'Glacier Blue' (PBR) (v)
  • Euphorbia characias 'Portuguese Velvet'
  • Euphorbia characias subsp. characias 'Humpty Dumpty'
  • Euphorbia characias subsp. wulfenii
  • Euphorbia characias 'Tasmanian Tiger' (PBR) (v)
  • Euphorbia cyparissias 'Fens Ruby'
  • Euphorbia cyparissias 'Orange Man'
  • Euphorbia epithymoides 'Senior'
  • Euphorbia griffithii 'Fireglow'
  • Euphorbia myrsinites
  • Euphorbia schillingii
  • Euphorbia × martini
  • Euphorbia × martini 'Ascot Rainbow' (PBR) (v)
  • Euphorbia × martini 'Baby Charm'
  • Euphorbia 'Efanthia' (PBR)
  • Euryops pectinatus
  • Exochorda × macrantha 'Niagara' (PBR)
  • Exochorda × macrantha 'The Bride'
  • Fallopia baldschuanica
  • Fatsia japonica
  • Fatsia japonica 'Tsumugi-shibori' (v)
  • Festuca glauca Intense Blue = 'Casblue' (PBR)
  • Festuca glauca 'Elijah Blue'
  • Ficaria verna 'Brazen Hussy'
  • Ficus carica 'Brown Turkey' (F)
  • Ficus carica 'Ice Crystal' (F)
  • Filipendula koreana
  • Filipendula palmata 'Rubra'
  • Filipendula rubra 'Venusta'
  • Filipendula 'Kahome'
  • Forsythia × intermedia Week End = 'Courtalyn'
  • Forsythia × intermedia 'Goldrausch'
  • Forsythia × intermedia 'Lynwood Variety'
  • Forsythia Marée d'Or = 'Courtasol'
  • Forsythia 'Golden Times' (v)
  • Fothergilla major Monticola Group
  • Fragaria × ananassa Fragoo Deep Rose = 'Tarpan' (Fragoo Series) (F)
  • Fragaria × ananassa Fragoo Pink = 'Pikan' (Fragoo Series) (F)
  • Fragaria × ananassa Fragoo White = 'Belton' (Fragoo Series) (F)
  • Fragaria × ananassa 'Cambridge Favourite' (F)
  • Fragaria × ananassa 'Delia' (F)
  • Fragaria × ananassa 'Elsanta' (F)
  • Fragaria × ananassa 'Florence' (PBR) (F)
  • Fragaria × ananassa 'Pegasus' (F)
  • Fragaria × ananassa 'Redgauntlet' (F)
  • Fragaria × ananassa 'Rhapsody' (F)
  • Fragaria × ananassa 'Symphony' (PBR) (F)
  • Fragaria × ananassa 'Temptation' (F)
  • Francoa sonchifolia
  • Francoa sonchifolia Rogerson's form
  • Frangula alnus 'Ron Williams'
  • Freesia 'Fragrant Sunburst'
  • Freesia 'Lovely Blue' (Lovely Series)
  • Freesia 'Lovely Cream' (Lovely Series)
  • Freesia 'Lovely White' (Lovely Series)
  • Fremontodendron 'California Glory'
  • Fritillaria imperialis 'Aurora'
  • Fritillaria imperialis 'Garland Star'
  • Fritillaria imperialis 'Lutea'
  • Fritillaria imperialis 'Maxima Lutea'
  • Fritillaria imperialis 'Orange Beauty'
  • Fritillaria imperialis 'Rubra Maxima'
  • Fritillaria imperialis 'William Rex'
  • Fritillaria meleagris
  • Fritillaria michailovskyi
  • Fritillaria uva-vulpis
  • Fuchsia magellanica var. gracilis 'Versicolor' (v)
  • Fuchsia 'Abbé Farges' (d)
  • Fuchsia 'Alice Hoffman' (d)
  • Fuchsia 'Army Nurse' (d)
  • Fuchsia 'Baby Blue Eyes'
  • Fuchsia 'Beacon'
  • Fuchsia 'Celia Smedley'
  • Fuchsia 'Delta's Sara'
  • Fuchsia 'Display'
  • Fuchsia 'Dollar Prinzessin' (d)
  • Fuchsia 'Garden News' (d)
  • Fuchsia 'Genii'
  • Fuchsia 'Hawkshead'
  • Fuchsia 'Heidi Ann' (d)
  • Fuchsia 'Herald'
  • Fuchsia 'Lady Boothby'
  • Fuchsia 'Lady Thumb' (d)
  • Fuchsia 'Madame Cornélissen' (d)
  • Fuchsia 'Mrs Popple'
  • Fuchsia 'Riccartonii'
  • Fuchsia 'Saturnus'
  • Fuchsia 'Son of Thumb'
  • Fuchsia 'Sunray' (v)
  • Fuchsia 'Tom Thumb'
  • Gaillardia × grandiflora 'Celebration' (PBR)
  • Gaillardia × grandiflora 'Kobold'
  • Galanthus elwesii
  • Galanthus 'Atkinsii'
  • Galanthus 'Brenda Troyle'
  • Galium odoratum
  • Galtonia candicans
  • Gardenia jasminoides 'Kleim's Hardy'
  • Garrya elliptica
  • Garrya elliptica 'James Roof' (m)
  • Garrya × issaquahensis 'Glasnevin Wine' (m)
  • Gaultheria procumbens
  • Gaultheria × wisleyensis
  • Gaultheria × wisleyensis 'Pink Pixie'
  • Gazania 'Big Kiss White Flame' (Kiss Series)
  • Gazania 'Big Kiss Yellow Flame' (Kiss Series)
  • Genista 'Porlock'
  • Gentiana acaulis
  • Gentiana verna
  • Gentiana 'Alex Duguid'
  • Gentiana 'Amethyst'
  • Gentiana 'Berrybank Dome'
  • Gentiana 'Berrybank Sky'
  • Gentiana 'Berrybank Star'
  • Gentiana 'Blue Sea'
  • Gentiana 'Blue Silk'
  • Gentiana 'Cairngorm'
  • Gentiana 'Eugen's Allerbester' (d)
  • Gentiana 'Glamis Strain'
  • Gentiana 'Joan Ward'
  • Gentiana 'Shot Silk'
  • Gentiana 'Strathmore'
  • Geranium clarkei (Purple-flowered Group) 'Kashmir Purple'
  • Geranium dalmaticum
  • Geranium himalayense 'Baby Blue'
  • Geranium himalayense 'Gravetye'
  • Geranium himalayense 'Plenum' (d)
  • Geranium macrorrhizum 'Bevan's Variety'
  • Geranium macrorrhizum 'Ingwersen's Variety'
  • Geranium nodosum
  • Geranium nodosum 'Svelte Lilac'
  • Geranium phaeum
  • Geranium phaeum 'Album'
  • Geranium phaeum var. phaeum 'Langthorns Blue'
  • Geranium phaeum var. phaeum 'Samobor'
  • Geranium pratense 'Hocus Pocus'
  • Geranium pratense 'Mrs Kendall Clark'
  • Geranium psilostemon
  • Geranium psilostemon 'Jason Bloom'
  • Geranium sanguineum
  • Geranium sanguineum 'Album'
  • Geranium sanguineum 'Elsbeth'
  • Geranium sanguineum 'Max Frei'
  • Geranium sanguineum var. striatum
  • Geranium sanguineum var. striatum 'Splendens'
  • Geranium subcaulescens 'Giuseppii'
  • Geranium sylvaticum 'Mayflower'
  • Geranium wlassovianum
  • Geranium × cantabrigiense
  • Geranium × cantabrigiense 'Biokovo'
  • Geranium × cantabrigiense 'St Ola'
  • Geranium × johnsonii 'Johnson's Blue'
  • Geranium × magnificum
  • Geranium × magnificum 'Rosemoor'
  • Geranium × oxonianum 'Bressingham's Delight'
  • Geranium × oxonianum 'Lace Time'
  • Geranium × oxonianum 'Phoebe Noble'
  • Geranium × oxonianum 'Wargrave Pink'
  • Geranium (Cinereum Group) 'Ballerina'
  • Geranium Blue Sunrise = 'Blogold' (PBR)
  • Geranium Patricia = 'Brempat'
  • Geranium Rozanne = 'Gerwat' (PBR)
  • Geranium 'Azure Rush'
  • Geranium 'Bob's Blunder'
  • Geranium 'Brookside'
  • Geranium 'Eureka Blue'
  • Geranium 'Joy'
  • Geranium 'Kashmir Blue'
  • Geranium 'Little Gem'
  • Geranium 'Mavis Simpson'
  • Geranium 'Nicola'
  • Geranium 'Nimbus'
  • Geranium 'Orion'
  • Geranium 'Tiny Monster'
  • Geum coccineum 'Queen of Orange'
  • Geum montanum
  • Geum rivale
  • Geum rivale 'Album'
  • Geum Scarlet Tempest = 'Macgeu001' (PBR) (Tempest Series)
  • Geum 'Alabama Slammer' (Cocktails Series)
  • Geum 'Banana Daiquiri' (Cocktails Series)
  • Geum 'Blazing Sunset' (d)
  • Geum 'Borisii'
  • Geum 'Cosmopolitan' (Cocktails Series)
  • Geum 'Georgenberg'
  • Geum 'Lady Stratheden' (d)
  • Geum 'Mai Tai' (PBR) (Cocktails Series)
  • Geum 'Mrs J. Bradshaw' (d)
  • Geum 'Poco'
  • Geum 'Prince of Orange' (d)
  • Geum 'Tequila Sunrise' (Cocktails Series)
  • Geum 'Totally Tangerine' (PBR)
  • Gillenia trifoliata
  • Gladiolus communis subsp. byzantinus
  • Gladiolus murielae
  • Glandora prostrata 'Heavenly Blue'
  • Grevillea 'Canberra Gem'
  • Griselinia littoralis
  • Griselinia littoralis 'Variegata' (v)
  • Gunnera manicata
  • Gymnocarpium dryopteris 'Plumosum'
  • Gypsophila paniculata Summer Sparkles = 'Esm Chispa' (PBR)
  • Hakonechloa macra
  • Hakonechloa macra 'Alboaurea' (v)
  • Hakonechloa macra 'Aureola'
  • Halimium calycinum
  • Hamamelis mollis
  • Hamamelis mollis 'Jermyns Gold'
  • Hamamelis × intermedia 'Aphrodite'
  • Hamamelis × intermedia 'Arnold Promise'
  • Hamamelis × intermedia 'Barmstedt Gold'
  • Hamamelis × intermedia 'Diane'
  • Hamamelis × intermedia 'Jelena'
  • Hamamelis × intermedia 'Livia'
  • Hamamelis × intermedia 'Orange Beauty'
  • Hamamelis × intermedia 'Pallida'
  • Hamamelis × intermedia 'Robert'
  • Hamamelis × intermedia 'Rubin'
  • Hamamelis × intermedia 'Ruby Glow'
  • Hamamelis × intermedia 'Sunburst'
  • Hamamelis 'Yamina'
  • Hebe odora 'New Zealand Gold'
  • Hebe pimeleoides 'Quicksilver'
  • Hebe pinguifolia 'Pagei'
  • Hebe speciosa 'Variegata' (v)
  • Hebe Blue Star = 'Vergeer 1' (PBR)
  • Hebe Purple Shamrock = 'Neprock' (PBR) (v)
  • Hebe 'Blue Clouds'
  • Hebe 'Caledonia'
  • Hebe 'Emerald Gem'
  • Hebe 'Eveline'
  • Hebe 'Great Orme'
  • Hebe 'Heartbreaker' (PBR) (v)
  • Hebe 'Lady Ann' (PBR) (v)
  • Hebe 'Nicola's Blush'
  • Hebe 'Red Edge'
  • Hebe 'Spring Glory'
  • Hebe 'White Heather'
  • Hebe 'Wiri Charm'
  • Hebe 'Wiri Splash'
  • Hebe 'Youngii'
  • Hedera algeriensis 'Gloire de Marengo' (v)
  • Hedera colchica 'Dentata Variegata' (v)
  • Hedera colchica 'Sulphur Heart' (v)
  • Hedera helix 'Buttercup'
  • Hedera helix 'Clotted Cream' (v)
  • Hedera helix 'Green Ripple'
  • Helenium autumnale 'Fuego' (PBR) (Mariachi Series)
  • Helenium autumnale Helena Series
  • Helenium autumnale 'Salsa' (PBR) (Mariachi Series)
  • Helenium autumnale 'Siesta' (PBR) (Mariachi Series)
  • Helenium 'Bruno'
  • Helenium 'Can Can'
  • Helenium 'El Dorado'
  • Helenium 'Feuersiegel'
  • Helenium 'Flammendes Käthchen'
  • Helenium 'Königstiger'
  • Helenium 'Kanaria'
  • Helenium 'Moerheim Beauty'
  • Helenium 'Red Jewel'
  • Helenium 'Rubinzwerg'
  • Helenium 'Ruby Thuesday'
  • Helenium 'Sahin's Early Flowerer'
  • Helenium 'Waltraut'
  • Helenium 'Wesergold'
  • Helenium 'Wyndley'
  • Helianthemum lunulatum
  • Helianthemum 'Amy Baring'
  • Helianthemum 'Annabel' (d)
  • Helianthemum 'Ben Afflick'
  • Helianthemum 'Ben Fhada'
  • Helianthemum 'Ben Heckla'
  • Helianthemum 'Ben Hope'
  • Helianthemum 'Ben More'
  • Helianthemum 'Ben Vane'
  • Helianthemum 'Chocolate Blotch'
  • Helianthemum 'Fire Dragon'
  • Helianthemum 'Hartswood Ruby'
  • Helianthemum 'Henfield Brilliant'
  • Helianthemum 'Highdown Apricot'
  • Helianthemum 'Lawrenson's Pink'
  • Helianthemum 'Raspberry Ripple'
  • Helianthemum 'Rhodanthe Carneum'
  • Helianthemum 'Salmon Queen'
  • Helianthemum 'Sudbury Gem'
  • Helianthemum 'Sulphur Moon'
  • Helianthemum 'The Bride'
  • Helianthemum 'Wisley Primrose'
  • Helianthus 'Lemon Queen'
  • Helichrysum italicum 'Korma' (PBR)
  • Heliopsis helianthoides
  • Heliopsis helianthoides var. scabra 'Sunburst' (v)
  • Heliotropium 'Butterfly Kisses'
  • Helleborus argutifolius
  • Helleborus foetidus
  • Helleborus lividus
  • Helleborus niger
  • Helleborus niger HGC Joel = 'Coseh 210' (PBR)
  • Helleborus niger HGC Jonas = 'Coseh 220' (PBR)
  • Helleborus niger HGC Wintergold = 'Coseh 2010' (PBR)
  • Helleborus niger 'Mini Blanc'
  • Helleborus niger 'Potter's Wheel'
  • Helleborus × ballardiae HGC Camelot = 'Coseh 940' (PBR)
  • Helleborus × ballardiae HGC Maestro = 'Coseh 890' (PBR)
  • Helleborus × ballardiae HGC Merlin = 'Coseh 810' (PBR)
  • Helleborus × ballardiae HGC Snow Dance = 'Coseh 800' (PBR)
  • Helleborus × ballardiae 'Candy Love' (PBR)
  • Helleborus × ericsmithii HGC Monte Cristo = 'Coseh 860' (PBR)
  • Helleborus × ericsmithii HGC Shooting Star = 'Coseh 790' (PBR)
  • Helleborus × ericsmithii 'Ivory Prince' (PBR)
  • Helleborus × ericsmithii 'Snow Love' (PBR)
  • Helleborus × hybridus SP Anja Oudolf = 'Hlr 200' (Spring Promise Series)
  • Helleborus × hybridus SP Conny = 'Hlr 160' (PBR) (Spring Promise Series)
  • Helleborus × hybridus SP John Hopkins = 'Hlr 220' (Spring Promise Series)
  • Helleborus × hybridus Harvington apricot
  • Helleborus × hybridus Harvington double apricot (d)
  • Helleborus × hybridus Harvington double blush (d)
  • Helleborus × hybridus Harvington double chocolate (d)
  • Helleborus × hybridus Harvington double cream speckled (d)
  • Helleborus × hybridus Harvington double pink (d)
  • Helleborus × hybridus Harvington double pink speckled (d)
  • Helleborus × hybridus Harvington double purple cascade (d)
  • Helleborus × hybridus Harvington double red (d)
  • Helleborus × hybridus Harvington double white (d)
  • Helleborus × hybridus Harvington double yellow (d)
  • Helleborus × hybridus Harvington double yellow speckled (d)
  • Helleborus × hybridus Harvington dusky
  • Helleborus × hybridus Harvington picotee
  • Helleborus × hybridus Harvington pink
  • Helleborus × hybridus Harvington red
  • Helleborus × hybridus 'Harvington Shades of the Night'
  • Helleborus × hybridus 'Harvington Smokey Blues'
  • Helleborus × hybridus Harvington speckled
  • Helleborus × hybridus Harvington white
  • Helleborus × hybridus Harvington yellow
  • Helleborus × hybridus Harvington yellow speckled
  • Helleborus × nigercors 'Emma' (PBR)
  • Helleborus × sternii
  • Helleborus (Rodney Davey Marbled Group) Anna's Red = 'Abcrd02' (PBR) (Frostkiss Series)
  • Helleborus (Rodney Davey Marbled Group) Molly's White = 'Epbrd01' (PBR)
  • Helleborus (Rodney Davey Marbled Group) Penny's Pink = 'Abcrd01'
  • Helleborus Angel Glow = 'B11-02'
  • Helleborus HGC Paradenia = 'Coseh 960' (PBR)
  • Helleborus HGC Pink Frost = 'Coseh 710' (PBR)
  • Helleborus Walberton's Rosemary = 'Walhero' (PBR)
  • Hemerocallis lilioasphodelus
  • Hemerocallis 'Alan'
  • Hemerocallis 'Bonanza'
  • Hemerocallis 'Burning Daylight'
  • Hemerocallis 'Chicago Sunrise'
  • Hemerocallis 'Children's Festival'
  • Hemerocallis 'Edna Spalding'
  • Hemerocallis 'Frans Hals'
  • Hemerocallis 'Giant Moon'
  • Hemerocallis 'Golden Chimes'
  • Hemerocallis 'Happy Returns'
  • Hemerocallis 'Hornby Castle'
  • Hemerocallis 'Little Wine Cup'
  • Hemerocallis 'Penny's Worth'
  • Hemerocallis 'Pink Damask'
  • Hemerocallis 'Sammy Russell'
  • Hemerocallis 'Satin Glass'
  • Hemerocallis 'Stafford'
  • Hemerocallis 'Stella de Oro'
  • Hemerocallis 'Summer Wine'
  • Hepatica nobilis
  • Hesperantha coccinea 'Major'
  • Hesperis matronalis
  • Hesperis matronalis var. albiflora 'Alba Plena' (d)
  • Heuchera Crème Brûlée = 'Tnheu041' (Dolce Series)
  • Heuchera Licorice = 'Tnheu044' (PBR) (Dolce Series)
  • Heuchera Sugar Frosting = 'Pwheu0104' (PBR)
  • Heuchera 'Autumn Glow' (Seasonal Selection Series)
  • Heuchera 'Berry Smoothie' (PBR)
  • Heuchera 'Binoche' (PBR)
  • Heuchera 'Blackberry Jam'
  • Heuchera 'Blondie in Lime' (Little Cutie Series)
  • Heuchera 'Bright and Breezy' (Seasonal Selection Series)
  • Heuchera 'Can-can'
  • Heuchera 'Caramel' (PBR)
  • Heuchera 'Cherry Cola' (PBR)
  • Heuchera 'Chocolate Ruffles' (PBR)
  • Heuchera 'Dark Storm' (Seasonal Selection Series)
  • Heuchera 'Fire Chief' (PBR)
  • Heuchera 'Green Spice'
  • Heuchera 'Lime Marmalade'
  • Heuchera 'Malachite'
  • Heuchera 'Marmalade' (PBR)
  • Heuchera 'Mars'
  • Heuchera 'Midnight Rose'
  • Heuchera 'Paprika' (PBR)
  • Heuchera 'Paris' (PBR)
  • Heuchera 'Peach Flambé' (PBR)
  • Heuchera 'Plum Pudding' (PBR)
  • Heuchera 'September Morn' (Seasonal Selection Series)
  • Heuchera 'Silver Scrolls' (PBR)
  • Heuchera 'Sweet Tart' (PBR) (Little Cutie Series)
  • Heuchera 'Winter Joy' (Seasonal Selection Series)
  • Hibiscus syriacus Starburst Chiffon = 'Rwoods6' (Chiffon Series)
  • Hibiscus syriacus 'Diana'
  • Hibiscus syriacus 'Hamabo'
  • Hibiscus syriacus 'Red Heart'
  • Hibiscus syriacus 'Woodbridge'
  • Hibiscus Rose Moon = 'Walhirosmo' (PBR)
  • Hoheria sexstylosa 'Stardust'
  • Holboellia latifolia
  • Hosta fortunei var. aureomarginata (v)
  • Hosta undulata var. erromena
  • Hosta venusta
  • Hosta (Tardiana Group) 'Halcyon'
  • Hosta (Tardiana Group) 'June' (PBR) (v)
  • Hosta 'August Moon'
  • Hosta 'Big Daddy' (sieboldiana hybrid) (v)
  • Hosta 'Blue Angel' (sieboldiana)
  • Hosta 'Blue Cadet'
  • Hosta 'Bressingham Blue'
  • Hosta 'Devon Green'
  • Hosta 'First Frost' (v)
  • Hosta 'Francee' (fortunei) (v)
  • Hosta 'Frances Williams' (sieboldiana) (v)
  • Hosta 'Ginko Craig' (v)
  • Hosta 'Golden Medallion' (tokudama)
  • Hosta 'Golden Tiara' (v)
  • Hosta 'Guacamole' (v)
  • Hosta 'Hydon Sunset'
  • Hosta 'Krossa Regal'
  • Hosta 'Orange Marmalade' (v)
  • Hosta 'Patriot' (v)
  • Hosta 'Prince of Wales'
  • Hosta 'Queen Josephine' (v)
  • Hosta 'Royal Standard'
  • Hosta 'Shade Fanfare' (v)
  • Hosta 'So Sweet' (v)
  • Hosta 'Sum and Substance'
  • Hosta 'Sweet Susan'
  • Hosta 'Wide Brim' (v)
  • Hyacinthoides non-scripta
  • Hyacinthus orientalis 'China Pink'
  • Hyacinthus orientalis 'City of Haarlem'
  • Hyacinthus orientalis 'Delft Blue'
  • Hyacinthus orientalis 'Pink Pearl'
  • Hyacinthus orientalis 'White Pearl'
  • Hydrangea anomala subsp. petiolaris
  • Hydrangea anomala subsp. petiolaris 'Silver Lining' (PBR)
  • Hydrangea arborescens Pink Annabelle = 'Ncha1' (PBR)
  • Hydrangea arborescens Strong Annabelle = 'Abetwo' (PBR)
  • Hydrangea arborescens 'Annabelle'
  • Hydrangea arborescens 'Hayes Starburst' (PBR)
  • Hydrangea aspera subsp. sargentiana
  • Hydrangea aspera subsp. sargentiana Gold Rush = 'Giel'
  • Hydrangea aspera Villosa Group
  • Hydrangea macrophylla Love = 'Youme H1917' (PBR) (H/d)
  • Hydrangea macrophylla Romance = 'Youmenine' (PBR) (H/d)
  • Hydrangea macrophylla Salsa = 'Sidsalimp' (PBR) (Dutch Ladies Series) (H/d)
  • Hydrangea macrophylla Strawberries 'n' Cream = 'Mak2' (PBR) (L)
  • Hydrangea macrophylla 'Cardinal Red' (H)
  • Hydrangea macrophylla 'King George' (H)
  • Hydrangea macrophylla 'Koria' (PBR) (L)
  • Hydrangea macrophylla 'Sabrina' (Dutch Ladies Series) (H)
  • Hydrangea macrophylla 'Sandra' (Dutch Ladies Series) (L)
  • Hydrangea macrophylla 'Zorro' (PBR) (L)
  • Hydrangea paniculata Pink Diamond = 'Interhydia'
  • Hydrangea paniculata Pinky-Winky = 'Dvppinky' (PBR)
  • Hydrangea paniculata Vanille Fraise = 'Renhy' (PBR)
  • Hydrangea paniculata 'Big Ben'
  • Hydrangea paniculata 'Dolly'
  • Hydrangea paniculata 'Everest'
  • Hydrangea paniculata 'Floribunda'
  • Hydrangea paniculata 'Grandiflora'
  • Hydrangea paniculata 'Greenspire'
  • Hydrangea paniculata 'Kyushu'
  • Hydrangea paniculata 'Limelight' (PBR)
  • Hydrangea paniculata 'Phantom'
  • Hydrangea paniculata 'Rosy Morn'
  • Hydrangea paniculata 'Silver Dollar'
  • Hydrangea paniculata 'Unique'
  • Hydrangea quercifolia
  • Hydrangea quercifolia Snow Queen = 'Flemygea'
  • Hydrangea quercifolia Snowflake = 'Brido' (d)
  • Hydrangea seemannii
  • Hydrangea Miss Saori = 'H2002' (PBR) (d)
  • Hydrangea 'Preziosa'
  • Hylotelephium cyaneum 'Sakhalin'
  • Hylotelephium erythrostictum 'Frosty Morn' (v)
  • Hylotelephium spectabile (Brilliant Group) 'Septemberglut'
  • Hylotelephium spectabile Brilliant Group
  • Hylotelephium spectabile 'Stardust'
  • Hylotelephium telephium (Atropurpureum Group) 'Bressingham Purple'
  • Hylotelephium telephium (Atropurpureum Group) 'Dark Knight'
  • Hylotelephium (Herbstfreude Group) 'Herbstfreude'
  • Hylotelephium 'Bertram Anderson'
  • Hylotelephium 'Lime Zinger' (PBR) (SunSparkler Series)
  • Hylotelephium 'Matrona'
  • Hylotelephium 'Munstead Red'
  • Hylotelephium 'Pool Party' (PBR) (Party Hardy Series)
  • Hylotelephium 'Ruby Glow'
  • Hylotelephium 'Vera Jameson'
  • Hypericum lancasteri
  • Hypericum olympicum
  • Hypericum olympicum f. minus 'Sulphureum'
  • Hypericum × hidcoteense 'Hidcote'
  • Hypericum × moserianum
  • Hypericum × moserianum Little Misstery = 'Dunnehyp' (PBR) (v)
  • Hypericum Miracle Attraction = 'Alldiablo' (PBR) (Miracle Series)
  • Hypericum Miracle Blizz = 'Allblizz' (Miracle Series)
  • Hypericum Miracle Blossom = 'Allblossom' (PBR) (Miracle Series)
  • Hypericum 'Daybreak'
  • Iberis saxatilis
  • Iberis sempervirens 'Appen-Etz'
  • Iberis 'Pink Ice'
  • Ilex aquifolium 'Alaska' (f)
  • Ilex aquifolium 'Angustifolia' (m or f)
  • Ilex aquifolium 'Argentea Marginata' (f/v)
  • Ilex aquifolium 'Argentea Marginata Pendula' (f/v)
  • Ilex aquifolium 'Ferox' (m)
  • Ilex aquifolium 'Ferox Argentea' (m/v)
  • Ilex aquifolium 'Handsworth New Silver' (f/v)
  • Ilex aquifolium 'J.C. van Tol' (f)
  • Ilex aquifolium 'Madame Briot' (f/v)
  • Ilex aquifolium 'Myrtifolia Aurea Maculata' (m/v)
  • Ilex aquifolium 'Pyramidalis' (f)
  • Ilex aquifolium 'Silver Milkmaid' (f/v)
  • Ilex crenata (Fastigata Group) 'Fastigiata' (f)
  • Ilex crenata Fastigiata Group
  • Ilex crenata 'Golden Gem' (f/v)
  • Ilex crenata 'Shiro-fukurin' (f/v)
  • Ilex crenata 'Variegata' (v)
  • Ilex × altaclerensis 'Golden King' (f/v)
  • Ilex × altaclerensis 'Lawsoniana' (f/v)
  • Ilex × altaclerensis 'Ripley Gold' (f/v)
  • Imperata cylindrica 'Rubra'
  • Incarvillea mairei
  • Indigofera himalayensis 'Silk Road'
  • Inula magnifica
  • Inula orientalis
  • Ipheion uniflorum 'Charlotte Bishop'
  • Ipheion uniflorum 'Wisley Blue'
  • Iris delavayi 'Didcot'
  • Iris ensata
  • Iris ensata 'Moonlight Waves'
  • Iris ensata 'Rose Queen'
  • Iris ensata 'Variegata' (v)
  • Iris histrioides 'Lady Beatrix Stanley'
  • Iris laevigata
  • Iris pallida 'Argentea Variegata' (TB/v)
  • Iris pseudacorus
  • Iris pseudacorus 'Variegata' (v)
  • Iris pumila
  • Iris 'Action Front' (TB)
  • Iris 'Actress' (TB)
  • Iris 'Berkeley Gold' (TB)
  • Iris 'Beverly Sills' (TB)
  • Iris 'Bold Print' (IB)
  • Iris 'Braithwaite' (TB)
  • Iris 'Caesar's Brother' (Sib)
  • Iris 'Carnival Time' (TB)
  • Iris 'Clairette' (Reticulata)
  • Iris 'Deep Black' (TB)
  • Iris 'Immortality' (TB)
  • Iris 'Jane Phillips' (TB)
  • Iris 'Joyce' (Reticulata)
  • Iris 'Katharine Hodgkin' (Reticulata)
  • Iris 'Love's Tune' (IB)
  • Iris 'Ola Kalá' (TB)
  • Iris 'Pogo' (SDB)
  • Iris 'Rajah' (TB)
  • Iris 'Sable' (TB)
  • Iris 'Sheila Ann Germaney' (Reticulata)
  • Iris 'Silver Edge' (Sib)
  • Iris 'Sparkling Rose' (Sib)
  • Iris 'Stepping Out' (TB)
  • Iris 'Tropic Night' (Sib)
  • Iris 'Winter Olympics' (TB)
  • Itea ilicifolia
  • Jasminum beesianum
  • Jasminum humile 'Revolutum'
  • Jasminum nudiflorum
  • Jasminum nudiflorum 'Aureum'
  • Jasminum nudiflorum 'Mystique' (v)
  • Jasminum officinale
  • Jasminum officinale Fiona Sunrise = 'Frojas' (PBR)
  • Jasminum officinale Sunbeam = 'Lowbeam'
  • Jasminum officinale 'Devon Cream' (PBR)
  • Jasminum officinale f. affine
  • Jasminum officinale 'Inverleith'
  • Jasminum × stephanense
  • Jeffersonia diphylla
  • Jeffersonia dubia
  • Jovibarba allionii 'Oki'
  • Jovibarba heuffelii
  • Jovibarba hirta var. neilreichii
  • Jovibarba sobolifera 'Green Globe'
  • Juncus effusus f. spiralis
  • Kalmia angustifolia f. rubra
  • Kerria japonica 'Golden Guinea'
  • Kerria japonica 'Pleniflora' (d)
  • Knautia macedonica
  • Knautia macedonica 'Mars Midget'
  • Knautia macedonica Melton pastels
  • Knautia macedonica 'Red Knight'
  • Knautia macedonica 'Thunder and Lightning' (PBR) (v)
  • Kniphofia caulescens
  • Kniphofia rooperi
  • Kniphofia Bressingham Sunbeam = 'Bresun'
  • Kniphofia 'Bees' Lemon'
  • Kniphofia 'Bees' Sunset'
  • Kniphofia 'Bressingham Comet'
  • Kniphofia 'Brimstone' Bloom
  • Kniphofia 'Cobra'
  • Kniphofia 'Coral Flame'
  • Kniphofia 'Drummore Apricot'
  • Kniphofia 'Elvira' (PBR)
  • Kniphofia 'Fiery Fred'
  • Kniphofia 'Goldelse'
  • Kniphofia 'Innocence'
  • Kniphofia 'Jenny Bloom'
  • Kniphofia 'Lemon Popsicle' (PBR) (Popsicle Series)
  • Kniphofia 'Little Maid'
  • Kniphofia 'Mango Popsicle' (PBR) (Popsicle Series)
  • Kniphofia 'Minister Verschuur'
  • Kniphofia 'Nancy's Red'
  • Kniphofia 'Nobilis'
  • Kniphofia 'Orange Vanilla Popsicle' (PBR) (Popsicle Series)
  • Kniphofia 'Papaya Popsicle' (PBR) (Popsicle Series)
  • Kniphofia 'Penny Rockets'
  • Kniphofia 'Percy's Pride'
  • Kniphofia 'Royal Castle'
  • Kniphofia 'Royal Standard'
  • Kniphofia 'Timothy'
  • Kniphofia 'Toffee Nosed'
  • Kniphofia 'Vesta'
  • Koeleria glauca
  • Kolkwitzia amabilis 'Pink Cloud'
  • Lactuca sativa 'Iceberg'
  • Lactuca sativa 'Little Gem'
  • Lactuca sativa 'Lollo Rossa'
  • Lamium maculatum 'Pink Pewter'
  • Lamium maculatum 'Red Nancy'
  • Lamium maculatum 'White Nancy'
  • Lampranthus brownii
  • Lampranthus roseus
  • Lamprocapnos spectabilis
  • Lamprocapnos spectabilis Valentine = 'Hordival' (PBR)
  • Lamprocapnos spectabilis 'Alba'
  • Lathyrus latifolius 'Red Pearl'
  • Lathyrus latifolius 'Rosa Perle'
  • Lathyrus latifolius 'White Pearl'
  • Lathyrus vernus
  • Lathyrus vernus 'Alboroseus'
  • Lathyrus vernus purple-flowered
  • Lathyrus vernus 'Rainbow'
  • Laurus nobilis
  • Lavandula angustifolia
  • Lavandula angustifolia Melissa Lilac = 'Dow4' (PBR)
  • Lavandula angustifolia 'Arctic Snow'
  • Lavandula angustifolia 'Hidcote'
  • Lavandula angustifolia 'Imperial Gem'
  • Lavandula angustifolia 'Loddon Blue'
  • Lavandula angustifolia 'Loddon Pink'
  • Lavandula angustifolia 'Munstead'
  • Lavandula pedunculata subsp. lusitanica Lusi Pink = 'Wijs02' (PBR)
  • Lavandula pedunculata subsp. lusitanica Lusi Purple
  • Lavandula pedunculata subsp. pedunculata 'James Compton'
  • Lavandula pedunculata subsp. sampaiana 'Purple Emperor'
  • Lavandula stoechas
  • Lavandula stoechas Bella Lavender = 'Bellav' (Bella Series)
  • Lavandula stoechas Javelin Blue = 'Jin Bulle' (Javelin Series)
  • Lavandula stoechas 'Spring-break Princess'
  • Lavandula stoechas subsp. stoechas Lilac Wings = 'Prolil' (PBR)
  • Lavandula stoechas subsp. stoechas 'Provençal'
  • Lavandula stoechas 'Victory'
  • Lavandula viridis
  • Lavandula × chaytoriae 'Sawyers'
  • Lavandula × intermedia Platinum Blonde = 'Momparler' (PBR)
  • Lavandula × intermedia 'Hidcote Giant'
  • Lavandula × intermedia 'Sussex'
  • Lavandula Tiara = 'Fair 10' (PBR)
  • Lavandula 'Bouquet of Roses'
  • Lavandula 'Helmsdale' (PBR)
  • Lavandula 'Regal Splendour' (PBR)
  • Lavatera × clementii 'Barnsley'
  • Lavatera × clementii 'Barnsley Baby'
  • Lavatera × clementii 'Burgundy Wine'
  • Lavatera × clementii 'Mary Hope'
  • Lavatera × clementii 'Rosea'
  • Leptospermum scoparium (Nanum Group) 'Kiwi'
  • Leptospermum scoparium 'Red Damask' (d)
  • Leptospermum scoparium 'Snow Flurry'
  • Lespedeza thunbergii
  • Lespedeza thunbergii subsp. thunbergii 'White Fountain'
  • Leucanthemum vulgare 'Maikönigin'
  • Leucanthemum × superbum Broadway Lights = 'Leumayel' (PBR)
  • Leucanthemum × superbum Freak! = 'Leuz0001' (PBR)
  • Leucanthemum × superbum 'Aglaia' (d)
  • Leucanthemum × superbum 'Alaska'
  • Leucanthemum × superbum 'Banana Cream'
  • Leucanthemum × superbum 'Becky'
  • Leucanthemum × superbum 'Bridal Bouquet' (PBR)
  • Leucanthemum × superbum 'LaCrosse' (Ooh La Series)
  • Leucanthemum × superbum 'Polaris'
  • Leucanthemum × superbum 'Real Galaxy' (PBR) (Realflor Series)
  • Leucanthemum × superbum 'Real Glory' (Realflor Series)
  • Leucanthemum × superbum 'Real Neat' (Realflor Series)
  • Leucanthemum × superbum 'Snowdrift'
  • Leucanthemum × superbum 'Sonnenschein'
  • Leucanthemum × superbum 'Starburst' (d)
  • Leucanthemum × superbum 'T.E. Killin' (d)
  • Leucanthemum × superbum 'Wirral Supreme' (d)
  • Leucanthemum 'Real Charmer' (PBR) (Realflor Series)
  • Leucojum aestivum 'Gravetye Giant'
  • Leucothoe axillaris 'Curly Red' (PBR)
  • Leucothoe fontanesiana 'Rainbow' (v)
  • Leucothoe Carinella = 'Zebekot'
  • Leucothoe Scarletta = 'Zeblid'
  • Lewisia cotyledon
  • Lewisia nevadensis
  • Lewisiopsis tweedyi
  • Lewisiopsis tweedyi 'Rosea'
  • Leycesteria formosa
  • Leycesteria formosa Golden Lanterns = 'Notbruce' (PBR)
  • Leycesteria formosa 'Purple Rain'
  • Liatris spicata 'Floristan Violett'
  • Liatris spicata 'Floristan Weiss'
  • Liatris spicata 'Kobold'
  • Ligularia dentata 'Desdemona'
  • Ligularia dentata 'Othello'
  • Ligularia przewalskii
  • Ligularia × yoshizoeana 'Palmatiloba'
  • Ligularia 'Britt Marie Crawford' (PBR)
  • Ligularia 'Sungold'
  • Ligularia 'The Rocket'
  • Ligularia 'Zepter'
  • Ligustrum sinense 'Sunshine'
  • Lilium formosanum var. pricei (IXb/a)
  • Lilium 'Dark Romance' (Romance Series) (VIIb/b)
  • Lilium 'Star Gazer' (VIIa/c)
  • Linaria purpurea 'Canon Went'
  • Liquidambar acalycina 'Spinners'
  • Liquidambar styraciflua 'Andrew Hewson'
  • Liquidambar styraciflua 'Pasquali Fastigiata'
  • Liquidambar styraciflua 'Slender Silhouette'
  • Liquidambar styraciflua 'Thea'
  • Liquidambar styraciflua 'Worplesdon'
  • Liriope muscari
  • Liriope muscari 'Big Blue'
  • Liriope muscari 'Variegata' (v)
  • Lobelia cardinalis 'Queen Victoria'
  • Lobelia siphilitica
  • Lobelia × speciosa 'Hadspen Purple' (PBR)
  • Lobelia × speciosa 'Russian Princess' purple-flowered
  • Lobelia × speciosa 'Starship Deep Rose' (Starship Series)
  • Lobelia × speciosa 'Starship Scarlet' (Starship Series)
  • Lobelia × speciosa 'Tania'
  • Lonicera elisae
  • Lonicera etrusca 'Donald Waterer'
  • Lonicera fragrantissima
  • Lonicera henryi
  • Lonicera henryi 'Copper Beauty' (PBR)
  • Lonicera japonica 'Halliana'
  • Lonicera japonica 'Hall's Prolific'
  • Lonicera japonica 'Mint Crisp' (PBR) (v)
  • Lonicera japonica var. repens
  • Lonicera maackii
  • Lonicera periclymenum 'Belgica'
  • Lonicera periclymenum 'Graham Thomas'
  • Lonicera periclymenum 'Scentsation' (PBR)
  • Lonicera periclymenum 'Serotina'
  • Lonicera periclymenum 'Sweet Sue'
  • Lonicera × brownii 'Dropmore Scarlet'
  • Lonicera × heckrottii 'Gold Flame' hort.
  • Lonicera × purpusii 'Winter Beauty'
  • Lonicera × tellmanniana
  • Lonicera 'Celestial' (PBR)
  • Lophomyrtus × ralphii 'Magic Dragon' (PBR) (v)
  • Lotus hirsutus Little Boy Blue = 'Lisbob' (PBR)
  • Luma apiculata
  • Luma apiculata 'Glanleam Gold' (v)
  • Lupinus 'Beefeater'
  • Lupinus 'Blossom' (PBR)
  • Lupinus 'Chandelier' (Band of Nobles Series)
  • Lupinus 'Desert Sun' (PBR)
  • Lupinus 'Gallery Blue' (Gallery Series)
  • Lupinus 'Gallery Pink' (Gallery Series)
  • Lupinus 'Gallery Red' (Gallery Series)
  • Lupinus 'Gallery White' (Gallery Series)
  • Lupinus 'Gallery Yellow' (Gallery Series)
  • Lupinus 'Gladiator' (PBR)
  • Lupinus 'Manhattan Lights' (PBR)
  • Lupinus 'Masterpiece' (PBR)
  • Lupinus 'My Castle' (Band of Nobles Series)
  • Lupinus 'Noble Maiden' (Band of Nobles Series)
  • Lupinus 'Persian Slipper' (PBR)
  • Lupinus 'Rachel de Thame'
  • Lupinus 'Salmon Star' (PBR)
  • Lupinus 'Tequila Flame' (PBR)
  • Lupinus 'The Chatelaine' (Band of Nobles Series)
  • Lupinus 'The Governor' (Band of Nobles Series)
  • Lupinus 'The Page' (Band of Nobles Series)
  • Lupinus 'Towering Inferno'
  • Luzula sylvatica 'Aurea'
  • Luzula sylvatica 'Taggart's Cream' (v)
  • Lychnis coronaria
  • Lychnis coronaria 'Alba'
  • Lychnis coronaria Atrosanguinea Group
  • Lychnis flos-cuculi Jenny = 'Lychjen' (d)
  • Lychnis flos-cuculi 'Petite Jenny' (d)
  • Lychnis flos-cuculi 'White Robin'
  • Lysimachia atropurpurea 'Beaujolais'
  • Lysimachia ciliata 'Firecracker'
  • Lysimachia clethroides 'Lady Jane'
  • Lysimachia punctata 'Alexander' (v)
  • Lythrum salicaria 'Blush'
  • Lythrum salicaria 'Feuerkerze'
  • Lythrum salicaria 'Robert'
  • Lythrum salicaria 'Robin'
  • Lythrum virgatum 'Dropmore Purple'
  • Macleaya cordata (Willd.) R. Br.
  • Magnolia stellata
  • Magnolia stellata 'Jane Platt'
  • Magnolia stellata 'Royal Star'
  • Magnolia stellata 'Water Lily'
  • Magnolia × loebneri 'Leonard Messel'
  • Magnolia × soulangeana
  • Magnolia 'Susan'
  • Mahonia aquifolium 'Atropurpurea'
  • Mahonia bealei
  • Mahonia eurybracteata subsp. ganpinensis 'Soft Caress'
  • Mahonia japonica
  • Mahonia nitens 'Cabaret' (PBR)
  • Mahonia oiwakensis subsp. lomariifolia
  • Mahonia × media 'Charity'
  • Mahonia × media 'Lionel Fortescue'
  • Mahonia × media 'Winter Sun'
  • Mahonia × wagneri 'Pinnacle'
  • Malus domestica Paradice Gold (D)
  • Malus domestica 'Ashmead's Kernel' (D)
  • Malus domestica 'Bramley's Seedling' (C)
  • Malus domestica 'Christmas Pippin' (PBR) (D)
  • Malus domestica 'Egremont Russet' (D)
  • Malus domestica 'James Grieve' (D)
  • Malus domestica 'Kidd's Orange Red' (D)
  • Malus domestica 'Red Windsor' (D)
  • Malus domestica 'Scrumptious' (PBR) (D)
  • Malus 'Evereste'
  • Matteuccia orientalis
  • Matteuccia struthiopteris
  • Melittis melissophyllum 'Royal Velvet Distinction' (PBR)
  • Microlepia strigosa 'MacFaddeniae'
  • Miscanthus sinensis 'Abundance'
  • Miscanthus sinensis 'China'
  • Miscanthus sinensis 'Ferner Osten'
  • Miscanthus sinensis 'Flamingo'
  • Miscanthus sinensis 'Hermann Müssel'
  • Miscanthus sinensis 'Kleine Silberspinne'
  • Miscanthus sinensis 'Malepartus'
  • Miscanthus sinensis 'Morning Light' (v)
  • Miscanthus sinensis 'Red Chief'
  • Miscanthus sinensis 'Starlight'
  • Miscanthus sinensis 'Strictus' (v)
  • Miscanthus sinensis 'Yakushima Dwarf'
  • Miscanthus sinensis 'Zebrinus' (v)
  • Molinia caerulea subsp. arundinacea 'Karl Foerster'
  • Molinia caerulea subsp. arundinacea 'Skyracer'
  • Moltkia petraea
  • Moltkia × intermedia
  • Monarda didyma 'Cranberry Lace' (PBR)
  • Monarda didyma 'Pink Lace' (PBR)
  • Monarda 'Cambridge Scarlet'
  • Monarda 'Croftway Pink'
  • Monarda 'Fireball' (PBR)
  • Monarda 'Gardenview Scarlet'
  • Monarda 'Jacob Cline'
  • Monarda 'Mahogany'
  • Monarda 'Marshall's Delight'
  • Monarda 'Melissa'
  • Monarda 'Prärienacht'
  • Monarda 'Raspberry Wine'
  • Monarda 'Scorpion'
  • Monarda 'Violet Queen'
  • Morina longifolia
  • Muscari armeniacum
  • Muscari armeniacum 'Peppermint'
  • Muscari armeniacum 'Siberian Tiger'
  • Muscari latifolium
  • Muscari latifolium 'Grape Ice'
  • Muscari 'Big Smile'
  • Myrtus communis
  • Nandina domestica 'Fire Power'
  • Nandina domestica 'Gulf Stream'
  • Nandina domestica 'Richmond'
  • Nandina domestica 'Twilight' (PBR) (v)
  • Narcissus bulbocodium Golden Bells Group (10)
  • Narcissus bulbocodium subsp. bulbocodium var. citrinus (13)
  • Narcissus bulbocodium subsp. obesus 'Diamond Ring' (10)
  • Narcissus cyclamineus (13)
  • Narcissus 'February Gold' (6)
  • Narcissus 'Ice Baby' (PBR) (1)
  • Narcissus 'Jetfire' (6)
  • Narcissus 'Jumblie' (12)
  • Narcissus 'Minnow' (8)
  • Narcissus 'Rip van Winkle' (4)
  • Narcissus 'Tête-À-tête' (12)
  • Narcissus 'Topolino' (1)
  • Nemesia Amelie = 'Fleurame' (PBR)
  • Nemesia Aroma Banana Split (Aroma Series)
  • Nemesia Aroma Rhubarb and Custard (Aroma Series)
  • Nemesia Berries and Cream = 'Fleurbac' (PBR)
  • Nemesia Framboise = 'Fleurfram' (PBR)
  • Nemesia Myrtille = 'Fleurmyr' (PBR)
  • Nemesia Sunsatia Plus Lychee = 'Innemlyche' (PBR) (Sunsatia Plus Series)
  • Nemesia Sunsatia Plus Pomelo = 'Innemsunpo' (PBR) (Sunsatia Plus Series)
  • Nemesia 'Bordeaux'
  • Nemesia 'Cream Surprise'
  • Nemesia 'Easter Bonnet' (PBR) (French Connection Series)
  • Nemesia 'Evening Dusk'
  • Nemesia 'Lady Penelope'
  • Nemesia 'Wisley Vanilla'
  • Nepeta faassenii 'Purrsian Blue' (PBR)
  • Nepeta grandiflora 'Bramdean'
  • Nepeta grandiflora 'Dawn to Dusk'
  • Nepeta grandiflora 'Summer Magic' (PBR)
  • Nepeta nervosa 'Pink Cat'
  • Nepeta racemosa 'Snowflake'
  • Nepeta racemosa 'Walker's Low'
  • Nepeta sibirica 'Souvenir d'André Chaudron'
  • Nepeta subsessilis
  • Nepeta × faassenii
  • Nepeta × faassenii Junior Walker = 'Novanepjun' (PBR)
  • Nepeta × faassenii 'Blue Wonder'
  • Nepeta × faassenii 'Crystal Cloud'
  • Nepeta × faassenii 'Kit Cat'
  • Nepeta 'Six Hills Giant'
  • Nerine bowdenii
  • Nicotiana sylvestris
  • Nyssa sinensis
  • Nyssa sinensis 'Inferno'
  • Nyssa sylvatica 'Isabel Grace'
  • Nyssa sylvatica 'Jermyns Flame'
  • Nyssa sylvatica 'Lakeside Weeper'
  • Nyssa sylvatica 'Wisley Bonfire' (m)
  • Oenothera lindheimeri Freefolk Rosy = 'Harrfolk' (G/v)
  • Oenothera lindheimeri Gaudi Pink = 'Florgaucompi' (G)
  • Oenothera lindheimeri Gaudi Red = 'Florgaured' (G)
  • Oenothera lindheimeri Papillon = 'Nugaupapil' (PBR) (G)
  • Oenothera lindheimeri Rosyjane = 'Harrosy' (PBR) (G)
  • Omphalodes cappadocica 'Cherry Ingram'
  • Omphalodes verna
  • Onoclea sensibilis
  • Onopordum acanthium
  • Onychium japonicum
  • Ophiopogon planiscapus 'Kokuryu'
  • Origanum laevigatum 'Herrenhausen'
  • Origanum laevigatum 'Hopleys'
  • Origanum vulgare 'Aureum'
  • Origanum vulgare 'Country Cream' (v)
  • Origanum vulgare 'Thumble's Variety'
  • Ornithogalum umbellatum
  • Orostachys spinosa
  • Osmanthus delavayi
  • Osmanthus delavayi 'Latifolius'
  • Osmanthus heterophyllus 'Goshiki' (v)
  • Osmanthus heterophyllus 'Gulftide'
  • Osmanthus heterophyllus 'Purple Shaft'
  • Osmanthus heterophyllus 'Variegatus' (v)
  • Osmanthus × burkwoodii
  • Osmunda cinnamomea
  • Osmunda claytoniana
  • Osmunda regalis
  • Osmunda regalis 'Purpurascens'
  • Osteospermum jucundum var. compactum
  • Osteospermum 'Lady Leitrim'
  • Osteospermum 'Stardust'
  • Oxalis adenophylla
  • Oxalis enneaphylla
  • Ozothamnus rosmarinifolius
  • Ozothamnus rosmarinifolius 'Silver Jubilee'
  • Pachysandra terminalis
  • Pachysandra terminalis 'Green Carpet'
  • Pachysandra terminalis 'Variegata' (v)
  • Paeonia cambessedesii
  • Paeonia cambessedesii × daurica subsp. mlokosewitschii
  • Paeonia daurica subsp. mlokosewitschii
  • Paeonia delavayi (S)
  • Paeonia delavayi var. delavayi f. lutea (S)
  • Paeonia lactiflora 'Antwerpen'
  • Paeonia lactiflora 'Border Gem'
  • Paeonia lactiflora 'Bowl of Beauty'
  • Paeonia lactiflora 'Bunker Hill'
  • Paeonia lactiflora 'Edulis Superba'
  • Paeonia lactiflora 'Gardenia'
  • Paeonia lactiflora 'Karl Rosenfield'
  • Paeonia lactiflora 'Krinkled White'
  • Paeonia lactiflora 'Lord Kitchener'
  • Paeonia lactiflora 'Sarah Bernhardt'
  • Paeonia lactiflora 'Shirley Temple'
  • Paeonia lactiflora 'Sword Dance'
  • Paeonia lactiflora 'White Wings'
  • Paeonia 'Bartzella' (d)
  • Paeonia 'Pastel Splendor'
  • Panicum virgatum 'Heavy Metal'
  • Panicum virgatum 'Northwind'
  • Panicum virgatum 'Prairie Sky'
  • Panicum virgatum 'Shenandoah'
  • Panicum virgatum 'Warrior'
  • Papaver (Oriental Group) 'Harlem' (New York Series)
  • Papaver (Oriental Group) 'Patty's Plum'
  • Papaver (Oriental Group) 'Pizzicato'
  • Papaver (Oriental Group) 'Prinzessin Victoria Louise'
  • Papaver (Oriental Group) 'Royal Wedding'
  • Papaver 'Moondance'
  • Parthenocissus henryana
  • Parthenocissus quinquefolia
  • Parthenocissus quinquefolia Red Wall = 'Troki'
  • Parthenocissus tricuspidata 'Veitchii'
  • Passiflora caerulea
  • Passiflora caerulea 'Constance Eliott'
  • Passiflora × violacea
  • Passiflora 'Snow Queen' (PBR)
  • Pellaea rotundifolia
  • Pennisetum alopecuroides 'Dark Desire'
  • Pennisetum alopecuroides 'Hameln'
  • Pennisetum alopecuroides 'Red Head'
  • Pennisetum orientale
  • Pennisetum orientale 'Shogun'
  • Pennisetum thunbergii 'Red Buttons'
  • Pennisetum 'Fairy Tails'
  • Penstemon barbatus 'Pinacolada Blue' (Pinacolada Series)
  • Penstemon campanulatus
  • Penstemon digitalis 'Husker Red'
  • Penstemon heterophyllus 'Electric Blue'
  • Penstemon heterophyllus 'Heavenly Blue'
  • Penstemon pinifolius
  • Penstemon Phoenix Appleblossom 09 = 'Peni Ablos09' (Phoenix Series)
  • Penstemon Phoenix Magenta 09 = 'Peni Mag09' (Phoenix Series)
  • Penstemon Phoenix Red = 'Pheni Reeda' (PBR) (Phoenix Series)
  • Penstemon Phoenix Violet 09 = 'Peni Vio09' (PBR) (Phoenix Series)
  • Penstemon Vesuvius = 'Yasius' (Volcano Series)
  • Penstemon 'Andenken an Friedrich Hahn'
  • Penstemon 'Apple Blossom'
  • Penstemon 'Blackbird' (Bird Series)
  • Penstemon 'Hewell Pink Bedder'
  • Penstemon 'Hidcote Pink'
  • Penstemon 'Pensham Amelia Jane' (Pensham Series)
  • Penstemon 'Pensham Czar' (Pensham Series)
  • Penstemon 'Pensham Eleanor Young' (Pensham Series)
  • Penstemon 'Pensham Laura' (Pensham Series)
  • Penstemon 'Pensham Plum Jerkum' (Pensham Series)
  • Penstemon 'Purple Bedder'
  • Penstemon 'Purple Passion'
  • Penstemon 'Raven' (Bird Series)
  • Penstemon 'Rich Ruby'
  • Penstemon 'Rubicundus'
  • Penstemon 'Sour Grapes' M. Fish
  • Penstemon 'White Bedder'
  • Persicaria affinis 'Darjeeling Red'
  • Persicaria affinis 'Donald Lowndes'
  • Persicaria affinis 'Superba'
  • Persicaria amplexicaulis Orange Field = 'Orangofield' (PBR)
  • Persicaria amplexicaulis Taurus = 'Blotau'
  • Persicaria amplexicaulis 'Alba'
  • Persicaria amplexicaulis 'Blackfield' (PBR)
  • Persicaria amplexicaulis 'Fat Domino' (PBR)
  • Persicaria amplexicaulis 'Firetail'
  • Persicaria amplexicaulis 'Pink Knot'
  • Persicaria amplexicaulis 'Rosea'
  • Persicaria bistorta 'Hohe Tatra'
  • Persicaria bistorta subsp. carnea
  • Persicaria bistorta 'Superba'
  • Peucedanum verticillare
  • Phalaris arundinacea var. picta 'Feesey' (v)
  • Phegopteris decursive-pinnata
  • Philadelphus coronarius 'Aureus'
  • Philadelphus coronarius 'Variegatus' (v)
  • Philadelphus maculatus 'Sweet Clare'
  • Philadelphus 'Belle Étoile'
  • Philadelphus 'Innocence' (v)
  • Philadelphus 'Manteau d'Hermine' (d)
  • Philadelphus 'Mrs E.L. Robinson' (d)
  • Philadelphus 'Virginal' (d)
  • Phlomis cashmeriana
  • Phlomis fruticosa
  • Phlomis grandiflora 'Lloyd's Silver'
  • Phlomis italica
  • Phlomis lanata
  • Phlomis purpurea
  • Phlox divaricata 'Clouds of Perfume'
  • Phlox douglasii 'White Admiral'
  • Phlox paniculata Peacock Cherry Red (Peacock Series)
  • Phlox paniculata Peacock Lilac (Peacock Series)
  • Phlox paniculata Peacock Neon Purple (Peacock Series)
  • Phlox paniculata Peacock Purple Bicolor (Peacock Series)
  • Phlox paniculata Peacock White (Peacock Series)
  • Phlox paniculata 'Blue Boy'
  • Phlox paniculata 'Bright Eyes'
  • Phlox paniculata 'David'
  • Phlox paniculata 'Eva Cullum'
  • Phlox paniculata 'Franz Schubert'
  • Phlox paniculata 'Kirchenfürst'
  • Phlox paniculata 'Lilac Time'
  • Phlox paniculata 'Prince of Orange'
  • Phlox paniculata 'Septemberglut'
  • Phlox paniculata 'Starfire'
  • Phlox paniculata 'White Admiral'
  • Phlox subulata Early Spring Purple = 'Barseventyfour' (PBR) (Early Spring Series)
  • Phlox subulata 'Bavaria'
  • Phlox subulata 'McDaniel's Cushion'
  • Phlox subulata 'Nettleton Variation' (v)
  • Phlox subulata 'Tamaongalei'
  • Phlox 'White Kimono'
  • Phlox 'Zwergenteppich'
  • Photinia × fraseri Louise = 'Mclarlou' (PBR) (v)
  • Photinia × fraseri Pink Marble = 'Cassini' (v)
  • Photinia × fraseri 'Canivily'
  • Photinia × fraseri 'Little Red Robin'
  • Photinia × fraseri 'Red Robin'
  • Physalis alkekengi var. franchetii 'Gigantea'
  • Physocarpus opulifolius Angel Gold = 'Minange' (PBR)
  • Physocarpus opulifolius Diable D'Or = 'Mindia' (PBR)
  • Physocarpus opulifolius Lady in Red = 'Tuilad' (PBR)
  • Physocarpus opulifolius 'Dart's Gold'
  • Physocarpus opulifolius 'Diabolo' (PBR)
  • Physostegia virginiana var. speciosa 'Bouquet Rose'
  • Pieris japonica 'Bonfire'
  • Pieris japonica 'Carnaval' (v)
  • Pieris japonica 'Katsura' (PBR)
  • Pieris japonica 'Little Heath' (v)
  • Pieris japonica 'Mountain Fire'
  • Pieris japonica 'Passion' (PBR)
  • Pieris japonica 'Pink Delight'
  • Pieris japonica 'Prelude'
  • Pieris japonica 'Ralto' (PBR)
  • Pieris japonica 'Valley Valentine'
  • Pieris japonica 'Variegata' (Carrière) Bean (v)
  • Pieris 'Flaming Silver' (v)
  • Pieris 'Forest Flame'
  • Pileostegia viburnoides
  • Pisum sativum 'Onward'
  • Pisum sativum 'Oregon Sugar Pod'
  • Pisum sativum 'Shiraz'
  • Pisum sativum 'Sugar Snap'
  • Pittosporum tenuifolium 'Elizabeth' (m/v)
  • Pittosporum tenuifolium 'Gold Star'
  • Pittosporum tenuifolium 'Golf Ball' (PBR)
  • Pittosporum tenuifolium 'Irene Paterson' (m/v)
  • Pittosporum tenuifolium 'Tom Thumb'
  • Pittosporum tenuifolium 'Warnham Gold' (m)
  • Pittosporum tenuifolium 'Wrinkled Blue'
  • Pittosporum 'Arundel Green' (f)
  • Pittosporum 'Garnettii' (v)
  • Platycodon grandiflorus 'Astra Blue' (Astra Series)
  • Platycodon grandiflorus 'Astra Pink' (Astra Series)
  • Platycodon grandiflorus 'Astra White' (Astra Series)
  • Plectranthus caninus
  • Pleioblastus simonii
  • Pleioblastus simonii 'Variegatus' (v)
  • Polemonium caeruleum Brise d'Anjou = 'Blanjou' (PBR) (v)
  • Polemonium caeruleum subsp. caeruleum f. album
  • Polemonium reptans 'Stairway to Heaven' (PBR) (v)
  • Polemonium yezoense var. hidakanum Bressingham Purple = 'Polbress'
  • Polemonium 'Heaven Scent' (PBR)
  • Polemonium 'Lambrook Mauve'
  • Polemonium 'Northern Lights'
  • Polygonatum biflorum
  • Polygonatum × hybridum
  • Polygonatum × hybridum 'Striatum' (v)
  • Polypodium vulgare
  • Polystichum aculeatum
  • Polystichum braunii
  • Polystichum makinoi
  • Polystichum munitum
  • Polystichum polyblepharum
  • Polystichum setiferum (Divisilobum Group) 'Dahlem'
  • Polystichum setiferum (Divisilobum Group) 'Divisilobum Wollaston'
  • Polystichum setiferum (Divisilobum Group) 'Herrenhausen'
  • Polystichum setiferum (Plumosomultilobum Group) 'Plumosomultilobum Densum'
  • Polystichum tsussimense
  • Polystichum tsussimense 'K Rex'
  • Potentilla fruticosa Danny Boy = 'Lissdan' (PBR)
  • Potentilla fruticosa Marian Red Robin = 'Marrob' (PBR)
  • Potentilla fruticosa 'Abbotswood'
  • Potentilla fruticosa 'Chelsea Star'
  • Potentilla fruticosa 'Goldfinger'
  • Potentilla fruticosa 'Groneland'
  • Potentilla fruticosa 'Hopleys Orange'
  • Potentilla fruticosa 'King Cup'
  • Potentilla fruticosa 'Limelight'
  • Potentilla fruticosa 'Medicine Wheel Mountain'
  • Potentilla fruticosa 'Orangeade'
  • Potentilla fruticosa 'Pink Beauty' (PBR)
  • Potentilla fruticosa 'Primrose Beauty'
  • Potentilla fruticosa 'Red Ace'
  • Potentilla fruticosa 'Red Lady' (PBR)
  • Potentilla fruticosa 'Sommerflor'
  • Potentilla fruticosa 'Tilford Cream'
  • Potentilla fruticosa 'Yellow Bird'
  • Potentilla megalantha
  • Potentilla nepalensis 'Miss Willmott'
  • Potentilla nepalensis 'Ron McBeath'
  • Potentilla nepalensis 'Shogran'
  • Potentilla thurberi 'Monarch's Velvet'
  • Potentilla 'Flamenco'
  • Potentilla 'Gibson's Scarlet'
  • Potentilla 'Monsieur Rouillard' (d)
  • Potentilla 'William Rollisson'
  • Primula auricula 'Brazen Hussy' (Au/d)
  • Primula auricula L. (Au)
  • Primula beesiana (Pf)
  • Primula bulleyana (Pf)
  • Primula denticulata (De)
  • Primula denticulata lilac-flowered (De)
  • Primula denticulata 'Rubin' (De)
  • Primula denticulata var. alba (De)
  • Primula japonica 'Apple Blossom' (Pf)
  • Primula japonica 'Miller's Crimson' (Pf)
  • Primula japonica 'Postford White' (Pf)
  • Primula sieboldii 'Blue Lagoon' (Co)
  • Primula sieboldii 'Frilly Blue' (Co)
  • Primula sieboldii 'Geisha Girl' (Co)
  • Primula sieboldii 'Seraphim' (Co)
  • Primula veris (Pr)
  • Primula vialii (So)
  • Primula vulgaris subsp. sibthorpii (Pr/Prim)
  • Primula 'Dark Rosaleen' (Pr/Poly)
  • Primula 'Fire Opal' (Pr/Poly)
  • Primula Gold-laced Group red-flowered (Pr/Poly)
  • Primula 'Guinevere' (Pr/Poly)
  • Primula Harlow Car hybrids (Pf)
  • Primula 'Lilac Lace' (Pr/Poly)
  • Primula 'Red' (Primlet Series) (Pr/Prim)
  • Primula 'Rose' (Primlet Series) (Pr/Prim)
  • Primula 'Scirocco Red'
  • Primula 'Sunrise' (Au)
  • Primula 'Veristar Yellow' (Pr)
  • Primula 'Wanda' (Pr/Prim)
  • Primula 'Yellow' (Primlet Series) (Pr/Prim)
  • Prostanthera cuneata
  • Prunella grandiflora 'Pink Loveliness'
  • Prunus domestica 'Opal' (D)
  • Prunus domestica 'Victoria' (D)
  • Prunus incisa 'Kojo-no-mai'
  • Prunus insititia 'Merryweather Damson' (C)
  • Prunus lusitanica
  • Prunus lusitanica 'Myrtifolia'
  • Prunus nipponica var. kurilensis 'Brillant'
  • Prunus × cistena
  • Prunus × incam 'Okamé'
  • Pteris cretica 'Mayi' (v)
  • Pteris cretica 'Roweri'
  • Pteris cretica 'Wimsettii'
  • Pteris umbrosa
  • Pulmonaria saccharata 'Leopard'
  • Pulmonaria Opal = 'Ocupol'
  • Pulmonaria 'Blue Ensign'
  • Pulmonaria 'Diana Clare'
  • Pulmonaria 'Little Star'
  • Pulmonaria 'Majesté'
  • Pulmonaria 'Moonshine' (PBR)
  • Pulmonaria 'Raspberry Splash' (PBR)
  • Pulmonaria 'Sissinghurst White'
  • Pulmonaria 'Stillingfleet Meg'
  • Pulmonaria 'Trevi Fountain'
  • Pulmonaria 'Victorian Brooch' (PBR)
  • Pulsatilla rubra
  • Pulsatilla vulgaris
  • Pulsatilla vulgaris 'Alba'
  • Pulsatilla vulgaris 'Barton's Pink'
  • Pulsatilla vulgaris 'Blaue Glocke'
  • Pulsatilla vulgaris 'Eva Constance'
  • Pulsatilla vulgaris 'Röde Klokke'
  • Puschkinia scilloides var. libanotica
  • Pyracantha coccinea 'Red Column'
  • Pyracantha rogersiana 'Flava'
  • Pyracantha 'Mohave'
  • Pyracantha 'Orange Glow'
  • Pyrus communis 'Concorde' (D)
  • Pyrus communis 'Conference' (D)
  • Ratibida columnifera
  • Rehmannia Walberton's Magic Dragon = 'Walremadra' (PBR)
  • Rheum australe
  • Rheum palmatum
  • Rheum palmatum 'Atrosanguineum'
  • Rheum × hybridum 'Glaskin's Perpetual'
  • Rheum × hybridum 'Grandad's Favorite'
  • Rheum × hybridum 'Raspberry Red'
  • Rheum × hybridum 'Timperley Early'
  • Rheum × hybridum 'Victoria'
  • Rheum 'Ace of Hearts'
  • Rhodanthemum catananche 'Tizi-n-Tichka'
  • Rhodanthemum hosmariense
  • Rhodanthemum 'Casablanca' (PBR) (Atlas Daisy Series)
  • Rhodiola pachyclados
  • Rhodiola rosea
  • Rhodochiton atrosanguineus
  • Rhododendron luteum (A)
  • Rhododendron viscosum (Vs)
  • Rhododendron (Carmen Group) 'Carmen'
  • Rhododendron (Cowslip Group) 'Cowslip'
  • Rhododendron 'Bengal'
  • Rhododendron 'Blue Danube' (EA)
  • Rhododendron 'Canzonetta' (EA/d)
  • Rhododendron 'Christmas Cheer' (caucasicum hybrid)
  • Rhododendron 'Cream Crest'
  • Rhododendron 'Daviesii' (G)
  • Rhododendron 'Dopey'
  • Rhododendron 'Dreamland'
  • Rhododendron 'Etoile de Sleidinge'
  • Rhododendron 'Fantastica'
  • Rhododendron 'Firelight' (EA)
  • Rhododendron 'Georg Arends' (A)
  • Rhododendron 'Germania'
  • Rhododendron 'Golden Eagle' (K)
  • Rhododendron 'Golden Gate'
  • Rhododendron 'Golden Torch'
  • Rhododendron 'Gristede'
  • Rhododendron 'Hachmann's Eskimo'
  • Rhododendron 'Hachmann's Juanita' (K)
  • Rhododendron 'Herbert' (EA)
  • Rhododendron 'Hoppy'
  • Rhododendron 'Horizon Monarch'
  • Rhododendron 'Jolie Madame' (Vs)
  • Rhododendron 'Kalinka'
  • Rhododendron 'Kermesinum Rosé' (EA)
  • Rhododendron 'Klondyke' (K)
  • Rhododendron 'Libretto'
  • Rhododendron 'Lumina'
  • Rhododendron 'Maria Elena' (EA/d)
  • Rhododendron 'Mother's Day' (Kurume) (EA)
  • Rhododendron 'Nabucco' (A)
  • Rhododendron 'Nancy Evans'
  • Rhododendron 'Night Sky'
  • Rhododendron 'Northern Hi-Lights' (A)
  • Rhododendron 'Polarnacht'
  • Rhododendron 'Princess Anne'
  • Rhododendron 'Purple Gem'
  • Rhododendron 'Rose Greely' (Gable) (EA)
  • Rhododendron 'Santa Maria' (EA)
  • Rhododendron 'Scarlet Wonder'
  • Rhododendron 'Scintillation'
  • Rhododendron 'Sneezy'
  • Rhododendron 'Snow Pearl'
  • Rhododendron 'Sunte Nectarine' (K)
  • Rhododendron 'Titian Beauty'
  • Rhododendron 'Torchlight' (EA)
  • Rhododendron 'Wee Bee'
  • Rhododendron 'Wilgen's Ruby'
  • Rhodohypoxis baurii 'Alba'
  • Rhodohypoxis baurii 'Fred Broome'
  • Rhodohypoxis baurii 'Mars'
  • Rhodohypoxis deflexa
  • Rhodohypoxis milloides
  • Rhodohypoxis milloides 'Claret'
  • Rhodohypoxis milloides 'Claudia'
  • Rhodohypoxis milloides 'Damask'
  • Rhodohypoxis 'Pintado'
  • Ribes laurifolium 'Mrs Amy Doncaster'
  • Ribes laurifolium Rosemoor form
  • Ribes nigrum 'Ben Connan' (B)
  • Ribes nigrum 'Ben Sarek' (B)
  • Ribes nigrum 'Big Ben' (PBR) (B)
  • Ribes rubrum 'Jonkheer van Tets' (R)
  • Ribes rubrum 'Rovada' (R)
  • Ribes rubrum 'Versailles Blanche' (W/C)
  • Ribes sanguineum 'Elkington's White'
  • Ribes sanguineum 'Koja'
  • Ribes sanguineum 'Lombartsii'
  • Ribes sanguineum 'Poky's Pink'
  • Ribes sanguineum 'Pulborough Scarlet'
  • Ribes sanguineum 'Red Bross'
  • Ribes speciosum
  • Ribes uva-crispa 'Captivator' (C)
  • Ribes uva-crispa 'Hinnonmäki Röd' (C/D)
  • Ribes uva-crispa 'Invicta' (C/D)
  • Ribes uva-crispa 'Xenia' (D)
  • Rodgersia aesculifolia
  • Rodgersia aesculifolia var. henrici
  • Rodgersia pinnata 'Buckland Beauty'
  • Rodgersia pinnata 'Crûg Cardinal'
  • Rodgersia pinnata 'Elegans'
  • Rodgersia podophylla 'Smaragd'
  • Rodgersia sambucifolia
  • Rodgersia 'Bronze Peacock'
  • Rodgersia 'Irish Bronze'
  • Romneya coulteri
  • Rosa banksiae 'Lutea' (Ra/d)
  • Rosa gallica var. officinalis (G)
  • Rosa rugosa 'Alba' (Ru)
  • Rosa × odorata (Sanguinea Group) 'Bengal Crimson' (Ch)
  • Rosa A Shropshire Lad = 'Ausled' (PBR) (S)
  • Rosa Awakening = 'Probuzení' (ClHT)
  • Rosa Bathsheba = 'Auschimbley' (PBR) (Cl)
  • Rosa Blue for You = 'Pejamblu' (PBR) (F)
  • Rosa Bonica = 'Meidomonac' (GC)
  • Rosa Boscobel = 'Auscousin' (PBR) (S)
  • Rosa Carolyn Knight = 'Austurner' (PBR) (S)
  • Rosa Champagne Moment = 'Korvanaber' (PBR) (F)
  • Rosa Chandos Beauty = 'Harmisty' (PBR) (HT)
  • Rosa Charlotte = 'Auspoly' (PBR) (S)
  • Rosa Cherry Bonica = 'Meipeporia' (PBR) (S)
  • Rosa Claire Austin = 'Ausprior' (PBR) (Cl)
  • Rosa Crème de la Crème = 'Gancre' (PBR) (ClHT)
  • Rosa Crown Princess Margareta = 'Auswinter' (PBR) (Cl)
  • Rosa Dame Judi Dench = 'Ausquaker' (PBR) (HM)
  • Rosa Darcey Bussell = 'Ausdecorum' (PBR) (S)
  • Rosa Desdemona = 'Auskindling' (PBR) (HM)
  • Rosa Dublin Bay = 'Macdub' (ClF)
  • Rosa Eglantyne = 'Ausmak' (PBR) (S)
  • Rosa Emily Brontë = 'Ausearnshaw' (S)
  • Rosa Eye of the Tiger = 'Chewbullseye' (PBR) (persica hybrid) (S)
  • Rosa Eyes for You = 'Pejbigeye' (F)
  • Rosa Falstaff = 'Ausverse' (PBR) (S)
  • Rosa Fighting Temeraire = 'Austrava' (PBR) (S)
  • Rosa Flower Carpet Amber = 'Noa97400a' (PBR) (GC)
  • Rosa Flower Carpet Gold = 'Noalesa' (PBR) (GC)
  • Rosa Flower Carpet Red Velvet = 'Noare' (PBR) (GC/S)
  • Rosa Flower Carpet Ruby (GC)
  • Rosa Flower Carpet Scarlet = 'Noa83100b' (PBR) (GC)
  • Rosa Flower Carpet Sunset = 'Deseo' (S)
  • Rosa Flower Carpet Sunshine = 'Noason' (PBR) (GC)
  • Rosa Flower Carpet White = 'Noaschnee' (GC)
  • Rosa For Your Eyes Only = 'Cheweyesup' (PBR) (S)
  • Rosa Fragrant Cloud = 'Tanellis' (HT)
  • Rosa Gentle Hermione = 'Ausrumba' (PBR) (S)
  • Rosa Gertrude Jekyll = 'Ausbord' (PBR) (S)
  • Rosa Golden Celebration = 'Ausgold' (PBR) (S)
  • Rosa Golden Wedding = 'Arokris' (F)
  • Rosa Grace = 'Auskeppy' (PBR) (S)
  • Rosa Graham Thomas = 'Ausmas' (S)
  • Rosa Happy Anniversary = 'Delpre' (F)
  • Rosa Happy Silver Wedding = 'Frysilva' (F)
  • Rosa Harlow Carr = 'Aushouse' (PBR) (S)
  • Rosa Hot Chocolate = 'Wekpaltlez' (F)
  • Rosa Imogen = 'Austritch' (PBR) (S)
  • Rosa James L. Austin = 'Auspike' (PBR) (S)
  • Rosa Jubilee Celebration = 'Aushunter' (PBR) (S)
  • Rosa Lady Emma Hamilton = 'Ausbrother' (PBR) (S)
  • Rosa Lady of Shalott = 'Ausnyson' (PBR) (S)
  • Rosa Lichfield Angel = 'Ausrelate' (PBR) (S)
  • Rosa Lovely Bride = 'Meiratcan' (PBR) (Patio)
  • Rosa Malvern Hills = 'Auscanary' (PBR) (Ra)
  • Rosa Many Happy Returns = 'Harwanted' (F)
  • Rosa Mary Rose = 'Ausmary' (S)
  • Rosa Molineux = 'Ausmol' (PBR) (S)
  • Rosa Munstead Wood = 'Ausbernard' (PBR) (S)
  • Rosa Olivia Rose Austin = 'Ausmixture' (PBR) (S)
  • Rosa Open Arms = 'Chewpixcel' (PBR) (ClMin)
  • Rosa Pink Flower Carpet = 'Noatraum' (GC)
  • Rosa Port Sunlight = 'Auslofty' (PBR) (HM)
  • Rosa Princess Alexandra of Kent = 'Ausmerchant' (PBR) (S)
  • Rosa Queen of Sweden = 'Austiger' (PBR) (S)
  • Rosa Rambling Rosie = 'Horjasper' (PBR) (Ra)
  • Rosa Remembrance = 'Harxampton' (F)
  • Rosa Rhapsody in Blue = 'Frantasia' (PBR) (S)
  • Rosa Roald Dahl = 'Ausowlish' (PBR) (S)
  • Rosa Rosemoor = 'Austough' (PBR) (S)
  • Rosa Ruby Anniversary = 'Harbonny' (PBR) (Patio)
  • Rosa Scarlet Patio = 'Kortingle' (Patio)
  • Rosa Scent from Heaven = 'Chewbabaluv' (ClHT)
  • Rosa Scepter'd Isle = 'Ausland' (PBR) (S)
  • Rosa Silver Anniversary = 'Poulari' (HT)
  • Rosa Special Anniversary = 'Whastiluc' (PBR) (HT)
  • Rosa Sunny Sky = 'Koraruli' (PBR) (HT)
  • Rosa Super Elfin = 'Helkleger' (PBR) (Ra)
  • Rosa Susan Williams-Ellis = 'Ausquirk' (PBR) (S)
  • Rosa Teasing Georgia = 'Ausbaker' (PBR) (Cl)
  • Rosa Tess of the d'Urbervilles = 'Ausmove' (PBR) (S)
  • Rosa The Albrighton Rambler = 'Ausmobile' (PBR) (Ra)
  • Rosa The Alnwick Rose = 'Ausgrab' (PBR) (S)
  • Rosa The Generous Gardener = 'Ausdrawn' (PBR) (Cl)
  • Rosa The Lady Gardener = 'Ausbrass' (PBR) (S)
  • Rosa The Lady of the Lake = 'Ausherbert' (PBR) (Ra)
  • Rosa The Mayflower = 'Austilly' (PBR) (S)
  • Rosa The Mill on the Floss = 'Austulliver' (S)
  • Rosa The Pilgrim = 'Auswalker' (S)
  • Rosa The Poet's Wife = 'Auswhirl' (PBR) (S)
  • Rosa Thomas À Becket = 'Auswinston' (PBR) (S)
  • Rosa Timeless Cream = 'Noa1112130' (PBR) (HT)
  • Rosa Timeless Pink = 'Noa1811108' (PBR) (HT)
  • Rosa Timeless Purple = 'Noa38121' (PBR) (HT)
  • Rosa Tottering-by-Gently = 'Auscartoon' (S)
  • Rosa Tranquillity = 'Ausnoble' (PBR) (S)
  • Rosa Vanessa Bell = 'Auseasel' (PBR) (S)
  • Rosa Warm Welcome = 'Chewizz' (ClMin)
  • Rosa Winchester Cathedral = 'Auscat' (S)
  • Rosa Wollerton Old Hall = 'Ausblanket' (PBR) (Cl)
  • Rosa 'Albertine' (Ra)
  • Rosa 'American Pillar' (Ra)
  • Rosa 'Ballerina' (HM/Poly)
  • Rosa 'Climbing Ena Harkness' (ClHT)
  • Rosa 'Climbing Iceberg' (ClF)
  • Rosa 'Compassion' (ClHT)
  • Rosa 'Ferdinand Pichard' (Bb)
  • Rosa 'Flower Carpet Coral' (PBR) (GC)
  • Rosa 'Francis E. Lester' (HM/Ra)
  • Rosa 'Golden Showers' (Cl)
  • Rosa 'Guinée' (ClHT)
  • Rosa 'Madame Alfred Carrière' (N)
  • Rosa 'Mermaid' (Cl)
  • Rosa 'New Dawn' (Cl)
  • Rosa 'Paul Noël' (Ra)
  • Rosa 'Paul Transon' (Ra)
  • Rosa 'Paul's Himalayan Musk' (Ra)
  • Rosa 'Rambling Rector' (Ra)
  • Rosa 'Ruby Wedding' (HT)
  • Rosa 'Tuscany Superb' (G)
  • Rosa 'Veilchenblau' (Ra)
  • Rosa 'Wedding Day' (Ra)
  • Rosa 'White Patio' (Min/Patio)
  • Rosa 'Yellow Patio' (Min/Patio)
  • Rosa 'Zéphirine Drouhin' (Bb)
  • Roscoea cautleyoides
  • Roscoea humeana
  • Roscoea scillifolia
  • Rosularia aizoon
  • Rosularia chrysantha
  • Rosularia sempervivum subsp. glaucophylla
  • Rubus fruticosus agg. 'Apache' (B)
  • Rubus fruticosus agg. 'Chester' (B)
  • Rubus fruticosus agg. 'Loch Ness' (B)
  • Rubus fruticosus agg. 'Loch Tay' (PBR) (B) AGM
  • Rubus fruticosus agg. 'Navaho' (B)
  • Rubus fruticosus agg. 'Ouachita' (PBR) (B)
  • Rubus fruticosus agg. 'Reuben' (PBR) (B)
  • Rubus idaeus 'Alpengold' (PBR) (F)
  • Rubus idaeus 'Autumn Bliss' (F)
  • Rubus idaeus 'Cascade Delight' (F)
  • Rubus idaeus 'Erika' (PBR) (F)
  • Rubus idaeus 'Glen Ample' (PBR) (F)
  • Rubus idaeus 'Glen Clova' (F)
  • Rubus idaeus 'Polka' (PBR) (F)
  • Rubus idaeus 'Tadmor' (PBR) (F)
  • Rubus spectabilis 'Olympic Double' (d)
  • Rubus × loganobaccus 'Ly 654' (F)
  • Rubus Tayberry Group (F)
  • Rudbeckia fulgida 'Little Goldstar' (PBR)
  • Rudbeckia fulgida var. deamii
  • Rudbeckia fulgida var. sullivantii 'Goldsturm'
  • Rudbeckia hirta 'Indian Summer'
  • Rudbeckia hirta 'Prairie Sun'
  • Rudbeckia laciniata 'Goldquelle' (d)
  • Rudbeckia laciniata 'Herbstsonne'
  • Rudbeckia laciniata 'Juligold'
  • Rudbeckia missouriensis
  • Rudbeckia mollis
  • Rudbeckia occidentalis 'Green Wizard'
  • Rudbeckia subtomentosa
  • Rudbeckia triloba
  • Rudbeckia Summerina Brown = 'Et Rdb 03' (PBR) (Summerina Series)
  • Rudbeckia Summerina Butterscotch Biscuit = 'Et Rdb 410' (PBR) (Summerina Series)
  • Rudbeckia Summerina Orange = 'Et Rdb 01' (PBR) (Summerina Series)
  • Rudbeckia Summerina Yellow = 'Et Rdb 02' (PBR) (Summerina Series)
  • Rumohra adiantiformis
  • Salix alba 'Golden Ness'
  • Salix alba var. vitellina 'Yelverton'
  • Salix integra 'Hakuro-nishiki' (v)
  • Salix nakamurana var. yezoalpina
  • Salix udensis 'Golden Sunshine' (PBR)
  • Salvia argentea
  • Salvia greggii 'Icing Sugar' (PBR)
  • Salvia guaranitica 'Black and Blue'
  • Salvia lavandulifolia
  • Salvia nemorosa Marcus = 'Haeumanarc' (PBR)
  • Salvia nemorosa Sensation Blue = 'Florsalvioblu' (PBR) (Sensation Series)
  • Salvia nemorosa Sensation Deep Blue = 'Florsaldblue' (Sensation Series)
  • Salvia nemorosa Sensation Medium Pink = 'Florsalpi' (Sensation Series)
  • Salvia nemorosa Sensation Rose (Sensation Series)
  • Salvia nemorosa Sensation White = 'Florsalwhite' (Sensation Series)
  • Salvia nemorosa 'Amethyst'
  • Salvia nemorosa 'Caradonna'
  • Salvia nemorosa 'Lubecca'
  • Salvia nemorosa 'Ostfriesland'
  • Salvia nemorosa 'Pink Beauty'
  • Salvia nemorosa 'Rosenwein'
  • Salvia nemorosa 'Schwellenburg'
  • Salvia pratensis 'Indigo'
  • Salvia rosmarinus (Albiflora Group) 'Lady in White' (Ro)
  • Salvia rosmarinus (Ro)
  • Salvia rosmarinus 'Bolham Blue' (Ro)
  • Salvia rosmarinus 'Knightshayes Blue' (Ro)
  • Salvia rosmarinus 'Miss Jessopp's Upright' (Ro)
  • Salvia rosmarinus 'Roman Beauty' (PBR) (Ro)
  • Salvia rosmarinus 'Rosea' (Ro)
  • Salvia rosmarinus 'Severn Sea' (Ro)
  • Salvia rosmarinus 'Sissinghurst Blue' (Ro)
  • Salvia uliginosa
  • Salvia verticillata 'Purple Rain'
  • Salvia × jamensis 'Flammenn' (PBR)
  • Salvia × jamensis 'Melen' (PBR)
  • Salvia × jamensis 'Pluenn' (PBR)
  • Salvia × sylvestris 'Blauhügel'
  • Salvia × sylvestris 'Blaukönigin'
  • Salvia × sylvestris 'Mainacht'
  • Salvia × sylvestris 'Rügen'
  • Salvia × sylvestris 'Rose Queen'
  • Salvia × sylvestris 'Schneehügel'
  • Salvia × sylvestris 'Viola Klose'
  • Salvia Amethyst Lips = 'Dyspurp'
  • Salvia Black & Bloom = 'Balsaloom'
  • Salvia Ember's Wish = 'Sal 0101' (PBR)
  • Salvia Lacey Blue = 'Lisslitt' (PBR) (Pe)
  • Salvia Love and Wishes = 'Serendip6' (PBR)
  • Salvia Mystic Spires Blue = 'Balsalmisp' (PBR)
  • Salvia Rockin' Deep Purple = 'Bbsal09001'
  • Salvia Rockin' Fuchsia = 'Bbsal00301'
  • Salvia 'Amistad' (PBR)
  • Salvia 'Blue Note' (PBR)
  • Salvia 'Blue Spire' (Pe)
  • Salvia 'Hot Lips'
  • Salvia 'Little Spire' (PBR) (Pe)
  • Salvia 'Nachtvlinder'
  • Salvia 'Royal Bumble'
  • Salvia 'Wendy's Wish' (PBR)
  • Sambucus nigra f. porphyrophylla Blue Sheen = 'Hyfsheen'
  • Sambucus nigra f. porphyrophylla 'Eva' (PBR)
  • Sambucus nigra f. porphyrophylla 'Gerda' (PBR)
  • Sambucus nigra 'Serenade'
  • Sambucus racemosa 'Sutherland Gold'
  • Sambucus Welsh Gold = 'Walfinb' (PBR)
  • Sanguisorba officinalis 'Burgundy Buttons'
  • Sanguisorba tenuifolia var. alba
  • Sanguisorba 'Tanna'
  • Sanicula epipactis
  • Santolina chamaecyparissus
  • Santolina chamaecyparissus 'Lambrook Silver'
  • Santolina chamaecyparissus 'Lemon Queen'
  • Santolina chamaecyparissus 'Nana'
  • Santolina chamaecyparissus 'Pretty Carroll'
  • Santolina pinnata subsp. neapolitana 'Sulphurea'
  • Santolina rosmarinifolia
  • Santolina rosmarinifolia 'Lemon Fizz'
  • Santolina rosmarinifolia subsp. rosmarinifolia 'Primrose Gem'
  • Sarcococca confusa
  • Sarcococca hookeriana Winter Gem = 'Pmoore03' (PBR)
  • Sarcococca hookeriana var. digyna
  • Sarcococca hookeriana var. hookeriana 'Ghorepani'
  • Sarcococca hookeriana var. humilis
  • Sarcococca orientalis
  • Sarcococca ruscifolia
  • Sarcococca ruscifolia var. chinensis 'Dragon Gate'
  • Sauromatum venosum
  • Saxifraga callosa (8)
  • Saxifraga cochlearis (8)
  • Saxifraga cotyledon (8)
  • Saxifraga federici-augusti subsp. grisebachii (7)
  • Saxifraga ferdinandi-coburgi subsp. chrysosplenifolia var. rhodopea (7)
  • Saxifraga paniculata var. minutifolia (8)
  • Saxifraga paradoxa (15)
  • Saxifraga sancta (7)
  • Saxifraga umbrosa (11)
  • Saxifraga × biasolettoi Sünd. (7)
  • Saxifraga × burnatii (8)
  • Saxifraga (London Pride Group) 'Letchworth Gem' (× urbium) (11)
  • Saxifraga (Mossy Group) 'Peter Pan' (15)
  • Saxifraga (Prichard's Monument Group) 'Karel Capek' (× megaseiflora) (7)
  • Saxifraga (Silver Farreri Group) 'Snowflake' (8)
  • Saxifraga 'Alba' ambig.
  • Saxifraga 'Beatrix Stanley' (× anglica) (7)
  • Saxifraga 'Blackberry and Apple Pie' (fortunei) (5)
  • Saxifraga 'Boston Spa' (× elisabethae) (7)
  • Saxifraga 'Canis-dalmatica' (× gaudinii) (8)
  • Saxifraga 'Cloth of Gold' (exarata subsp. moschata) (15)
  • Saxifraga 'Cranbourne' (× anglica) (7)
  • Saxifraga 'Crenata' (burseriana) (7)
  • Saxifraga 'Doctor Clay' (paniculata) (8)
  • Saxifraga 'Doctor Ramsey' (8)
  • Saxifraga 'Drakula' (ferdinandi-coburgi) (7)
  • Saxifraga 'Elf Rose' (15)
  • Saxifraga 'Esther' (× burnatii) (8)
  • Saxifraga 'Gaiety' (15)
  • Saxifraga 'Gem' (× irvingii) (7)
  • Saxifraga 'Gloria' (burseriana) (7)
  • Saxifraga 'Gregor Mendel' (× apiculata) (7)
  • Saxifraga 'Hare Knoll Beauty' (8)
  • Saxifraga 'Hindhead Seedling' (× boydii) (7)
  • Saxifraga 'Kaspar Maria Sternberg' (× petraschii) (7)
  • Saxifraga 'King Lear' (× bursiculata) (7)
  • Saxifraga 'Lagraveana' (paniculata) (8)
  • Saxifraga 'Minor' (cochlearis) (8)
  • Saxifraga 'Monarch' (8)
  • Saxifraga 'Mrs Helen Terry' (× salmonica) (7)
  • Saxifraga 'Peach Melba' (7)
  • Saxifraga 'Penelope' (× boydilacina) (7)
  • Saxifraga 'Pink Melba' (7)
  • Saxifraga 'Polar Drift'
  • Saxifraga 'Prince Hal' (burseriana) (7)
  • Saxifraga 'Princess' (burseriana) (7)
  • Saxifraga 'Rosina Sündermann' (× rosinae) (7)
  • Saxifraga 'Silver Cushion' (15/v)
  • Saxifraga Southside Seedling Group (8)
  • Saxifraga 'Suendermannii' (× kellereri) (7)
  • Saxifraga 'Sulphurea' (× boydii) (7)
  • Saxifraga 'Tumbling Waters' (8)
  • Saxifraga 'Variegata' (cuneifolia) (11/v)
  • Saxifraga 'Wheatley Rose' (7)
  • Saxifraga 'White Delight' (× megaseiflora) (7)
  • Saxifraga 'Whitehill' (8)
  • Saxifraga 'Winifred Bevington' (8 × 11)
  • Saxifraga 'Winston Churchill' (15)
  • Scabiosa atropurpurea 'Beaujolais Bonnets'
  • Scabiosa caucasica 'Perfecta Alba' (Perfecta Series)
  • Scabiosa columbaria
  • Scabiosa columbaria subsp. ochroleuca 'Moon Dance'
  • Scabiosa Kudo White = 'Ichwit' (Kudo Series)
  • Scabiosa 'Butterfly Blue'
  • Scabiosa Kudo Series
  • Scabiosa 'Pink Mist'
  • Scabiosa 'Vivid Vi' (PBR)
  • Schisandra grandiflora
  • Schisandra rubriflora
  • Schizophragma hydrangeoides 'Rose Sensation'
  • Schizophragma hydrangeoides var. concolor 'Moonlight'
  • Scilla bifolia 'Rosea'
  • Scilla mischtschenkoana
  • Scilla peruviana 'Blue Moon'
  • Scilla siberica
  • Scilla siberica 'Spring Beauty'
  • Sedum acre
  • Sedum acre 'Golden Queen'
  • Sedum acre 'Minus'
  • Sedum album
  • Sedum kamtschaticum var. ellacombeanum
  • Sedum kamtschaticum var. kamtschaticum 'Variegatum' (v)
  • Sedum oregonense
  • Sedum spathulifolium 'Cape Blanco'
  • Sedum spathulifolium 'Purpureum'
  • Sedum spurium 'Fuldaglut'
  • Sedum spurium 'Schorbuser Blut'
  • Semiaquilegia 'Sugar Plum Fairy'
  • Semiarundinaria yashadake f. kimmei
  • Sempervivum altum
  • Sempervivum arachnoideum
  • Sempervivum arachnoideum L. subsp. tomentosum (C.B. Lehm. & Schnittsp.) Schinz & Thell.
  • Sempervivum arachnoideum 'Rubrum'
  • Sempervivum arachnoideum subsp. tomentosum 'Stansfieldii'
  • Sempervivum arachnoideum var. bryoides
  • Sempervivum ballsii
  • Sempervivum calcareum
  • Sempervivum calcareum 'Greenii'
  • Sempervivum calcareum 'Guillaumes'
  • Sempervivum calcareum 'Limelight'
  • Sempervivum calcareum 'Sir William Lawrence'
  • Sempervivum caucasicum
  • Sempervivum erythraeum
  • Sempervivum giuseppii
  • Sempervivum pumilum
  • Sempervivum reginae-amaliae
  • Sempervivum ruthenicum
  • Sempervivum tectorum var. alpinum
  • Sempervivum 'Banyan'
  • Sempervivum 'Black Knight'
  • Sempervivum 'Blood Tip'
  • Sempervivum 'Blue Boy'
  • Sempervivum 'Brock'
  • Sempervivum 'Bronco'
  • Sempervivum 'Crispyn'
  • Sempervivum 'Dark Beauty'
  • Sempervivum 'Engle's'
  • Sempervivum 'Fuego'
  • Sempervivum 'Gallivarda'
  • Sempervivum 'Green Dragon'
  • Sempervivum 'Grey Dawn'
  • Sempervivum 'Grey Owl'
  • Sempervivum 'Greyfriars'
  • Sempervivum 'Heigham Red'
  • Sempervivum 'Hey-hey'
  • Sempervivum 'Icicle'
  • Sempervivum 'Irazu'
  • Sempervivum 'Jet Stream'
  • Sempervivum 'Jewel Case'
  • Sempervivum 'Lavender and Old Lace'
  • Sempervivum 'Lilac Time'
  • Sempervivum 'Lively Bug'
  • Sempervivum 'Mercury'
  • Sempervivum 'Midas'
  • Sempervivum 'Mount Hood'
  • Sempervivum 'Ohio Burgundy'
  • Sempervivum 'Pekinese'
  • Sempervivum 'Purple Queen'
  • Sempervivum 'Red Devil'
  • Sempervivum 'Reginald Malby'
  • Sempervivum 'Reinhard'
  • Sempervivum 'Rosie'
  • Sempervivum 'Rotkopf'
  • Sempervivum 'Silberspitz'
  • Sempervivum 'Silver Jubilee'
  • Sempervivum 'Skrocki's Bronze'
  • Sempervivum 'Springmist'
  • Sempervivum 'Sprite'
  • Sempervivum 'Starburst'
  • Sempervivum 'Twilight Blues'
  • Sidalcea candida
  • Sidalcea 'Croftway Red'
  • Sidalcea 'Elsie Heugh'
  • Sidalcea 'Oberon'
  • Sidalcea 'Party Girl'
  • Sidalcea 'Rosanna'
  • Sidalcea 'Rose Queen'
  • Sidalcea 'Wensleydale'
  • Sidalcea 'William Smith'
  • Silene alpestris 'Starry Dreams'
  • Silene dioica 'Rollie's Favorite' (PBR)
  • Silene schafta 'Shell Pink'
  • Silene uniflora 'Druett's Variegated' (v)
  • Silene Sparkling Rose = 'Insilsparo' (PBR)
  • Sisyrinchium idahoense var. bellum 'Rocky Point'
  • Sisyrinchium striatum
  • Sisyrinchium 'Californian Skies'
  • Sisyrinchium 'Devon Skies'
  • Sisyrinchium 'E.K. Balls'
  • Skimmia japonica 'Finchy' (PBR) (m)
  • Skimmia japonica 'Fragrans' (m)
  • Skimmia japonica 'Godrie's Dwarf' (m)
  • Skimmia japonica 'Kew White' (f)
  • Skimmia japonica 'Magic Marlot' (PBR) (m/v)
  • Skimmia japonica 'Marlot' (m)
  • Skimmia japonica 'Nymans' (f)
  • Skimmia japonica 'Olympic Flame' (f)
  • Skimmia japonica 'Red Riding Hood' (f)
  • Skimmia japonica 'Rubella' (m)
  • Skimmia japonica 'Temptation' (PBR) (f)
  • Skimmia × confusa 'Kew Green' (m)
  • Solanum crispum 'Glasnevin'
  • Solanum laxum 'Album'
  • Solanum lycopersicum 'Alicante'
  • Solanum lycopersicum 'Balconi Red'
  • Solanum lycopersicum 'Balconi Yellow'
  • Solanum lycopersicum 'Chocolate Cherry'
  • Solanum lycopersicum 'Gardener's Delight'
  • Solanum lycopersicum 'Golden Sweet'
  • Solanum lycopersicum 'Lilliput'
  • Solanum lycopersicum 'Linda'
  • Solanum lycopersicum 'Losetto'
  • Solanum lycopersicum 'Maestria'
  • Solanum lycopersicum 'Outdoor Girl'
  • Solanum lycopersicum 'Pomona'
  • Solanum lycopersicum 'San Marzano'
  • Solanum lycopersicum 'Shirley'
  • Solanum lycopersicum 'Sungold'
  • Solanum lycopersicum 'Super Marmande'
  • Solanum lycopersicum 'Supersteak'
  • Solanum lycopersicum 'Sweet Million'
  • Solanum lycopersicum 'Sweet 'n' Neat Scarlet'
  • Solanum lycopersicum 'Totem'
  • Solanum lycopersicum 'Tumbling Tiger'
  • Solanum lycopersicum 'Tumbling Tom Red'
  • Solanum melongena 'Baby Rosanna'
  • Solanum melongena 'Moneymaker'
  • Solanum tuberosum 'Venus'
  • Solidago 'Crown of Rays'
  • Solidago 'Ledsham'
  • Sollya heterophylla
  • Sollya heterophylla 'Alba'
  • Sophora Sun King = 'Hilsop' (PBR)
  • Sorbaria sorbifolia 'Sem' (PBR)
  • Sorbus 'John Mitchell'
  • Spinacia oleracea 'Galaxy'
  • Spinacia oleracea 'Tetona'
  • Spiraea japonica Golden Princess = 'Lisp'
  • Spiraea japonica 'Firelight'
  • Spiraea japonica 'Little Princess'
  • Spiraea japonica 'White Gold' (PBR)
  • Spiraea nipponica 'Snowmound'
  • Spiraea thunbergii 'Fujino Pink'
  • Spiraea × vanhouttei 'Pink Ice' (v)
  • Spiraea 'Arguta'
  • Stachys byzantina
  • Stachys byzantina 'Cotton Boll'
  • Stachys byzantina 'Silver Carpet'
  • Stachyurus chinensis 'Celina'
  • Staphylea colchica
  • Stewartia pseudocamellia
  • Stipa gigantea
  • Stipa gigantea 'Goldilocks'
  • Stipa gigantea 'Pixie'
  • Stipa ichu
  • Stipa tenuissima
  • Stokesia laevis 'Blue Star'
  • Stokesia laevis 'Divinity'
  • Stokesia laevis 'Mary Gregory'
  • Stokesia laevis 'Mel's' (PBR)
  • Stokesia laevis 'Purple Parasols'
  • Strobilanthes attenuata
  • Styrax japonicus
  • Symphoricarpos Magical Candy = 'Kolmcan' (PBR)
  • Symphoricarpos Magical Galaxy = 'Kolmgala' (PBR)
  • Symphoricarpos Magical Sweet = 'Kolmaswet' (PBR)
  • Symphyotrichum lateriflorum var. horizontale
  • Symphyotrichum novi-belgii 'Kristina'
  • Symphyotrichum novi-belgii 'Lady in Blue'
  • Symphyotrichum novi-belgii 'Little Pink Beauty'
  • Symphyotrichum novi-belgii 'Marie Ballard'
  • Symphyotrichum novi-belgii 'Patricia Ballard' (d)
  • Symphyotrichum novi-belgii 'White Ladies'
  • Symphyotrichum 'Little Carlow' (cordifolium hybrid)
  • Symphyotrichum 'Pink Star'
  • Symphytum 'Hidcote Blue'
  • Symphytum 'Hidcote Pink'
  • Syringa meyeri 'Palibin'
  • Syringa pubescens subsp. microphylla 'Superba'
  • Syringa × josiflexa 'Bellicent'
  • Syringa Bloomerang Dark Purple = 'Smsjbp7' (PBR)
  • Syringa Bloomerang Purple = 'Penda'
  • Syringa 'Pink Perfume' (PBR)
  • Syringa 'Red Pixie'
  • Tamarix tetrandra
  • Teucrium fruticans
  • Teucrium × lucidrys
  • Thalictrum aquilegiifolium
  • Thalictrum delavayi
  • Thalictrum delavayi 'Album'
  • Thalictrum delavayi 'Ankum'
  • Thalictrum delavayi 'Hewitt's Double' (d)
  • Thalictrum dipterocarpum Franch.
  • Thalictrum flavum subsp. glaucum
  • Thalictrum isopyroides
  • Thalictrum morisonii
  • Thalictrum rochebruneanum
  • Thalictrum rugosum
  • Thalictrum 'Elin'
  • Thermopsis chinensis
  • Thymus pulegioides 'Archer's Gold'
  • Thymus serpyllum 'Annie Hall'
  • Thymus serpyllum 'Goldstream' (v)
  • Thymus serpyllum 'Minor'
  • Thymus serpyllum 'Pink Chintz'
  • Thymus serpyllum var. albus
  • Thymus serpyllum 'Vey'
  • Thymus 'Alan Bloom'
  • Thymus 'Doone Valley' (v)
  • Thymus 'Hartington Silver' (v)
  • Thymus 'Silver Posie'
  • Tiarella 'Spring Symphony' (PBR)
  • Toona sinensis 'Flamingo' (v)
  • Trachelospermum asiaticum
  • Trachelospermum asiaticum 'Golden Memories'
  • Trachelospermum jasminoides
  • Trachelospermum jasminoides Star of Toscana = 'Selbra' (PBR)
  • Trachelospermum jasminoides 'Variegatum' (v)
  • Trachelospermum jasminoides 'Wilsonii'
  • Tradescantia (Andersoniana Group) 'Blue and Gold'
  • Tricyrtis Hototogisu
  • Tricyrtis 'Tojen'
  • Trillium grandiflorum
  • Tritonia disticha subsp. rubrolucens
  • Trollius pumilus
  • Trollius yunnanensis
  • Trollius × cultorum 'New Moon'
  • Tropaeolum speciosum
  • Tulipa humilis (15)
  • Tulipa humilis 'Lilliput' (15)
  • Tulipa humilis Violacea Group (15)
  • Tulipa tarda (15)
  • Tulipa 'Calypso' (14)
  • Tulipa 'Candy Prince' (PBR) (1)
  • Tulipa 'Couleur Cardinal' (3)
  • Tulipa 'Fabio' (7)
  • Tulipa 'Flair' (1)
  • Tulipa 'Giuseppe Verdi' (12)
  • Tulipa 'Kikomachi' (3)
  • Tulipa 'Little Beauty' (15)
  • Tulipa 'Little Princess' (15)
  • Tulipa 'Pinocchio' (14)
  • Tulipa 'Pretty Princess' (3)
  • Tulipa 'Prinses Irene' (3)
  • Tulipa 'Red Riding Hood' (14)
  • Tulipa 'Stresa' (12)
  • Uncinia rubra
  • Uvularia grandiflora var. pallida
  • Vaccinium corymbosum 'Bluecrop' (F)
  • Vaccinium corymbosum 'Bluegold' (F)
  • Vaccinium corymbosum 'Jersey' (F)
  • Vaccinium corymbosum 'Patriot' (F)
  • Vaccinium corymbosum 'Stanley' (F)
  • Vaccinium floribundum
  • Vaccinium macrocarpon (F)
  • Vaccinium 'Bluejay' (F)
  • Vaccinium 'Pink Lemonade' (F)
  • Verbascum chaixii 'Album'
  • Verbascum 'Caribbean Crush'
  • Verbascum 'Pink Kisses'
  • Verbena bonariensis
  • Verbena bonariensis 'Lollipop' (PBR)
  • Verbena hastata
  • Verbena rigida
  • Veronica austriaca subsp. teucrium 'Royal Blue'
  • Veronica gentianoides 'Barbara Sherwood'
  • Veronica gentianoides 'Tissington White'
  • Veronica longifolia 'Marietta' (PBR)
  • Veronica prostrata 'Lilac Time'
  • Veronica prostrata 'Mrs Holt'
  • Veronica prostrata 'Rhapsody in Blue'
  • Veronica prostrata 'Spode Blue'
  • Veronica spicata 'Rotfuchs'
  • Veronica spicata 'Ulster Blue Dwarf'
  • Veronica Inspire Blue = 'Yabblu' (PBR)
  • Veronica Inspire Pink = 'Yabpin' (PBR)
  • Veronicastrum sibiricum
  • Veronicastrum virginicum 'Album'
  • Veronicastrum virginicum 'Fascination'
  • Viburnum carlesii 'Aurora'
  • Viburnum davidii
  • Viburnum nudum 'Pink Beauty'
  • Viburnum opulus 'Roseum'
  • Viburnum opulus 'Xanthocarpum'
  • Viburnum plicatum f. plicatum 'Popcorn'
  • Viburnum plicatum f. tomentosum Kilimanjaro Sunrise = 'Jww5' (PBR)
  • Viburnum plicatum f. tomentosum Kilimanjaro = 'Jww1' (PBR)
  • Viburnum plicatum f. tomentosum 'Lanarth'
  • Viburnum plicatum f. tomentosum 'Mariesii'
  • Viburnum plicatum f. tomentosum 'Pink Beauty'
  • Viburnum plicatum f. tomentosum 'Summer Snowflake'
  • Viburnum sargentii 'Onondaga'
  • Viburnum tinus
  • Viburnum tinus Spirit = 'Anvi' (PBR)
  • Viburnum tinus 'Eve Price'
  • Viburnum tinus 'Gwenllian'
  • Viburnum tinus 'Peter's Purple'
  • Viburnum × bodnantense 'Charles Lamont'
  • Viburnum × bodnantense 'Dawn'
  • Viburnum × burkwoodii
  • Viburnum × burkwoodii 'Anne Russell'
  • Viburnum × burkwoodii 'Mohawk'
  • Viburnum × burkwoodii 'Park Farm Hybrid'
  • Viburnum × carlcephalum
  • Viburnum × juddii
  • Viburnum 'Eskimo'
  • Viburnum 'Le Bois Marquis' (PBR)
  • Vinca major 'Wojo's Jem' (v)
  • Vinca minor 'Atropurpurea'
  • Vinca minor 'Azurea Flore Pleno' (d)
  • Vinca minor 'Bowles's Variety'
  • Vinca minor f. alba
  • Vinca minor f. alba 'Gertrude Jekyll'
  • Vinca minor 'Illumination' (v)
  • Vinca minor 'Ralph Shugert' (v)
  • Viola Bonnie Lassies Emma (Bonnie Lassies Series) (Va)
  • Viola Bonnie Lassies Sarah (Bonnie Lassies Series) (Va)
  • Viola 'Columbine' (Va)
  • Viola 'Etain' (Va)
  • Viola 'Huntercombe Purple' (Va)
  • Viola 'Molly Sanderson' (Va)
  • Viola 'Moonlight' (Va)
  • Viola 'Myfawnny' (Va)
  • Viola 'Rebecca' (Vtta)
  • Viola 'Wisley White'
  • Vitex agnus-castus f. alba
  • Vitex agnus-castus f. latifolia
  • Vitis coignetiae
  • Vitis vinifera 'Cabernet Sauvignon' (O/B)
  • Vitis vinifera 'Chardonnay' (O/W)
  • Vitis vinifera 'Madeleine Angevine' (O/W)
  • Vitis vinifera 'Madeleine Silvaner' (O/W)
  • Vitis vinifera 'Muscat Hamburg' (G/B)
  • Vitis vinifera 'Muscat of Alexandria' (G/W)
  • Vitis Seibel 13053 (O/B)
  • Vitis 'Brant' (O/B)
  • Weigela florida Magical Rainbow = 'Kolmagira' (PBR)
  • Weigela florida Monet = 'Verweig' (PBR) (v)
  • Weigela florida 'Alexandra' (PBR)
  • Weigela middendorffiana 'Mango'
  • Weigela All Summer Red = 'Slingco 1' (PBR)
  • Weigela Black and White = 'Courtacad1' (PBR)
  • Weigela Ebony and Ivory = 'Velda' (PBR)
  • Weigela Pink Poppet = 'Plangen' (PBR)
  • Weigela 'Minuet'
  • Weigela 'Praecox Variegata' (v)
  • Wisteria brachybotrys 'Okayama'
  • Wisteria brachybotrys 'Showa-beni'
  • Wisteria floribunda 'Domino'
  • Wisteria floribunda f. multijuga
  • Wisteria floribunda 'Geisha'
  • Wisteria floribunda 'Harlequin'
  • Wisteria floribunda 'Issai Perfect'
  • Wisteria floribunda 'Kokuryu'
  • Wisteria floribunda 'Kuchi-beni'
  • Wisteria floribunda 'Lawrence'
  • Wisteria frutescens 'Amethyst Falls' (PBR)
  • Wisteria frutescens 'Longwood Purple'
  • Wisteria sinensis 'Amethyst'
  • Wisteria sinensis var. sinensis f. alba
  • Wisteria × formosa 'Caroline'
  • Wisteria × valderi
  • Wisteria × valderi 'Burford'
  • Woodwardia fimbriata
  • Zantedeschia aethiopica 'Childsiana'
  • Zantedeschia aethiopica 'Green Goddess'
  • Zantedeschia 'Cantor' (PBR)
  • Zantedeschia 'Captain Prado' (PBR) (Captain Series)
  • Zantedeschia 'Golden Nugget'
  • Zantedeschia 'Mercedes' (PBR)
  • Zenobia pulverulenta 'Blue Sky'
  • Zigadenus elegans

Get involved

The Royal Horticultural Society is the UK’s leading gardening charity. We aim to enrich everyone’s life through plants, and make the UK a greener and more beautiful place.