• 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

Green Island Gardens

  • × Halimiocistus wintonensis
  • × Halimiocistus wintonensis 'Merrist Wood Cream'
  • Acacia boormanii
  • Acacia dealbata
  • Acanthus mollis
  • Acanthus spinosus L.
  • Acca sellowiana (F)
  • Acer circinatum
  • Acer davidii
  • Acer griseum
  • Acer grosseri var. hersii
  • Acer japonicum 'Aconitifolium'
  • Acer japonicum 'Vitifolium'
  • Acer palmatum
  • Acer palmatum 'Ariadne' (M/v)
  • Acer palmatum 'Atropurpureum' (A)
  • Acer palmatum 'Beni-maiko' (P)
  • Acer palmatum 'Chitose-yama' (M)
  • Acer palmatum 'Corallinum' (P)
  • Acer palmatum 'Dissectum' (D)
  • Acer palmatum 'Dissectum Atropurpureum' (D)
  • Acer palmatum Dissectum Viride Group
  • Acer palmatum 'Garnet' (D)
  • Acer palmatum 'Inazuma' (M)
  • Acer palmatum 'O-kagami' (P)
  • Acer palmatum 'Osakazuki' (A)
  • Acer palmatum 'Oshio-beni' (A)
  • Acer palmatum 'Oto-hime' (Dw)
  • Acer palmatum 'Sango-kaku' (P)
  • Acer palmatum 'Satsuki-beni' (M)
  • Acer palmatum 'Seiryu' (D)
  • Acer palmatum 'Shaina' (P)
  • Acer palmatum 'Sherwood Flame' (M)
  • Acer platanoides 'Crimson King'
  • Acer rubrum
  • Acer rufinerve
  • Acer saccharinum
  • Acer shirasawanum 'Aureum'
  • Acer shirasawanum 'Autumn Moon'
  • Acer tataricum subsp. ginnala
  • Aconitum carmichaelii Wilsonii Group
  • Aconitum napellus subsp. vulgare 'Albidum'
  • Actaea simplex (Atropurpurea Group) 'Brunette'
  • Actaea simplex Atropurpurea Group
  • Aeonium haworthii 'Kiwi'
  • Aeonium 'Blushing Beauty'
  • Aeonium 'Voodoo'
  • Aeonium 'Zwartkop'
  • Agapanthus campanulatus 'Cobalt Blue'
  • Agapanthus 'Blue Giant'
  • Agapanthus Headbourne hybrids
  • Agapanthus 'Purple Cloud'
  • Agapanthus 'Streamline'
  • Agapanthus 'White Giant'
  • Agastache rugosa 'Liquorice Blue'
  • Ajuga pyramidalis
  • Ajuga reptans 'Atropurpurea'
  • Ajuga reptans 'Catlin's Giant'
  • Ajuga reptans f. albiflora 'Alba'
  • Akebia quinata
  • Albizia julibrissin
  • Alchemilla alpina ambig.
  • Alchemilla conjuncta
  • Alchemilla ellenbeckii
  • Alchemilla erythropoda
  • Alchemilla faeroensis
  • Alchemilla iniquiformis
  • Alchemilla mollis
  • Allium aflatunense ambig.
  • Allium caeruleum
  • Allium carinatum subsp. pulchellum
  • Allium carinatum subsp. pulchellum f. album
  • Allium cernuum
  • Allium hollandicum 'Purple Sensation'
  • Allium obliquum
  • Allium schubertii
  • Allium senescens subsp. senescens
  • Allium siculum subsp. dioscoridis
  • Allium sphaerocephalon
  • Allium 'Globemaster'
  • Alstroemeria aurea 'Orange King'
  • Alstroemeria Elizabeth = 'Stamutro'
  • Alstroemeria Inca Glow = 'Koglow' (Inca Series)
  • Alstroemeria 'Aimi'
  • Alstroemeria 'Caroline' (Midi Series)
  • Alstroemeria 'Charlotte' (Mini Series)
  • Alstroemeria 'Christina' (PBR) (Little Miss Series)
  • Alstroemeria 'Gina' (PBR) (Little Miss Series)
  • Alstroemeria 'Little Miss Vanessa' (Little Miss Series)
  • Alstroemeria Planet Series
  • Alstroemeria 'Roselind' (Little Miss Series)
  • Alstroemeria 'Victoria'
  • Amaryllis belladonna
  • Amelanchier canadensis ambig.
  • Amsonia orientalis
  • Amsonia tabernaemontana galacticifolia
  • Anemanthele lessoniana
  • Anemone coronaria (De Caen Group) 'Hollandia'
  • Anemone coronaria (De Caen Group) 'Mister Fokker'
  • Anemone coronaria 'Sylphide' (Mona Lisa Series)
  • Anemone hupehensis 'Hadspen Abundance'
  • Anemone multifida Poir.
  • Anemone nemorosa
  • Anemone nemorosa 'Alba'
  • Anemone nemorosa 'Robinsoniana'
  • Anemone nemorosa 'Vestal' (d)
  • Anemone nemorosa 'Virescens'
  • Anemone × hybrida 'Honorine Jobert'
  • Anemone × hybrida 'Königin Charlotte'
  • Angelica archangelica
  • Angelica gigas
  • Anthemis punctata subsp. cupaniana
  • Anthriscus sylvestris 'Ravenswing'
  • Arbutus unedo
  • Arbutus unedo f. rubra
  • Arisaema nepenthoides
  • Arisaema speciosum
  • Armeria juniperifolia
  • Armeria juniperifolia 'Bevan's Variety'
  • Aronia melanocarpa
  • Artemisia abrotanum
  • Artemisia alba 'Canescens'
  • Artemisia pontica
  • Artemisia schmidtiana 'Nana'
  • Artemisia 'Powis Castle'
  • Aruncus dioicus
  • Asphodeline lutea
  • Asphodelus albus
  • Astilbe chinensis 'Vision in Red' (PBR)
  • Astilbe × arendsii 'Erica'
  • Astilbe Younique Lilac = 'Verslilac' (PBR) (Younique Series)
  • Astilbe 'Bumalda' (× arendsii)
  • Astilbe 'Radius' (× arendsii)
  • Astrantia major
  • Astrantia major 'Claret'
  • Astrantia major 'Venice' (PBR)
  • Astrantia 'Roma' (PBR)
  • Astrantia 'Washfield'
  • Athyrium filix-femina subsp. angustum f. rubellum 'Lady in Red'
  • Athyrium niponicum var. pictum 'Burgundy Lace'
  • Athyrium niponicum var. pictum 'Ursula's Red'
  • Athyrium vidalii
  • Aubrieta 'Blue Cascade' (Cascade Series)
  • Aubrieta 'Red Cascade' (Cascade Series)
  • Aurinia saxatilis 'Citrina'
  • Baptisia australis
  • Berberidopsis corallina
  • Berberis thunbergii 'Aurea'
  • Berberis thunbergii 'Diabolic'
  • Berberis thunbergii f. atropurpurea 'Atropurpurea Nana'
  • Berberis thunbergii f. atropurpurea 'Bagatelle'
  • Berberis thunbergii f. atropurpurea 'Red Rocket'
  • Berberis thunbergii 'Green Carpet'
  • Berberis thunbergii 'Maria' (PBR)
  • Berberis thunbergii 'Orange Rocket' (PBR)
  • Bergenia ciliata
  • Bergenia cordifolia 'Purpurea'
  • Bergenia purpurascens 'Irish Crimson'
  • Bergenia stracheyi Alba Group
  • Bergenia 'Abendglocken'
  • Bergenia 'Admiral'
  • Bergenia 'Autumn Magic'
  • Bergenia 'Baby Doll'
  • Bergenia 'Beethoven'
  • Bergenia 'Bressingham White'
  • Bergenia 'Eric Smith'
  • Bergenia 'Eroica'
  • Bergenia 'Morgenröte'
  • Bergenia 'Rosi Klose'
  • Bergenia 'Schneekoenigin'
  • Bergenia 'Silberlicht'
  • Bergenia 'Wintermärchen'
  • Berkheya purpurea 'Silver Spike'
  • Berkheya purpurea 'Zulu Warrior'
  • Betonica macrantha
  • Betonica officinalis
  • Betonica officinalis 'Rosea'
  • Betula ermanii
  • Betula utilis subsp. jacquemontii
  • Boronia heterophylla
  • Brimeura amethystina
  • Brimeura amethystina 'Alba'
  • Briza media
  • Buddleja davidii Buzz Sky Blue = 'Tobudskybl' (PBR) (Buzz Series)
  • Buddleja davidii Buzz Velvet = 'Tobudvelve' (PBR) (Buzz Series)
  • Buddleja davidii Buzz Violet = 'Tobudviole' (Buzz Series)
  • Buddleja davidii 'Black Knight'
  • Buddleja davidii 'Royal Red'
  • Buddleja Sugar Plum = 'Lonplum' (PBR)
  • Buxus sempervirens
  • Calamintha grandiflora
  • Calamintha nepeta
  • Callicarpa bodinieri
  • Callicarpa bodinieri var. giraldii 'Profusion'
  • Callistemon citrinus
  • Callistemon citrinus 'Splendens'
  • Callistemon pallidus
  • Callistemon pityoides
  • Callistemon viminalis Hot Pink = 'Kkho1' (PBR)
  • Callistemon Inferno = 'Yanferno'
  • Callistemon 'Masotti' (PBR)
  • Callistemon 'Perth Pink'
  • Calycanthus chinensis
  • Calycanthus floridus var. glaucus 'Purpureus'
  • Calycanthus × raulstonii 'Hartlage Wine'
  • Camassia cusickii
  • Camassia leichtlinii subsp. suksdorfii
  • Camassia leichtlinii subsp. suksdorfii 'Alba'
  • Camassia leichtlinii subsp. suksdorfii Caerulea Group
  • Camassia quamash
  • Camellia japonica 'Adolphe Audusson'
  • Camellia japonica 'April Tryst'
  • Camellia japonica 'Bonomiana'
  • Camellia japonica 'Brushfield's Yellow'
  • Camellia japonica 'Campsii Alba'
  • Camellia japonica 'Elegans'
  • Camellia japonica 'Gloire de Nantes'
  • Camellia japonica 'Guest of Honor'
  • Camellia japonica 'Happy Birthday'
  • Camellia japonica 'Kimberley'
  • Camellia japonica L. 'Jupiter' Paul, 1904
  • Camellia japonica 'Lady Campbell'
  • Camellia japonica 'Midnight'
  • Camellia japonica 'Pearl Maxwell'
  • Camellia japonica 'Tiffany'
  • Camellia japonica 'Tomorrow'
  • Camellia reticulata 'Mary Williams'
  • Camellia sasanqua 'Cleopatra'
  • Camellia sasanqua 'Crimson King'
  • Camellia sasanqua 'Gay Sue'
  • Camellia sasanqua 'Hiryu'
  • Camellia sasanqua 'Hugh Evans'
  • Camellia sasanqua 'Maiden's Blush'
  • Camellia sasanqua 'Narumigata'
  • Camellia sasanqua 'Peach Blossom'
  • Camellia sasanqua 'Plantation Pink'
  • Camellia sasanqua 'Rainbow'
  • Camellia × vernalis 'Yuletide'
  • Camellia × williamsii 'Anticipation'
  • Camellia × williamsii 'Debbie'
  • Camellia × williamsii 'Donation'
  • Camellia × williamsii 'E.G. Waterhouse'
  • Camellia × williamsii 'Jury's Yellow'
  • Camellia × williamsii 'Ruby Wedding' (d)
  • Camellia × williamsii 'Señorita'
  • Camellia 'Black Lace'
  • Camellia 'Canterbury'
  • Camellia 'Cornish Spring' (cuspidata × japonica)
  • Camellia 'Freedom Bell'
  • Camellia 'Paper Dolls'
  • Camellia 'Spring Festival' (cuspidata hybrid)
  • Campanula poscharskyana 'Stella'
  • Campanula punctata f. rubriflora
  • Campanula pyramidalis
  • Campanula takesimana 'Elizabeth'
  • Campsis radicans
  • Carex comans 'Frosted Curls'
  • Carex multifida
  • Carex testacea
  • Caryopteris incana 'Jason' (PBR)
  • Caryopteris × clandonensis 'Dark Knight'
  • Caryopteris × clandonensis 'Heavenly Blue'
  • Catalpa bignonioides
  • Catalpa bignonioides 'Aurea'
  • Catalpa ovata
  • Catananche caerulea
  • Ceanothus × pallidus 'Marie Simon'
  • Cedrus deodara
  • Centaurea atropurpurea
  • Centaurea montana
  • Cephalaria gigantea
  • Ceratostigma abyssinicum
  • Ceratostigma griffithii
  • Ceratostigma plumbaginoides
  • Ceratostigma willmottianum
  • Cercidiphyllum japonicum
  • Cercis canadensis 'Forest Pansy'
  • Cercis chinensis
  • Cercis chinensis 'Avondale'
  • Cercis siliquastrum
  • Cestrum parqui
  • Cestrum × cultum 'Cretan Purple'
  • Cestrum 'Newellii'
  • Chaenomeles speciosa 'Geisha Girl' (d)
  • Chaenomeles × superba 'Pink Lady'
  • Chasmanthe floribunda 'Saturnus'
  • Chelonopsis moschata
  • Chimonanthus praecox
  • Choisya ternata
  • Choisya × dewitteana Apple Blossom = 'Pmoore09' (PBR)
  • Choisya × dewitteana White Dazzler = 'Londaz' (PBR)
  • Choisya × dewitteana 'Aztec Gold' (PBR)
  • Choisya × dewitteana 'Aztec Pearl'
  • Chrysosplenium macrophyllum
  • Cirsium rivulare 'Atropurpureum'
  • Cistus × aguilarii 'Maculatus'
  • Cistus × pulverulentus 'Sunset'
  • Clematis armandi
  • Clematis × diversifolia 'Hendersonii' (I)
  • Clematis 'Broughton Star' (M/d)
  • Clematis 'Floris V' (I)
  • Clematis 'Princess Diana' (T)
  • Clerodendrum bungei
  • Clerodendrum trichotomum
  • Clethra alnifolia 'Pink Spires'
  • Clethra delavayi Franch.
  • Colchicum autumnale 'Pleniflorum' (d)
  • Colchicum bornmuelleri Freyn
  • Colchicum cilicicum
  • Colchicum 'Lilac Wonder'
  • Colchicum 'Waterlily' (d)
  • Commelina tuberosa Coelestis Group
  • Convallaria majalis
  • Convallaria majalis 'Rosea Plena' (d)
  • Convolvulus cneorum
  • Coreopsis rosea 'Heaven's Gate' (PBR)
  • Coreopsis verticillata
  • Coreopsis verticillata 'Moonbeam'
  • Cornus alba 'Sibirica'
  • Cornus capitata
  • Cornus florida
  • Cornus florida 'Cherokee Chief'
  • Cornus florida 'Cloud Nine'
  • Cornus florida f. rubra
  • Cornus florida f. rubra 'Spring Song'
  • Cornus kousa
  • Cornus kousa 'Miss Satomi'
  • Cornus kousa 'National'
  • Cornus kousa var. chinensis
  • Cornus kousa var. chinensis 'Bodnant Form'
  • Cornus macrophylla Wall.
  • Cornus mas
  • Cornus sanguinea 'Midwinter Fire'
  • Cornus 'Ormonde'
  • Coronilla valentina subsp. glauca 'Citrina'
  • Corydalis cheilanthifolia
  • Corylopsis glabrescens
  • Corylopsis spicata
  • Corylus maxima 'Purpurea' (F)
  • Cotinus coggygria
  • Cotinus coggygria Golden Spirit = 'Ancot' (PBR)
  • Cotinus coggygria 'Notcutt's Variety'
  • Cotinus coggygria 'Royal Purple'
  • Cotinus obovatus
  • Cotinus 'Flame'
  • Cotinus 'Grace'
  • Crinodendron hookerianum
  • Crocosmia masoniorum
  • Crocosmia × crocosmiiflora 'Carmin Brillant'
  • Crocosmia × crocosmiiflora 'Emily McKenzie'
  • Crocosmia × crocosmiiflora 'Norwich Canary'
  • Crocosmia × crocosmiiflora 'Solfatare'
  • Crocosmia 'Lucifer'
  • Crocosmia 'Severn Sunrise'
  • Crocus kotschyanus
  • Crocus speciosus 'Albus'
  • Cyclamen cilicium
  • Cyclamen cilicium f. album
  • Cyclamen coum
  • Cyclamen coum red-flowered
  • Cyclamen coum subsp. coum f. pallidum 'Album'
  • Cyclamen hederifolium
  • Cyclamen hederifolium 'Rosy Pink'
  • Cyclamen hederifolium var. hederifolium f. albiflorum
  • Cyclamen mirabile
  • Cyclamen mirabile 'Alba'
  • Cynara cardunculus
  • Cynara cardunculus Scolymus Group
  • Cyrtanthus brachyscyphus
  • Daphne bholua 'Jacqueline Postill'
  • Daphne laureola subsp. philippi
  • Daphne odora 'Aureomarginata' (v)
  • Darmera peltata
  • Davidia involucrata
  • Deschampsia cespitosa 'Bronzeschleier'
  • Deschampsia cespitosa 'Goldtau'
  • Deutzia × hybrida 'Magicien' ambig.
  • Deutzia × rosea
  • Dianthus deltoides
  • Dianthus (Allwoodii Group) 'Doris' pre-1954 (p)
  • Dianthus 'Gran's Favourite' (p)
  • Dianthus 'Haytor White' (p)
  • Dianthus 'Laced Monarch' (p)
  • Dianthus 'Letitia Wyatt' (p)
  • Dianthus 'Mrs Sinkins' (p)
  • Dicentra formosa
  • Dicentra formosa 'Bacchanal'
  • Dicentra formosa 'Spring Gold'
  • Dicentra formosa subsp. oregana
  • Dicentra 'Burning Hearts' (PBR)
  • Dierama igneum
  • Dierama pulcherrimum
  • Diosma hirsuta 'Silver Flame'
  • Diplarrena moraea
  • Disanthus cercidifolius
  • Disporopsis pernyi
  • Dodecatheon meadia
  • Dodecatheon pulchellum
  • Dodecatheon pulchellum subsp. pulchellum 'Red Wings'
  • Dregea sinensis
  • Drimys winteri
  • Dryopteris filix-mas
  • Echeveria 'Black Knight'
  • Echeveria 'Zonnestraal'
  • Echinacea purpurea 'Pink Double Delight' (PBR) (Cone-fections Series) (d)
  • Echinacea purpurea 'Vintage Wine' (PBR)
  • Echinacea Orange Passion = 'Orpass' (PBR)
  • Echinacea Orange Skipper = 'Echor273' (PBR) (Butterfly Series)
  • Echinacea 'After Midnight' (PBR) (Big Sky Series)
  • Echinacea 'Art's Pride' (PBR)
  • Echinacea 'Harvest Moon' (PBR) (Big Sky Series)
  • Echinacea 'Hot Summer' (PBR)
  • Echinacea 'Twilight' (PBR) (Big Sky Series)
  • Echinops bannaticus 'Blue Globe'
  • Elaeagnus umbellata Pointilla Sweet'n'Sour (Pointilla Series) (F)
  • Elaeagnus × submacrophylla
  • Elymus magellanicus
  • Enkianthus campanulatus
  • Enkianthus campanulatus 'Red Bells'
  • Epimedium grandiflorum
  • Epimedium grandiflorum 'Lilafee'
  • Epimedium grandiflorum 'Rose Queen'
  • Epimedium membranaceum
  • Epimedium pubigerum
  • Epimedium × cantabrigiense
  • Epimedium × perralchicum 'Fröhnleiten'
  • Epimedium × rubrum
  • Epimedium × versicolor 'Cupreum'
  • Epimedium × versicolor 'Sulphureum'
  • Epimedium × warleyense
  • Epimedium 'Akebono'
  • Epipactis gigantea
  • Ercilla volubilis
  • Eremurus × isabellinus 'Cleopatra'
  • Eriobotrya japonica (F)
  • Erodium chrysanthum
  • Erodium manescavii
  • Eryngium eburneum
  • Eryngium giganteum
  • Eryngium variifolium
  • Erythronium californicum 'White Beauty'
  • Erythronium dens-canis 'Rose Queen'
  • Erythronium 'Pagoda'
  • Eucomis bicolor
  • Eucomis comosa 'Sparkling Burgundy'
  • Eucomis pallidiflora subsp. pallidiflora
  • Eucomis vandermerwei
  • Eucryphia lucida 'Pink Cloud'
  • Eucryphia × nymansensis 'Nymansay'
  • Euonymus alatus
  • Euonymus alatus 'Compactus'
  • Euonymus europaeus 'Red Cascade'
  • Euonymus planipes
  • Eupatorium cannabinum
  • Eupatorium maculatum Atropurpureum Group
  • Euphorbia amygdaloides 'Purpurea'
  • Euphorbia amygdaloides var. robbiae
  • Euphorbia characias subsp. wulfenii
  • Euphorbia characias subsp. wulfenii 'John Tomlinson'
  • Euphorbia cornigera
  • Euphorbia cyparissias 'Fens Ruby'
  • Euphorbia dulcis 'Chameleon'
  • Euphorbia epithymoides 'Bonfire' (PBR)
  • Euphorbia griffithii 'Dixter'
  • Euphorbia griffithii 'Fireglow'
  • Euphorbia mellifera
  • Euphorbia myrsinites
  • Euphorbia oblongata
  • Euphorbia pithyusa
  • Euphorbia portlandica
  • Euphorbia seguieriana
  • Euphorbia stygiana
  • Euphorbia × pasteurii 'John Phillips'
  • Eurybia divaricata
  • Exochorda × macrantha 'The Bride'
  • Fagus sylvatica Atropurpurea Group
  • Fargesia murielae
  • Fatsia japonica
  • Festuca glauca 'Elijah Blue'
  • Filipendula multijuga
  • Filipendula palmata
  • Filipendula purpurea 'Elegans'
  • Filipendula rubra 'Venusta'
  • Filipendula ulmaria 'Aurea'
  • Filipendula vulgaris 'Grandiflora'
  • Fothergilla major
  • Fritillaria meleagris
  • Fuchsia boliviana Carrière
  • Fuchsia paniculata (T)
  • Fuchsia 'Lottie Hobby' (E)
  • Fuchsia 'Speciosa'
  • Galactites tomentosa
  • Galanthus elwesii
  • Galanthus nivalis
  • Galanthus nivalis f. pleniflorus 'Flore Pleno' (d)
  • Galanthus nivalis 'Viridapice'
  • Galtonia candicans
  • Galtonia viridiflora
  • Gardenia jasminoides 'Kleim's Hardy'
  • Gaultheria mucronata
  • Gaultheria procumbens
  • Geranium himalayense 'Plenum' (d)
  • Geranium macrorrhizum
  • Geranium nodosum
  • Geranium nodosum lilac-flowered
  • Geranium phaeum
  • Geranium pratense (Victor Reiter Group) 'Midnight Reiter'
  • Geranium pratense 'Striatum'
  • Geranium psilostemon
  • Geranium renardii
  • Geranium sanguineum
  • Geranium sanguineum 'Max Frei'
  • Geranium sanguineum var. striatum
  • Geranium subcaulescens 'Giuseppii'
  • Geranium wlassovianum
  • Geranium × cantabrigiense 'Cambridge'
  • Geranium × johnsonii 'Johnson's Blue'
  • Geranium × magnificum
  • Geranium × oxonianum
  • Geranium × oxonianum 'Wargrave Pink'
  • Geranium (Cinereum Group) Rothbury Gem = 'Gerfos' (PBR)
  • Geranium (Cinereum Group) 'Ballerina'
  • Geranium (Cinereum Group) 'Purple Pillow'
  • Geranium (Cinereum Group) 'Thumbling Hearts'
  • Geranium Rozanne = 'Gerwat' (PBR)
  • Geranium 'Ann Folkard'
  • Geranium 'Nimbus'
  • Geum rivale 'Album'
  • Geum rivale 'Leonard's Variety'
  • Geum rivale pink-flowered
  • Geum 'Banana Daiquiri' (Cocktails Series)
  • Geum 'Coppertone'
  • Geum 'Cosmopolitan' (Cocktails Series)
  • Geum 'Lemon Drops'
  • Geum 'Mai Tai' (PBR) (Cocktails Series)
  • Gillenia trifoliata
  • Gladiolus communis subsp. byzantinus
  • Gladiolus murielae
  • Grevillea alpina
  • Grevillea juniperina f. sulphurea
  • Grevillea lanigera 'Mount Tamboritha'
  • Grevillea rosmarinifolia 'Jenkinsii'
  • Grevillea 'Canberra Gem'
  • Grevillea 'Olympic Flame'
  • Griselinia littoralis
  • Halesia carolina
  • Halimium calycinum
  • Halleria lucida
  • Haloragis erecta 'Wellington Bronze'
  • Hamamelis japonica 'Rubra'
  • Hamamelis virginiana
  • Hamamelis × intermedia 'Arnold Promise'
  • Hamamelis × intermedia 'Diane'
  • Hamamelis × intermedia 'Feuerzauber'
  • Hamamelis × intermedia 'Jelena'
  • Hamamelis × intermedia 'Orange Beauty'
  • Hamamelis × intermedia 'Pallida'
  • Hebe 'Caledonia'
  • Hebe 'Emerald Gem'
  • Hebe 'Headfortii'
  • Hebe 'Red Edge'
  • Hebe 'Wiri Charm'
  • Hebe 'Wiri Cloud'
  • Hebe 'Wiri Dawn'
  • Helichrysum italicum
  • Helleborus foetidus
  • Helleborus niger
  • Helleborus orientalis ambig.
  • Helleborus × ericsmithii 'Winter Sunshine' (PBR)
  • Helleborus × hybridus anemone-centred
  • Helleborus × hybridus Ashwood Garden hybrids, double green-spotted (d)
  • Helleborus × hybridus 'Burgundy'
  • Helleborus × hybridus 'Double Black' (d)
  • Helleborus × hybridus 'Double Ellen Picotee' (d)
  • Helleborus × hybridus 'Double Ellen Pink' (d)
  • Helleborus × hybridus 'Double Ellen Pink Spotted' (d)
  • Helleborus × hybridus 'Double Ellen Red' (d)
  • Helleborus × hybridus 'Double Ellen Red Splash' (d)
  • Helleborus × hybridus 'Double Ellen White' (d)
  • Helleborus × hybridus 'Double Ellen White Spotted' (d)
  • Helleborus × hybridus 'Double Ellen Yellow' (d)
  • Helleborus × hybridus double spotted (Lady Series) (d)
  • Helleborus × hybridus double, dark purple-flowered (d)
  • Helleborus × hybridus double, green-flowered (d)
  • Helleborus × hybridus Farmyard double slate-grey (d)
  • Helleborus × hybridus Farmyard double waterlily (d)
  • Helleborus × hybridus Hillier hybrids anemone-centred, pink
  • Helleborus × hybridus 'Pink Lady' (Lady Series)
  • Helleborus × hybridus 'Pink Lady Spotted' (Lady Series)
  • Helleborus × hybridus 'Pretty Ellen Purple'
  • Helleborus × hybridus 'Queen of the Night' (Queen Series)
  • Helleborus × hybridus 'Red Lady' (Lady Series)
  • Helleborus × hybridus slate-grey
  • Helleborus × hybridus spotted, double, pink (d)
  • Helleborus × hybridus spotted, double, yellow (d)
  • Helleborus × hybridus Washfield double-flowered (d)
  • Helleborus × hybridus 'White Lady Spotted' (Lady Series)
  • Helleborus × hybridus 'Yellow Lady' (Lady Series)
  • Helleborus × sahinii 'Winterbells' (PBR)
  • Hemerocallis 'Always Afternoon'
  • Hemerocallis 'American Revolution'
  • Hemerocallis 'Bonanza'
  • Hemerocallis 'Cartwheels'
  • Hemerocallis 'Daring Deception'
  • Hemerocallis 'Double Dream' (d)
  • Hemerocallis 'Double Red Royal' (d)
  • Hemerocallis 'Eenie Weenie Non-stop'
  • Hemerocallis 'Fragrant Returns'
  • Hemerocallis 'George Cunningham'
  • Hemerocallis 'Golden Chimes'
  • Hemerocallis 'Janice Brown'
  • Hemerocallis 'Longfields Anwar'
  • Hemerocallis 'Longfields Whoopy'
  • Hemerocallis 'Macbeth'
  • Hemerocallis 'Night Beacon'
  • Hemerocallis 'Painted Lady'
  • Hemerocallis 'Pandora's Box'
  • Hemerocallis 'Pardon Me'
  • Hemerocallis 'Siloam Paul Watts'
  • Hemerocallis 'Stafford'
  • Hemerocallis 'Summer Wine'
  • Hemerocallis 'Thumbelina'
  • Hemerocallis 'Tigger'
  • Hemerocallis 'Voodoo Dancer'
  • Hepatica nobilis
  • Hesperantha coccinea 'Fenland Daybreak'
  • Hesperantha coccinea 'Major'
  • Hesperantha coccinea 'Zeal Salmon'
  • Heuchera sanguinea
  • Heuchera villosa 'Palace Purple'
  • Heuchera 'Citronelle'
  • Heuchera 'Fire Chief' (PBR)
  • Heuchera 'Obsidian' (PBR)
  • Heuchera 'Peach Flambé' (PBR)
  • Heuchera 'Petite Pearl Fairy' (Petite Series)
  • Heuchera 'Stormy Seas'
  • Heuchera 'Swirling Fantasy' (PBR)
  • Hoheria 'Borde Hill'
  • Holboellia latifolia
  • Hosta fortunei var. albopicta (v)
  • Hosta plantaginea
  • Hosta sieboldiana
  • Hosta 'August Moon'
  • Hosta 'Golden Tiara' (v)
  • Hosta 'Great Expectations' (sieboldiana) (v)
  • Hosta 'Paradise Island' (PBR) (sieboldiana) (v)
  • Hosta 'Touch of Class' (PBR) (v)
  • Hosta 'Twilight' (fortunei) (v)
  • Humulus lupulus 'Aureus'
  • Hyacinthoides non-scripta
  • Hyacinthoides non-scripta 'Alba'
  • Hyacinthoides non-scripta 'Rosea'
  • Hydrangea anomala subsp. petiolaris
  • Hydrangea arborescens Pink Annabelle = 'Ncha1' (PBR)
  • Hydrangea arborescens 'Annabelle'
  • Hydrangea macrophylla Glam Rock = 'Horwack' (PBR) (H)
  • Hydrangea macrophylla 'Ami Pasquier' (H)
  • Hydrangea macrophylla 'Möwe' (Teller Series) (L)
  • Hydrangea macrophylla 'Masja' (H)
  • Hydrangea macrophylla 'Merveille Sanguine' (H)
  • Hydrangea macrophylla 'Purple Prince' (H)
  • Hydrangea macrophylla 'Red Riding Hood' (H)
  • Hydrangea macrophylla 'Sabrina' (Dutch Ladies Series) (H)
  • Hydrangea macrophylla 'Schöne Bautznerin' (H)
  • Hydrangea macrophylla 'Zorro' (PBR) (L)
  • Hydrangea paniculata Diamant Rouge = 'Rendia' (PBR)
  • Hydrangea paniculata Pink Diamond = 'Interhydia'
  • Hydrangea paniculata Vanille Fraise = 'Renhy' (PBR)
  • Hydrangea paniculata 'Limelight' (PBR)
  • Hydrangea paniculata 'Wim's Red' (PBR)
  • Hydrangea quercifolia
  • Hydrangea seemannii
  • Hydrangea Miss Saori = 'H2002' (PBR) (d)
  • Hylotelephium cauticola 'Lidakense'
  • Hylotelephium spectabile Brilliant Group
  • Hylotelephium spectabile 'Iceberg'
  • Hylotelephium telephium (Atropurpureum Group) 'African Pearl'
  • Hylotelephium telephium (Atropurpureum Group) 'Möhrchen'
  • Hylotelephium telephium (Atropurpureum Group) 'Purple Emperor'
  • Hylotelephium telephium subsp. ruprechtii
  • Hylotelephium (Herbstfreude Group) 'Herbstfreude'
  • Hylotelephium 'Munstead Red'
  • Hylotelephium 'Red Cauli'
  • Hylotelephium 'Ruby Glow'
  • Idesia polycarpa
  • Imperata cylindrica 'Rubra'
  • Incarvillea delavayi
  • Ipheion uniflorum
  • Ipheion uniflorum 'Charlotte Bishop'
  • Iris chrysographes
  • Iris confusa 'Martyn Rix'
  • Iris ensata
  • Iris ensata 'Jupiter'
  • Iris ensata 'Waka-murasaki-uyeki'
  • Iris fulva
  • Iris graminea
  • Iris innominata 'Clotted Cream'
  • Iris innominata 'Peacock'
  • Iris latifolia
  • Iris pseudacorus var. bastardii
  • Iris pumila
  • Iris sanguinea 'Snow Queen'
  • Iris setosa
  • Iris unguicularis
  • Iris unguicularis 'Mary Barnard'
  • Iris 'Benton Arundel' (TB)
  • Iris 'Black Dragon' (TB)
  • Iris 'Black Gamecock' (La)
  • Iris 'Black Knight' (TB)
  • Iris 'Blue Pigmy' (SDB)
  • Iris 'Bold Pretender' (La)
  • Iris 'Broadleigh Rose' (CH)
  • Iris 'Butter and Sugar' (Sib)
  • Iris 'Cherry Garden' (SDB)
  • Iris 'Cyanea' (DB)
  • Iris 'Depth of Field' (TB)
  • Iris 'Desert Song' (TB)
  • Iris 'Helga'
  • Iris 'Howard Weed' (TB)
  • Iris 'Jane Phillips' (TB)
  • Iris 'Michael Paul' (SDB)
  • Iris 'Music Maker' (TB)
  • Iris 'Night Owl' (TB)
  • Iris 'Raspberry Blush' (IB)
  • Iris 'Rigamarole' (Sib)
  • Iris 'Ringo' (TB)
  • Iris 'Sea Shadows' (Sib)
  • Iris 'Temper Tantrum' (Sib)
  • Iris 'Timescape' (TB)
  • Itea virginica
  • Itea virginica 'Henry's Garnet'
  • Ixia 'Castor'
  • Ixia 'Venus'
  • Jasminum beesianum
  • Jasminum officinale 'Devon Cream' (PBR)
  • Jovibarba sobolifera
  • Kalmia latifolia
  • Kalmia latifolia 'Olympic Fire'
  • Knautia macedonica
  • Knautia macedonica Melton pastels
  • Kniphofia 'Little Maid'
  • Kniphofia 'Percy's Pride'
  • Kniphofia 'Red Rocket' (PBR)
  • Kniphofia 'Strawberries and Cream'
  • Kniphofia 'Timothy'
  • Koelreuteria paniculata
  • Lagerstroemia indica Petite Pinkie = 'Monkie'
  • Lamium orvala
  • Lamprocapnos spectabilis
  • Lamprocapnos spectabilis Valentine = 'Hordival' (PBR)
  • Lamprocapnos spectabilis 'Alba'
  • Lavandula stoechas 'Sancho Panza' (PBR)
  • Leonurus cardiaca
  • Leptospermum scoparium
  • Leptospermum scoparium (Nanum Group) 'Kiwi'
  • Leptospermum scoparium 'Red Damask' (d)
  • Leptospermum scoparium 'Winter Cheer' (d)
  • Lespedeza bicolor
  • Lespedeza thunbergii subsp. formosa
  • Leucothoe fontanesiana 'Rainbow' (v)
  • Leucothoe Scarletta = 'Zeblid'
  • Leycesteria formosa
  • Liatris spicata
  • Libertia grandiflora ambig.
  • Libertia ixioides
  • Libertia peregrinans
  • Libertia sessiliflora 'Caerulescens'
  • Lilium lancifolium var. fortunei (IXc/d)
  • Lilium martagon var. rubrum
  • Lilium regale (IXb/a)
  • Lilium African Queen Group × sulphureum (VI)
  • Lilium 'Anastasia' (VIIIb-c/b-d)
  • Lilium 'Black Beauty' (VIIIb-c/d)
  • Lilium 'Fangio' (VIIIa/b)
  • Lilium 'Honeymoon' (VIIIa-b/b)
  • Lilium 'Miss Feya' (VIIIb/c)
  • Lilium 'Orania' (PBR) (VIIIb/b)
  • Lilium Pink Perfection Group (VIb/a)
  • Lilium 'Star Gazer' (VIIa/c)
  • Linaria purpurea
  • Linaria purpurea 'Canon Went'
  • Liquidambar styraciflua
  • Liquidambar styraciflua 'Lane Roberts'
  • Liquidambar styraciflua 'Worplesdon'
  • Liriodendron tulipifera
  • Liriope muscari
  • Lobelia siphilitica
  • Lobelia tupa
  • Lobelia × speciosa
  • Lonicera fragrantissima
  • Lonicera periclymenum 'Belgica'
  • Lonicera × purpusii 'Winter Beauty'
  • Lophomyrtus × ralphii 'Magic Dragon' (PBR) (v)
  • Loropetalum chinense Hot Spice
  • Loropetalum chinense 'Ming Dynasty'
  • Loropetalum chinense var. rubrum 'Chang Nian Hong' (PBR)
  • Loropetalum chinense var. rubrum 'Fire Dance'
  • Loropetalum chinense var. rubrum 'Pearl' (PBR)
  • Loropetalum chinense var. rubrum 'Pipa's Red'
  • Lotus hirsutus
  • Luzula sylvatica
  • Lychnis chalcedonica 'Rosea'
  • Lychnis coronaria
  • Lychnis flos-cuculi Jenny = 'Lychjen' (d)
  • Lychnis viscaria 'Alba'
  • Lychnis viscaria 'Splendens'
  • Lysichiton × hortensis
  • Macleaya microcarpa 'Kelway's Coral Plume'
  • Magnolia liliiflora 'Nigra'
  • Magnolia sieboldii
  • Magnolia stellata
  • Magnolia stellata 'Jane Platt'
  • Magnolia × loebneri 'Leonard Messel'
  • Magnolia × soulangeana
  • Magnolia Fairy Magnolia Blush = 'Micjur01' (PBR)
  • Magnolia 'Heaven Scent'
  • Magnolia 'Lois'
  • Magnolia 'Vulcan'
  • Mahonia × media 'Charity'
  • Mahonia × media 'Winter Sun'
  • Maianthemum racemosum
  • Malus 'Prairifire'
  • Mathiasella bupleuroides 'Green Dream'
  • Matteuccia struthiopteris
  • Melica uniflora f. albida
  • Mertensia virginica
  • Miscanthus sinensis 'Silberfeder'
  • Miscanthus sinensis 'Zebrinus' (v)
  • Modiolastrum lateritium
  • Monarda 'Beauty of Cobham'
  • Monarda 'Blaustrumpf'
  • Monarda 'Cambridge Scarlet'
  • Monarda 'Croftway Pink'
  • Monarda 'Gardenview Scarlet'
  • Monarda 'Gewitterwolke'
  • Monarda 'Prärienacht'
  • Monarda 'Westacre Purple'
  • Nandina domestica
  • Nandina domestica 'Fire Power'
  • Nandina domestica 'Gulf Stream'
  • Nandina domestica 'Seika' (PBR)
  • Nandina domestica 'Wood's Dwarf'
  • Narcissus bulbocodium subsp. bulbocodium var. conspicuus (13)
  • Narcissus 'Tête-À-tête' (12)
  • Neillia thibetica
  • Nerine bowdenii
  • Nerine bowdenii 'Patricia'
  • Nerine sarniensis var. corusca 'Major'
  • Nerine undulata
  • Nerine 'Isobel'
  • Nerine 'Mr John'
  • Nyssa sinensis
  • Nyssa sylvatica
  • Oenothera lindheimeri Rosyjane = 'Harrosy' (PBR) (G)
  • Oenothera 'Lemon Sunset'
  • Olea europaea (F)
  • Omphalodes verna
  • Omphalodes verna 'Alba'
  • Onoclea sensibilis
  • Ophiopogon planiscapus
  • Ophiopogon planiscapus 'Kokuryu'
  • Ornithogalum umbellatum
  • Orthrosanthus laxus
  • Osmanthus delavayi
  • Osmanthus heterophyllus 'Gulftide'
  • Osmanthus heterophyllus 'Purpureus'
  • Osmanthus × burkwoodii
  • Oxydendrum arboreum
  • Pachysandra terminalis
  • Paeonia kavachensis
  • Paeonia lactiflora 'Bowl of Beauty'
  • Paeonia lactiflora 'Charm'
  • Paeonia lactiflora 'Doctor Alexander Fleming'
  • Paeonia lactiflora 'Duchesse de Nemours'
  • Paeonia lactiflora 'Félix Crousse'
  • Paeonia lactiflora 'Louis van Houtte'
  • Paeonia lactiflora 'Mr G.F. Hemerik'
  • Paeonia lactiflora 'Nippon Beauty'
  • Paeonia lactiflora 'Soft Salmon Joy'
  • Paeonia lactiflora 'Sword Dance'
  • Paeonia ludlowii (S)
  • Paeonia mascula
  • Paeonia × festiva 'Rubra Plena' (d)
  • Paeonia × suffruticosa 'Yu Ban Bai' (S)
  • Paeonia 'Buckeye Belle' (d)
  • Paeonia 'Callie's Memory'
  • Paeonia 'Coral Charm'
  • Paeonia 'Coral Sunset'
  • Panicum virgatum 'Squaw'
  • Papaver orientale
  • Papaver (Oriental Group) 'Brooklyn' (New York Series)
  • Papaver (Oriental Group) 'Patty's Plum'
  • Paradisea lusitanica
  • Parahebe catarractae white-flowered
  • Parahebe perfoliata
  • Paris polyphylla
  • Parrotia persica
  • Parrotia persica 'Vanessa'
  • Parthenocissus quinquefolia
  • Paulownia tomentosa
  • Pelargonium sidoides
  • Pennisetum alopecuroides 'Hameln'
  • Pennisetum orientale
  • Pennisetum villosum
  • Penstemon digitalis
  • Penstemon digitalis 'Husker Red'
  • Penstemon heterophyllus 'Catherine de la Mare'
  • Penstemon heterophyllus 'Heavenly Blue'
  • Penstemon 'Abbotsmerry'
  • Penstemon 'Andenken an Friedrich Hahn'
  • Penstemon 'Apple Blossom'
  • Penstemon 'Blackbird' (Bird Series)
  • Penstemon 'Chester Scarlet'
  • Penstemon 'King George V'
  • Penstemon 'Maurice Gibbs'
  • Penstemon 'Midnight'
  • Penstemon 'Pensham Amelia Jane' (Pensham Series)
  • Penstemon 'Pensham Bilberry Ice' (Pensham Series)
  • Penstemon 'Pensham Dorothy Wilson' (Pensham Series)
  • Penstemon 'Pensham Just Jayne' (Pensham Series)
  • Penstemon 'Pensham Laura' (Pensham Series)
  • Penstemon 'Pensham Plum Jerkum' (Pensham Series)
  • Penstemon 'Pershore Pink Necklace'
  • Penstemon 'Purple Bedder'
  • Penstemon 'Schoenholzeri'
  • Penstemon 'Species RLB'
  • Penstemon 'Vanilla Plum' (Ice Cream Series)
  • Penstemon 'White Bedder'
  • Persicaria affinis 'Donald Lowndes'
  • Persicaria amplexicaulis 'Firetail'
  • Persicaria bistorta 'Superba'
  • Persicaria campanulata
  • Philadelphus coronarius 'Aureus'
  • Philadelphus 'Belle Étoile'
  • Philadelphus 'Manteau d'Hermine' (d)
  • Philotheca myoporoides
  • Phlox douglasii 'Rosea'
  • Phlox glaberrima 'Bill Baker'
  • Phlox maculata
  • Phlox maculata 'Alba'
  • Phlox paniculata 'Amethyst' ambig.
  • Phlox paniculata 'Blue Paradise'
  • Phlox paniculata 'Grenadine Dream' (PBR)
  • Phlox paniculata 'Katja'
  • Phlox paniculata 'Otley Choice'
  • Phlox paniculata 'The King'
  • Phlox subulata 'Emerald Cushion'
  • Phlox subulata 'Marjorie'
  • Phlox subulata 'Scarlet Flame'
  • Phlox × arendsii 'Miss Margie' (Spring Pearl Series)
  • Phormium cookianum subsp. hookeri 'Cream Delight' (v)
  • Phormium tenax Purpureum Group
  • Phormium 'Maori Sunrise' (v)
  • Phormium 'Pink Stripe' (v)
  • Phormium 'Sundowner' (v)
  • Phormium 'Yellow Wave' (v)
  • Photinia × fraseri 'Little Red Robin'
  • Photinia × fraseri 'Red Robin'
  • Phuopsis stylosa
  • Phygelius × rectus Somerford Funfair Coral = 'Yapcor' (Somerford Funfair Series)
  • Phygelius × rectus Somerford Funfair Wine = 'Yapwin' (Somerford Funfair Series)
  • Phyllostachys nigra
  • Physocarpus opulifolius Lady in Red = 'Tuilad' (PBR)
  • Physocarpus opulifolius 'Burning Embers'
  • Physocarpus opulifolius 'Dart's Gold'
  • Physocarpus opulifolius 'Diabolo' (PBR)
  • Phytolacca americana
  • Phytolacca polyandra
  • Pieris japonica 'Mountain Fire'
  • Pieris japonica 'Passion' (PBR)
  • Pieris japonica 'Pygmaea'
  • Pieris japonica 'Valley Valentine'
  • Pieris 'Forest Flame'
  • Pittosporum heterophyllum
  • Pittosporum tenuifolium
  • Pittosporum tenuifolium 'Elizabeth' (m/v)
  • Pittosporum tenuifolium 'Tom Thumb'
  • Pittosporum tobira
  • Pittosporum tobira 'Nanum'
  • Podophyllum peltatum
  • Polygala × dalmaisiana
  • Polygonatum multiflorum L.
  • Potentilla recta var. sulphurea
  • Potentilla × tonguei
  • Primula auricula 'Adrienne' (Au/A)
  • Primula auricula 'Angel Islington' (Au/S)
  • Primula auricula 'Ansells' (Au/S)
  • Primula auricula 'Argus' (Au/A)
  • Primula auricula 'Blue Waves' (Au/B)
  • Primula auricula 'Blue Yodeler' (Au/A)
  • Primula auricula 'Chaffinch' (Au/S)
  • Primula auricula 'Chelsea Bridge' (Au/A)
  • Primula auricula 'Cheops' (Au/A)
  • Primula auricula 'Cherry Picker' (Au/A)
  • Primula auricula 'Doublet' (Au/d)
  • Primula auricula 'Douglas Black' (Au/S)
  • Primula auricula 'Ellen Thompson' (Au/A)
  • Primula auricula 'Grenville' (Au)
  • Primula auricula hort. 'Cortina' (Au/S)
  • Primula auricula hort. 'Royal Mail' (Au/S)
  • Primula auricula 'Indian Love Call' (Au/A)
  • Primula auricula 'Joel' (Au/S)
  • Primula auricula 'Murray Lakes' (Au/A)
  • Primula auricula 'Old Gold' (Au/S)
  • Primula auricula 'Old Mustard' (Au/B)
  • Primula auricula 'Pharaoh' (Au/A)
  • Primula auricula 'Pierot' (Au/A)
  • Primula auricula 'Pippin' (Au/A)
  • Primula auricula 'Red Gauntlet' (Au/S)
  • Primula auricula 'Strawberry Fields' (Au/S)
  • Primula auricula 'Stromboli' (Au/d)
  • Primula auricula 'Vesuvius' (Au/d)
  • Primula denticulata hybrids (De)
  • Primula florindae (Si)
  • Primula japonica 'Apple Blossom' (Pf)
  • Primula japonica 'Miller's Crimson' (Pf)
  • Primula polyneura (Co)
  • Primula sieboldii 'Manakoora' (Co)
  • Primula veris (Pr)
  • Primula vulgaris (Pr/Prim)
  • Primula × pubescens 'Winnifred' (Au)
  • Primula Candelabra hybrids (Pf)
  • Prostanthera cuneata
  • Prostanthera incisa
  • Prostanthera rotundifolia
  • Prostanthera walteri
  • Prunus persica 'Melred' (F)
  • Prunus × incam 'Okamé'
  • Prunus × subhirtella 'Autumnalis'
  • Pulmonaria angustifolia 'Azurea'
  • Pulmonaria saccharata 'Dora Bielefeld'
  • Pulmonaria 'Blue Ensign'
  • Pulsatilla rubra
  • Pulsatilla vulgaris
  • Pulsatilla vulgaris 'Alba'
  • Quercus rubra
  • Rhaphiolepis indica Springtime = 'Monme'
  • Rhaphiolepis umbellata
  • Rhodiola kirilowii var. rubra
  • Rhodiola pachyclados
  • Rhodiola rosea
  • Rhododendron campylogynum (Charopoeum Group) 'Patricia'
  • Rhododendron fastigiatum
  • Rhododendron impeditum
  • Rhododendron luteum (A)
  • Rhododendron molle 'Arctic Flush' (PBR) (A)
  • Rhododendron williamsianum
  • Rhododendron (Aronense Group) 'Momoko' (EA)
  • Rhododendron (Blue Diamond Group) 'Blue Diamond'
  • Rhododendron (Bow Bells Group) 'Bow Bells'
  • Rhododendron (Carmen Group) 'Carmen'
  • Rhododendron (Cowslip Group) 'Cowslip'
  • Rhododendron (Hotspur Group) 'Hotspur Red' (K)
  • Rhododendron (Obtusum Group) 'Amoenum' (EA/d)
  • Rhododendron Autumn Empress = 'Conles' (PBR) (Encore Series) (EA)
  • Rhododendron Autumn Sunset = 'Roblen' (Encore Series) (EA)
  • Rhododendron 'Aksel Olsen'
  • Rhododendron 'Anneke' (A)
  • Rhododendron 'Apricot Surprise'
  • Rhododendron 'Baden-Baden'
  • Rhododendron 'Barbecue' (K)
  • Rhododendron 'Bengal'
  • Rhododendron 'Berryrose' (K)
  • Rhododendron 'Blaauw's Pink' (Kurume) (EA)
  • Rhododendron 'Blue Danube' (EA)
  • Rhododendron 'Blue Star'
  • Rhododendron 'Cecile' (K)
  • Rhododendron 'Chikor'
  • Rhododendron Diamant Group red-flowered (EA)
  • Rhododendron 'Exquisitum' (O)
  • Rhododendron 'Fireball' (K)
  • Rhododendron 'Gartendirektor Glocker'
  • Rhododendron Gertrud Schäle Group
  • Rhododendron 'Gibraltar' (K)
  • Rhododendron 'Ginny Gee'
  • Rhododendron 'Glowing Embers' (K)
  • Rhododendron 'Golden Eagle' (K)
  • Rhododendron 'Golden Flame' (A)
  • Rhododendron 'Golden Flare' (A)
  • Rhododendron 'Golden Lights' (A)
  • Rhododendron 'Hino-crimson' (Kurume) (EA)
  • Rhododendron 'Homebush' (K/d)
  • Rhododendron 'Ho-o' (Kurume) (EA)
  • Rhododendron 'Horizon Monarch'
  • Rhododendron 'Hotei'
  • Rhododendron Humming Bird Group
  • Rhododendron 'Irene Koster' (O)
  • Rhododendron 'Johanna' (EA)
  • Rhododendron 'Jolie Madame' (Vs)
  • Rhododendron 'Klondyke' (K)
  • Rhododendron 'Knap Hill Salmon' (K)
  • Rhododendron 'Lemur' (EA)
  • Rhododendron 'Little Ben'
  • Rhododendron 'Little Favourite' (EA)
  • Rhododendron 'Lord Roberts'
  • Rhododendron 'Mary Poppins' (A)
  • Rhododendron 'Molly Ann'
  • Rhododendron 'Mother's Day' (Kurume) (EA)
  • Rhododendron 'Nabucco' (A)
  • Rhododendron 'Nani-wagata' (EA)
  • Rhododendron 'Narcissiflorum' (G/d)
  • Rhododendron 'Nova Zembla'
  • Rhododendron 'Orange Beauty' (Kaempferi) (EA)
  • Rhododendron 'Patty Bee'
  • Rhododendron 'Persil' (K)
  • Rhododendron 'Phalarope'
  • Rhododendron 'Saint Merryn'
  • Rhododendron 'Saturnus' (M)
  • Rhododendron 'Scarlet Wonder'
  • Rhododendron 'Shamrock'
  • Rhododendron 'Snow Lady'
  • Rhododendron 'Strawberry Ice' (K)
  • Rhododendron 'Sun Fire'
  • Rhododendron 'Surprise' ambig. (EA)
  • Rhododendron Temple Belle Group
  • Rhododendron 'Too Bee'
  • Rhododendron 'Tornado'
  • Rhododendron 'Tunis' (K)
  • Rhododendron 'Vuyk's Rosyred' (Vuykiana) (EA)
  • Rhododendron 'Vuyk's Scarlet' (Vuykiana) (EA)
  • Rhododendron 'Wallowa Red' (A)
  • Rhododendron 'Wee Bee'
  • Rhododendron 'Whisperingrose'
  • Rhododendron 'Wren'
  • Rhodohypoxis baurii 'Tetra Red'
  • Rhodohypoxis 'Kiwi Joy' (d)
  • Rhus glabra 'Laciniata' ambig.
  • Ribes aureum Pursh
  • Ribes sanguineum 'King Edward VII'
  • Ribes speciosum
  • Ribes × beatonii
  • Rosa glauca ambig.
  • Rosa lucieae
  • Rosa 'Excelsa' (Ra)
  • Roscoea cautleyoides
  • Roscoea purpurea
  • Rubus spectabilis 'Olympic Double' (d)
  • Rumex sanguineus
  • Ruta graveolens 'Jackman's Blue'
  • Salvia confertiflora
  • Salvia guaranitica 'Argentina Skies'
  • Salvia involucrata 16339
  • Salvia microphylla
  • Salvia microphylla 'Oxford'
  • Salvia nemorosa Sensation Rose (Sensation Series)
  • Salvia nemorosa 'Caradonna'
  • Salvia nemorosa 'Ostfriesland'
  • Salvia officinalis 'Purpurascens'
  • Salvia pratensis 'Sweet Esmeralda' (Ballet Series)
  • Salvia uliginosa
  • Salvia verticillata 'Purple Rain'
  • Salvia Amethyst Lips = 'Dyspurp'
  • Salvia Ember's Wish = 'Sal 0101' (PBR)
  • Salvia Love and Wishes = 'Serendip6' (PBR)
  • Salvia 'Amante'
  • Salvia 'Amistad' (PBR)
  • Salvia 'Blue Spire' (Pe)
  • Salvia 'Christine Yeo'
  • Salvia 'Hot Lips'
  • Salvia 'Wendy's Wish' (PBR)
  • Sambucus nigra f. porphyrophylla 'Guincho Purple'
  • Sambucus racemosa 'Sutherland Gold'
  • Sanguinaria canadensis
  • Sanguisorba menziesii
  • Sanguisorba obtusa
  • Sanguisorba officinalis
  • Sanicula epipactis
  • Santolina chamaecyparissus 'Lemon Queen'
  • Santolina pinnata subsp. neapolitana 'Edward Bowles'
  • Santolina pinnata subsp. neapolitana 'Sulphurea'
  • Santolina rosmarinifolia subsp. canescens
  • Santolina rosmarinifolia subsp. rosmarinifolia 'Primrose Gem'
  • Sarcococca hookeriana var. digyna
  • Sarcococca hookeriana var. humilis
  • Sarcococca ruscifolia var. chinensis 'Dragon Gate'
  • Sauromatum venosum
  • Saxifraga × urbium (11)
  • Sedum lydium
  • Sedum rupestre L.
  • Sedum spathulifolium 'Cape Blanco'
  • Sedum spurium 'Fuldaglut'
  • Sempervivum calcareum 'Mrs Giuseppi'
  • Sempervivum calcareum 'Sir William Lawrence'
  • Sempervivum tectorum 'Nigrum'
  • Sempervivum × funckii
  • Sempervivum 'Ashes of Roses'
  • Sempervivum 'Atropurpureum' ambig.
  • Sempervivum 'Bronco'
  • Sempervivum 'Green Dragon'
  • Sempervivum 'Hey-hey'
  • Sempervivum 'Hidde'
  • Sempervivum 'Mahogany'
  • Sempervivum 'Red Devil'
  • Sempervivum 'Silberkarneol' ambig.
  • Sempervivum 'Utopian'
  • Serratula tinctoria var. seoanei
  • Sesleria caerulea
  • Silene dioica 'Flore Pleno' (d)
  • Silene schafta
  • Sisyrinchium angustifolium
  • Sisyrinchium striatum
  • Skimmia japonica
  • Skimmia japonica 'Rubella' (m)
  • Skimmia japonica subsp. reevesiana
  • Skimmia laureola 'Kew Green'
  • Sollya heterophylla
  • Sorbaria sorbifolia 'Sem' (PBR)
  • Sorbus amoena
  • Spiranthes odorata 'Chadd's Ford'
  • Stachys byzantina 'Cotton Boll'
  • Stachys byzantina 'Primrose Heron'
  • Stachys byzantina 'Silver Carpet'
  • Stachys thunbergii 'Danielle'
  • Stachyurus praecox
  • Stauntonia hexaphylla
  • Stephanandra incisa 'Crispa'
  • Stewartia pseudocamellia
  • Stewartia rostrata
  • Stipa gigantea
  • Stipa tenuissima
  • Stokesia laevis
  • Stokesia laevis 'Alba'
  • Strobilanthes attenuata
  • Styrax hemsleyanus
  • Succisa pratensis
  • Symphyotrichum novae-angliae 'Andenken an Alma Pötschke'
  • Symphyotrichum novi-belgii 'Anneke'
  • Symphyotrichum novi-belgii 'Little Pink Beauty'
  • Symphyotrichum novi-belgii 'Purple Dome'
  • Symphytum ibericum
  • Tasmannia lanceolata
  • Tellima grandiflora
  • Teucrium chamaedrys L.
  • Teucrium fruticans
  • Teucrium hircanicum
  • Thalictrum delavayi
  • Thalictrum flavum subsp. glaucum
  • Thalictrum rochebruneanum
  • Tibouchina organensis
  • Tibouchina urvilleana
  • Trachelospermum asiaticum
  • Trachelospermum jasminoides
  • Trachystemon orientalis
  • Tradescantia (Andersoniana Group) 'Blue Stone'
  • Tradescantia (Andersoniana Group) 'Concord Grape'
  • Tradescantia (Andersoniana Group) 'J.C. Weguelin'
  • Tradescantia (Andersoniana Group) 'Osprey'
  • Tradescantia (Andersoniana Group) 'Rubra'
  • Tradescantia Andersoniana Group
  • Tricyrtis formosana 'Dark Beauty'
  • Tricyrtis hirta
  • Trifolium rubens
  • Trillium chloropetalum var. giganteum
  • Trillium erectum
  • Trillium grandiflorum
  • Trillium kurabayashii
  • Trillium luteum
  • Trillium pusillum
  • Trillium recurvatum
  • Trillium sessile
  • Triteleia laxa
  • Triteleia laxa 'Koningin Fabiola'
  • Triteleia 'Aquarius'
  • Tritonia disticha
  • Tritonia disticha subsp. rubrolucens
  • Tritonia laxifolia
  • Tulbaghia violacea
  • Tulbaghia violacea 'Alba'
  • Tulipa linifolia (Batalinii Group) 'Bronze Charm' (15)
  • Tulipa praestans 'Shogun' (15)
  • Tulipa 'Little Beauty' (15)
  • Uncinia uncinata
  • Uvularia grandiflora
  • Vaccinium glaucoalbum
  • Valeriana phu
  • Valeriana phu 'Aurea'
  • Vancouveria hexandra
  • Verbena bonariensis
  • Verbena hastata
  • Verbena hastata f. rosea
  • Verbena officinalis var. grandiflora 'Bampton'
  • Vernonia arkansana
  • Veronica gentianoides
  • Veronica longifolia
  • Veronica spicata
  • Veronica umbrosa 'Georgia Blue'
  • Veronica 'Ellen Mae'
  • Veronica 'Shirley Blue'
  • Vesalea floribunda
  • Viburnum betulifolium
  • Viburnum carlesii
  • Viburnum davidii
  • Viburnum farreri
  • Viburnum farreri 'Nanum'
  • Viburnum odoratissimum var. awabuki
  • Viburnum opulus
  • Viburnum plicatum f. tomentosum 'Mariesii'
  • Viburnum plicatum f. tomentosum 'Pink Beauty'
  • Viburnum sargentii 'Onondaga'
  • Viburnum tinus
  • Viburnum tinus 'Gwenllian'
  • Viburnum × bodnantense 'Charles Lamont'
  • Viburnum × bodnantense 'Dawn'
  • Viburnum × bodnantense 'Deben'
  • Viburnum × burkwoodii 'Park Farm Hybrid'
  • Viburnum 'Pragense'
  • Vinca minor 'Atropurpurea'
  • Vitex agnus-castus f. latifolia
  • Vitis coignetiae
  • Vitis vinifera 'Purpurea' (O/B)
  • Watsonia borbonica 'Peach Glow'
  • Watsonia fourcadei
  • Watsonia meriana
  • Watsonia vanderspuyae
  • Watsonia 'Dart Sea Trout'
  • Watsonia 'Tresco Dwarf Pink'
  • Weigela florida 'Alexandra' (PBR)
  • Weigela middendorffiana
  • Weigela Naomi Campbell = 'Bokrashine' (PBR)
  • Wisteria floribunda f. alba 'Shiro-noda'
  • Wisteria floribunda f. rosea 'Hon-beni'
  • Wisteria floribunda 'Kokuryu'
  • Wisteria sinensis
  • Wisteria sinensis 'Amethyst'
  • Wisteria sinensis 'Prolific'
  • Yucca gloriosa 'Variegata' (v)
  • Zantedeschia aethiopica
  • Zelkova serrata

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