Acaena saccaticupula 'Blue Haze'
Acinos corsicus
Aethionema oppositifolium
Ajuga reptans 'Braunherz'
Ajuga reptans 'Catlin's Giant'
Allium oreophilum
Anacyclus pyrethrum var. depressus
Androsace carnea ssp. brigantiaca
Androsace sarmentosa
Androsace sarmentosa 'Sherriffii'
Anemone blanda blue-flowered (Atrocaerulea)
Anemone x lesseri
Anemone multifida
Anemone nemorosa 'Robinsoniana'
Aquilegia bertolonii
Aquilegia 'Red Hobbit'
Arabis alpina ssp. caucasica 'Flore Pleno'
Arabis ferdinandi-coburgi 'Old Gold'
Armeria juniperifolia 'Alba'
Armeria juniperifolia 'Bevan's Variety'
Armeria maritima 'Laucheana'
Armeria maritima 'Rubrifolia'
Artemisia schmidtiana 'Nana'
Aruncus aethusifolius
Asperula sintenisii
Aubrieta 'Doctor Mules Variegata'
Aubrieta 'Swan Red'
Calamintha nepeta ssp. glandulosa
Campanula carpatica var. turbinata 'Foerster'
Campanula cochleariifolia
Campanula cochleariifolia var. alba
Campanula cochleariifolia 'Elizabeth Oliver'
Campanula garganica 'W.H. Paine'
Campanula x haylodgensis 'Marion Fisher'
Campanula x haylodgensis 'Plena'
Campanula rotundifolia 'Olympica'
Centaurea simplicicaulis
Cyclamen cilicium
Cyclamen coum
Cyclamen coum magenta
Cyclamen coum marble-leaved
Cyclamen coum Silver Group
Cyclamen coum 'Album'
Cyclamen coum 'Tilebarn Elizabeth'
Cyclamen hederifolium
Cyclamen hederifolium 'Silver Cloud'
Cyclamen hederifolium 'White Cloud'
Cyclamen purpurascens
Dianthus 'Allspice'
Dianthus alpinus 'Joan's Blood'
Dianthus 'Chastity'
Dianthus 'Eleanor's Old Irish'
Dianthus 'Icomb'
Dianthus 'Matthew'
Dianthus myrtinervius
Dianthus 'Waithman Beauty'
Erigeron glaucus
Erigeron karvinskianus
Erinus alpinus var. albus
Erinus alpinus 'Doktor Hähnle'
Erodium 'Caroline'
Erodium 'Fran's Delight'
Erodium 'Julie Ritchie'
Erodium x kolbianum
Erodium reichardii 'Album'
Erodium x variabile 'Bishop's Form'
Erysimum dwarf lemon
Erysimum 'Moonlight'
Euphorbia baselicis
Euphorbia myrsinites
Fritillaria meleagris
Gentiana septemfida
Gentiana verna
Geranium 'Bob's Blunder'
Geranium 'Ballerina'
Geranium 'Laurence Flatman'
Geranium cinereum 'Purple Pillow'
Geranium 'Elizabeth Ross'
Geranium 'Orkney Pink'
Geranium sanguineum 'Shepherd's Warning'
Geranium sanguineum var. striatum
Geranium sessiliflorum novae-zelandiae 'Porter's Pass'
Geranium subcaulescens
Gypsophila cerastioides
Gypsophila repens 'Rosea'
Gypsophila 'Rosy Veil' (G. Rosenschleier)
Hebe buchananii 'Fenwickii'
Hebe cupressoides 'Boughton Dome'
Hebe 'Youngii' (H. Carl Teschner)
Helianthemum 'Alice Howarth'
Helianthemum 'Beech Park Red'
Helianthemum 'Boughton Double Primrose'
Helianthemum 'Broughty Sunset'
Helianthemum 'Cerise Queen'
Helianthemum 'Cheviot'
Helianthemum 'David Ritchie'
Helianthemum 'Georgeham'
Helianthemum 'Henfield Brilliant'
Helianthemum 'Kathleen Druce'
Helianthemum 'Praecox'
Helianthemum 'Rhodanthe Carneum'
Helianthemum 'Rose of Leeswood'
Helianthemum 'The Bride'
Helianthemum 'Wisley Primrose'
Iberis sempervirens
Iberis sempervirens 'Little Gem' (I. s. Weisser Zwerg)
Ipheion 'Alberto Castillo'
Ipheion 'Jessie'
Ipheion uniflorum 'Charlotte Bishop'
Ipheion uniflorum 'Froyle Mill'
Ipheion uniflorum 'Wisley Blue'
Iris 'George'
Iris 'Katharine Hodgkin'
Iris setosa var. arctica
Jovibarba allionii
Jovibarba heuffelii 'Angel Wings'
Jovibarba heuffelii var. glabra
Lathyrus vernus
Lathyrus vernus 'Alboroseus'
Lathyrus vernus 'Caeruleus'
Leontopodium alpinum 'Mignon'
Leptinella squalida 'Platt's Black'
Leucojum autumnalis (Acis autumnalis)
Lewisia nevadensis
Limonium bellidifolium
Limonium minutum
Lithodora diffusa 'Heavenly Blue' (Lithospermum H. B.)
Lotus hirsutus
Oenothera fruticosa 'Erica Robin'
Origanum majorana 'Pagoda Bells'
Origanum vulgare 'Compactum'
Osteospermum jucundum var. compactum
Oxalis adenophylla
Penstemon hirsutus var. pygmaeus
Penstemon hirsutus var. pygmaeus albus
Penstemon pinifolius
Phlox 'Charles Ricardo'
Phlox divaricata ssp. laphamii 'Chattahoochee'
Phyteuma scheuchzeri
Platycodon grandiflorus 'Apoyama'
Platycodon grandiflorus 'Astra Blue'
Platycodon grandiflorus 'Astra Pink'
Platycodon grandiflorus 'Astra White'
Platycodon grandiflorus 'Fairy Snow'
Platycodon grandiflorus 'Pumilus'
Pratia pedunculata 'County Park'
Primula x pubescens 'Boothman's Variety'
Pterocephalus perennis
Pulsatilla vulgaris
Pulsatilla vulgaris 'Alba'
Pulsatilla vulgaris var. rubra
Rhodanthemum hosmariense
Rosmarinus officinalis 'McConnell's Blue'
Saxifraga 'Buttercup'
Saxifraga 'Clarence Elliott'
Saxifraga 'Grace Farwell'
Saxifraga 'Gregor Mendel'
Saxifraga 'Lidice'
Saxifraga 'Myra'
Saxifraga paniculata
Saxifraga 'Penelope'
Saxifraga 'Primulaize Salmon'
Saxifraga 'Robin Hood'
Saxifraga 'Southside Seedling'
Saxifraga x urbium
Saxifraga 'Whitehill'
Saxifraga 'Winifred Bevington'
Scabiosa japonica var. alpina
Scutellaria scordiifolia
Sedum 'Bertram Anderson'
Sedum hidakanum
Sedum 'Ruby Glow'
Sedum spathulifolium 'Cape Blanco'
Sedum spurium 'Schorbuser Blut' (Dragon's Blood)
Sempervivum 'Amanda'
Sempervivum arachnoideum
Sempervivum 'Blood Tip'
Sempervivum 'Blue Time'
Sempervivum calcareum
Sempervivum calcareum from Guillaumes, France
Sempervivum calcareum 'Sir William Lawrence'
Sempervivum 'Dark Cloud'
Sempervivum 'Delta'
Sempervivum 'Gay Jester'
Sempervivum 'Jungle Fires'
Sempervivum 'King George'
Sempervivum 'Kramer's Spinrad'
Sempervivum 'Mulberry Wine'
Sempervivum 'Red Devil'
Sempervivum 'Reinhard'
Sempervivum 'Rosie'
Sempervivum 'Russian River'
Silene acaulis 'Mount Snowdon'
Silene schafta
Silene schafta 'Shell Pink'
Silene uniflora 'White Bells'
Sisyrinchium 'Biscutella'
Sisyrinchium idahoense var. bellum 'Rocky Point'
Teucrium ackermannii
Teucrium x lucidrys
Teucrium subspinosum
Thymus citriodorus 'Golden King'
Thymus 'Doone Valley'
Thymus 'Hartington Silver'
Thymus 'Pink Ripple'
Thymus 'Porlock'
Thymus pseudolanuginosus
Thymus pulegioides 'Aureus' (T. citriodorus A.)
Thymus pulegioides 'Bertram Anderson'
Thymus serpyllum var. albus
Thymus serpyllum 'Coccineus'
Thymus serpyllum 'Goldstream'
Thymus serpyllum 'Minimalist'
Thymus serpyllum 'Pink Chintz'
Thymus serpyllum 'Russetings'
Tulipa clusiana var. chrysantha
Tulipa 'Little Beauty'
Tulipa turkestanica
Tulipa urumiensis
Veronica cinerea
Veronica prostrata
Veronica prostrata 'Alba'
Veronica spicata 'Heidekind'
Veronica umbrosa 'Georgia Blue'
Viola cornuta
Viola cornuta 'Alba'
Acanthus mollis 'Latifolius'
Acanthus spinosus
Achillea 'Hella Glashoff'
Achillea millefolium 'Lilac Beauty'
Achillea millefolium 'Red Velvet'
Achillea 'Salmon Beauty' (A. Lachsschönheit)
Achillea 'Walther Funcke'
Aconitum carmichaelii
Aconitum napellus
Agapanthus campanulatus var. albidus
Agapanthus Headbourne hybrids
Agapanthus 'Jack's Blue'
Agapanthus 'Loch Hope'
Agapanthus 'Navy Blue'or'Midnight Star'
Agapanthus 'Peter Pan'
Agapanthus 'Timaru'
Agapanthus 'Windsor Grey'
Ajuga reptans 'Braunherz'
Ajuga reptans 'Catlin's Giant'
Alcea x Kitaibela 'Parkallee' (A. x Althaea 'P')
Alchemilla mollis
Allium caeruleum
Allium cristophii
Allium hollandicum 'Purple Sensation'
Allium schubertii
Allium sphaerocephalon
Alstroemeria ligtu hybrids
Alstroemeria psittacina 'Royal Star'
Althaea cannabina
Amsonia hubrichtii
Amsonia illustris
Amsonia tabernaemontana
Anaphalis triplinervis
Anchusa azurea 'Feltham Pride'
Anemone blanda blue-flowered (Atrocaerulea)
Anemone hupehensis var. japonica 'Pamina'
Anemone x hybrida 'Andrea Atkinson'
Anemone x hybrida 'Géante des Blanches'
Anemone x hybrida 'Queen Charlotte'
Anemone x hybrida 'Serenade'
Anemone x hybrida 'Whirlwind'
Anemone leveillei
Anemone multifida (A. magellanica)
Anemone nemorosa 'Robinsoniana'
Anemone rivularis
Angelica gigas
Anthemis tinctoria 'E.C. Buxton'
Aquilegia fragrans
Aquilegia longissima
Aquilegia 'Red Hobbit'
Aquilegia 'Rose Queen'
Aquilegia vulgaris 'Adelaide Addison'
Aquilegia vulgaris 'Nora Barlow'
Aquilegia vulgaris 'William Guiness'
Aquilegia vulgaris Vervaeneana Group
Artemisia abrotanum
Artemisia ludoviciana var. latiloba
Artemisia pontica
Arum italicum 'Marmoratum'
Arum 'Chameleon'
Aruncus aethusifolius
Aruncus dioicus (A. sylvestris)
Asphodeline liburnica
Asphodeline lutea
Aster amellus 'King George'
Aster amellus 'Violet Queen' (A. a. Veilchenkönigin)
Aster 'Coombe Fishacre'
Aster x frikartii 'Mönch'
Aster laevis 'Calliope'
Aster lateriflorus 'Prince'
Aster 'Little Carlow'
Aster novae-angliae 'Andenken an Alma Pötschke'
Aster novae-angliae 'Barr's Violet'
Aster novae-angliae 'Harrington's Pink'
Aster novae-angliae 'Herbstschnee'
Aster novae-angliae 'James Ritchie'
Aster novae-angliae 'Lye End Beauty'
Aster novae-angliae 'Purple Dome'
Aster novae-angliae 'Sayer's Croft'
Aster novae-angliae 'Violetta'
Aster 'Pink Star'
Aster turbinellus
Astilbe 'Amethyst'
Astilbe chinensis var. pumila
Astilbe 'Deutschland'
Astilbe 'Fanal'
Astilbe 'Peach Blossom'
Astilbe 'Rheinland'
Astilboides tabularis (Rodgersia t.)
Astrantia 'Buckland'
Astrantia 'Hadspen Blood'
Astrantia major
Astrantia major ssp. involucrata 'Shaggy'
Astrantia major 'Ruby Wedding'
Astrantia major 'Sunningdale Variegated'
Astrantia maxima
Bergenia 'Abendglut' (B. Evening Glow)
Bergenia 'Bressingham White'
Bergenia 'Rosi Klose'
Brunnera macrophylla
Brunnera macrophylla 'Jack Frost'
Brunnera macrophylla 'Mr Morse'
Bupleurum longifolium
Calamintha nepeta ssp. glandulosa
Camassia leichtlinii 'Caerulea'
Camassia leichtlinii subsp. leichtlinii
Camassia leichtlinii 'Semiplena'
Campanula glomerata 'Superba'
Campanula 'Kent Belle'
Campanula lactiflora
Campanula lactiflora 'Loddon Anna'
Campanula lactiflora 'Prichard's Variety'
Campanula persicifolia
Campanula persicifolia var. alba
Campanula persicifolia 'Fleur de Neige'
Cardamine waldsteinii
Catananche caerulea
Catananche caerulea 'Bicolor'
Centaurea dealbata 'Steenbergii'
Centaurea macrocephala
Centaurea simplicicaulis
Cephalaria gigantea
Ceratostigma plumbaginoides
Ceratostigma willmottianum
Chrysanthemum 'Apollo'
Chrysanthemum 'Cottage Yellow'
Chrysanthemum 'Goldengreenheart'
Chrysanthemum 'Innocence'
Chrysanthemum 'Mrs Jessie Cooper'
Chrysanthemum 'Vagabond Prince'
Clematis heracleifolia 'China Purple'
Clematis integrifolia
Clematis recta 'Purpurea'
Colchicum agrippinum
Colchicum autumnale 'Album'
Colchicum cilicicum
Colchicum 'Waterlily'
Convallaria majalis
Coronilla valentina ssp. glauca 'Citrina'
Corydalis flexuosa 'China Blue'
Corydalis flexuosa 'Purple Leaf'
Corydalis 'Nightshade'
Corydalis 'Tory MP'
Cosmos atrosanguineus
Crambe cordifolia
Crocosmia 'Debutante'
Crocosmia 'Emberglow'
Crocosmia 'Emily McKenzie'
Crocosmia 'Honey Angels'
Crocosmia 'Lady Hamilton'
Crocosmia 'Lucifer'
Crocosmia 'Severn Sunrise'
Crocus speciosus
Cynara cardunculus
Cynara cardunculus Scolymus Group
Dahlia 'Bishop of Llandaff'
Dahlia 'Fascination'
Dahlia 'Hot Chocolate'
Dahlia 'Moonfire'
Dahlia 'Roxy'
Dahlia 'Twyning's After Eight'
Delphinium Astolat Group
Delphinium Black Knight Group
Delphinium Blue Bird Group
Delphinium Galahad Group
Delphinium Summer Skies Group
Dianthus 'Allspice'
Dianthus 'Eleanor's Old Irish'
Dianthus 'Ethel Hurford'
Dianthus 'Fimbriatus'
Dianthus 'Inchmery'
Dianthus 'Robin Ritchie'
Dianthus 'Rose de Mai'
Dianthus 'Waithman Beauty'
Dianthus 'Whatfield Joy'
Dicentra 'King of Hearts'
Dicentra spectabilis
Dicentra spectabilis 'Alba'
Dictamnus albus
Dictamnus albus var. purpureus
Dierama dracomontanum
Dierama 'Guinevere'
Dierama pulcherrimum 'Merlin'
Dierama pulcherrimum
Dierama reynoldsii
Digitalis grandiflora
Digitalis x mertonensis
Dodecatheon meadia
Dodecatheon pulchellum 'Red Wings'
Echinacea purpurea 'Rubinstern'
Echinacea purpurea 'White Swan'
Echinops ritro
Echinops ritro 'Veitch's Blue'
Epimedium davidii
Epimedium 'Enchantress'
Epimedium franchetii 'Brimstone Butterfly'
Epimedium grandiflorum 'Crimson Beauty'
Epimedium perralderianum
Epimedium pinnatum subsp. colchicum
Epimedium x rubrum
Epimedium x versicolor 'Sulphureum'
Epimedium x warleyense
Epimedium x youngianum 'Niveum'
Erigeron glaucus
Erodium manescavii
Eryngium alpinum 'Blue Star'
Eryngium bourgatii Graham Stuart Thomas's selection
Eryngium bourgatii 'Picos Strain'
Eryngium giganteum
Eryngium x oliverianum
Eryngium planum
Eryngium variifolium
Eryngium yuccifolium
Eryngium x zabelii 'Violetta'
Erysimum 'Apricot Twist'
Erysimum 'Bowles' Mauve'
Erysimum 'Bredon'
Erysimum 'Butterscotch'
Erysimum 'Mrs L. K. Elmhirst'
Eupatorium maculatum 'Gateway'
Eupatorium rugosum 'Chocolate'
Euphorbia baselicis
Euphorbia characias 'Blue Wonder'
Euphorbia characias ssp. wulfenii
Euphorbia griffithii 'Dixter'
Euphorbia x martinii
Euphorbia myrsinites
Euphorbia palustris
Euphorbia rigida
Euphorbia schillingii
Euphorbia sikkimensis
Filipendula 'Kahome'
Filipendula rubra 'Venusta'
Filipendula ulmaria 'Variegata'
Foeniculum vulgare 'Purpureum'
Fuchsia magellanica 'Versicolor'
Galanthus magellanica 'Atkinsii'
Galanthus elwesii
Galanthus ikariae
Galanthus 'James Backhouse'
Galanthus 'Magnet'
Galanthus nivalis
Galanthus nivalis 'Flore Pleno'
Galanthus nivalis 'Viridapice'
Galanthus 'Ophelia'
Galanthus plicatus
Galanthus 'S. Arnott'
Galega x hartlandii 'Alba'
Galega x hartlandii 'Lady Wilson'
Galega 'His Majesty'
Galtonia candicans
Gaura lindheimeri
Gentiana asclepiadea
Geranium 'Ann Folkard'
Geranium 'Blue Cloud'
Geranium 'Brookside'
Geranium x cantabrigiense 'Karmina'
Geranium x cantabrigiense 'St Ola'
Geranium clarkei 'Kashmir Pink'
Geranium clarkei 'Kashmir Purple'
Geranium clarkei 'Kashmir White'
Geranium 'Coombland White'
Geranium 'Dusky Crûg'
Geranium 'Elizabeth Ross'
Geranium himalayense 'Plenum' (G. Birch Double)
Geranium 'Johnson's Blue'
Geranium macrorrhizum 'Album'
Geranium macrorrhizum 'Bevan's Variety'
Geranium macrorrhizum 'Ingwersen's Variety'
Geranium 'Mavis Simpson'
Geranium 'Nimbus'
Geranium nodosum
Geranium nodosum 'Julie's Velvet'
Geranium 'Orion'
Geranium 'Orkney Pink'
Geranium x oxonianum f. thurstonianum
Geranium x oxonianum 'Walter's Gift'
Geranium 'Patricia'
Geranium phaeum 'Lily Lovell'
Geranium phaeum 'Samobor'
Geranium pratense 'Janet's Special'
Geranium pratense 'Mrs Kendall Clark'
Geranium pratense 'Plenum Violaceum'
Geranium pratense 'Striatum'
Geranium psilostemon (G. armenum)
Geranium pyrenaicum 'Bill Wallis'
Geranium x riversleaianum 'Russell Prichard'
Geranium 'Rozanne'
Geranium sanguineum
Geranium sanguineum 'Album'
Geranium sanguineum 'Shepherd's Warning'
Geranium sanguineum var. striatum
Geranium sylvaticum 'Album
Geranium 'Tinpenny Mauve'
Geranium wallichianum 'Buxton's Variety'
Geum 'Bell Bank'
Geum 'Coppertone'
Geum 'Georgenburg'
Geum 'Herterton Primrose'
Geum 'Hilltop Beacon'
Geum x intermedium 'Diane'
Geum 'Mrs J. Bradshaw'
Geum rivale 'Leonard's Variety'
Gillenia trifoliata
Gladiolus communis ssp. byzantinus
Gladiolus murielae
Gladiolus papilio
Gypsophila 'Rosy Veil' (G. Rosenschleier)
Hebe hulkeana
Helenium 'Indianersommer'
Helenium 'Moerheim Beauty'
Helenium 'Riverton Beauty'
Helenium 'Riverton Gem'
Helenium 'Rubinzwerg'
Helenium 'Sahin's Early Flowerer'
Helenium 'Wyndley'
Helianthus 'Miss Mellish'
Helianthus 'Lemon Queen'
Heliopsis helianthoides 'Asahi'
Helleborus x ericsmithii
Helleborus foetidus 'Wester Flisk '
Helleborus x hybridus (H. orientalis)
Helleborus x hybridus 'Picotee'
Hemerocallis 'Cranberry Baby'
Hemerocallis 'Double River Wye'
Hemerocallis 'El Desperado'
Hemerocallis fulva 'Variegated Kwanso'
Hemerocallis 'Golden Chimes'
Hemerocallis 'Indian Chief'
Hemerocallis lilioasphodelus (H. flava)
Hemerocallis 'Little Missy'
Hemerocallis 'Pandora's Box'
Hemerocallis 'Penny's Worth'
Hemerocallis 'Rosy Returns'
Hemerocallis 'Siloam Baby Talk'
Hemerocallis 'Siloam Ury Winniford'
Hemerocallis 'Stafford'
Hemerocallis 'Stella de Oro'
Hemerocallis 'Strawberry Candy'
Hemerocallis 'Strutter's Ball'
Hemerocallis 'Summer Wine'
Hemerocallis 'White Temptation'
Hepatica nobilis
Heuchera 'Chocolate Ruffles'
Heuchera 'Licorice'
Heuchera 'Plum Pudding'
Heuchera 'Rave On'
Heuchera 'Silver Scrolls'
Heuchera 'Venus'
Hosta 'Blue Belle'
Hosta 'El Nino'
Hosta fortunei var. albopicta
Hosta 'Francee'
Hosta 'Frances Williams'
Hosta 'Halcyon'
Hosta 'June'
Hosta 'Krossa Regal'
Hosta 'Night before Christmas'
Hosta 'Royal Standard'
Hosta Sagae'
Hosta sieboldiana var. elegans
Hosta 'Spilt Milk'
Hosta 'Striptease'
Hosta 'Sum and Substance'
Hosta tokudama f. flavocircinalis
Hosta 'Wide Brim'
Hypericum olympicum 'Citrinum'
Inula magnifica
Iris - Gingerbread Man
Iris - Langport Storm
Iris chrysographes black-flowered
Iris sibirica
Iris sibirica 'Butter and Sugar'
Iris sibirica 'Memphis Memory'
Iris sibirica 'Ruffled Velvet'
Iris sibirica 'Silver Edge'
Iris sibirica 'White Swirl'
Knautia macedonica
Knautia macedonica 'Mars Midget'
Kniphofia 'Bees' Jubilee'
Kniphofia 'Brimstone'
Kniphofia caulescens
Kniphofia 'Nancy's Red'
Kniphofia 'Percy's Pride'
Kniphofia rooperi
Kniphofia 'Sunningdale Yellow'
Kniphofia 'Tawny King'
Kniphofia 'Timothy'
Lamium galeobdolon 'Hermann's Pride'
Lathyrus rotundifolius
Lathyrus vernus
Lathyrus vernus 'Alboroseus'
Lathyrus vernus 'Caeruleus'
Lavandula angustifolia 'Ashdown Forest'
Lavandula angustifolia 'Folgate'
Lavandula angustifolia 'Hidcote'
Lavandula angustifolia 'Imperial Gem'
Lavandula angustifolia 'Loddon Blue'
Lavandula angustifolia 'Nana Alba'
Lavandula 'Avonview'
Lavandula x intermedia 'Old English'
Leucanthemum x superbum 'Droitwich Beauty'
Leucanthemum x superbum 'Fiona Coghill'
Leucanthemum x superbum 'Goldrush'
Leucanthemum x superbum 'Sonnenschein'
Leucojum aestivum 'Gravetye Giant'
Leucojum autumnalis (Acis autumnalis)
Leucojum autumnalis vernum
Libertia peregrinans 'Gold Leaf'
Ligularia dentata 'Desdemona'
Ligularia przewalskii (Senecio p.)
Ligularia 'The Rocket'
Limonium platyphyllum (L. latifolium)
Limonium platyphyllum 'Violetta'
Liriope 'Majestic'
Liriope muscari
Liriope muscari 'Christmas Tree'
Liriope muscari 'Ingwersen'
Liriope muscari 'Webster Wideleaf'
Lobelia siphilitica
Lobelia siphilitica 'Alba'
Lobelia x speciosa 'Vedrariensis'
Lotus hirsutus
Lysimachia ciliata 'Firecracker'
Lysimachia ephemerum
Lythrum salicaria 'Blush'
Lythrum salicaria 'Robert'
Macleaya x kewensis
Malvastrum lateritium
Morina longifolia
Morina persica
Nectaroscordum siculum (Allium s.)
Nepeta Blue dwarf
Nepeta racemosa 'Walker's Low'
Nepeta 'Six Hills Giant'
Nepeta tuberosa
Nerine bowdenii
Nerine bowdenii 'Pink Triumph'
Nerine 'Stephanie'
Oenothera fruticosa 'Erica Robin'
Oenothera macrocarpa (O. missouriensis)
Omphalodes cappadocica 'Cherry Ingram'
Omphalodes cappadocica 'Starry Eyes'
Ophiopogon planiscapus 'Nigrescens'
Origanum laevigatum 'Hopleys'
Origanum scabrum 'Newleaze'
Origanum vulgare 'Compactum'
Osteospermum jucundum var. compactum
Paeonia delavayi f. lutea
Paeonia lactiflora 'Bowl of Beauty'
Paeonia lactiflora 'Doctor Alexander Fleming'
Paeonia lactiflora 'Duchesse de Nemours'
Paeonia lactiflora 'Festiva Maxima'
Paeonia lactiflora 'Jacorma'
Paeonia 'Karl Rosenfield'
Paeonia lactiflora 'Monsieur Jules Elie'
Paeonia lactiflora 'Sarah Bernhardt'
Paeonia mlokosewitschii
Paeonia veitchii var. woodwardii
Papaver 'Alpha Centauri' (Super Poppy Series)
Papaver 'Jacinth' (Super Poppy Series)
Papaver 'Medallion' (Super Poppy Series)
Papaver orientale 'Aglaja'
Papaver orientale 'Beauty of Livermere'
Papaver orientale 'Cedric Morris'
Papaver orientale 'Curlilocks'
Papaver orientale'Forncett Summer'
Papaver orientale 'Karine'
Papaver orientale 'Patty's Plum'
Papaver orientale 'Raspberry Queen'
Papaver orientale 'Snow Goose'
Papaver orientale 'Türkenlouis'
Papaver orientale 'Watermelon'
Papaver 'Shasta' (Super Poppy Series)
Paradisea lusitanica
Patrinia scabiosifolia
Penstemon 'Alice Hindley'
Penstemon 'Blackbird'
Penstemon 'Bodnant'
Penstemon 'Firebird' (P. Schoenholzeri)
Penstemon 'Flamingo'
Penstemon 'Garnet' (P. Andenken an Friedrich Hahn)
Penstemon 'Hewell Pink Bedder'
Penstemon 'Hidcote Pink'
Penstemon 'Hidcote Purple'
Penstemon 'Osprey'
Penstemon 'Pensham Freshwater Pearl'
Penstemon 'Pensham Victoria Plum'
Penstemon 'Sour Grapes'
Penstemon Stapleford Gem'
Perovskia 'Blue Spire'
Persicaria affinis 'Superba'
Persicaria amplexicaulis 'Blush Clent'
Persicaria amplexicaulis 'Firetail'
Persicaria bistorta 'Superba'
Phlomis russeliana
Phlomis tuberosa
Phlox carolina 'Bill Baker'
Phlox 'Charles Ricardo'
Phlox paniculata 'Alba Grandiflora'
Phlox paniculata 'David'
Phlox paniculata 'Laura'
Phlox paniculata 'Miss Elie'
Phlox paniculata 'Miss Kelly'
Phlox paniculata 'Monica Lynden-Bell'
Phlox paniculata 'Nicky' (P. Duesterlohe)
Phormium 'Bronze Baby'
Phormium tenax 'Variegatum'
Phygelius aequalis 'Trewidden Pink'
Phygelius aequalis 'Yellow Trumpet'
Phygelius x rectus 'Salmon Leap'
Physostegia virginiana 'Variegata'
Physostegia virginiana 'Vivid'
Platycodon grandiflorus
Platycodon grandiflorus 'Blue Pearl'
Platycodon grandiflorus 'Hakone'
Platycodon grandiflorus 'Hakone White'
Platycodon grandiflorus 'Mariesii'
Platycodon grandiflorus 'Perlmutterschale'
Polemonium 'Lambrook Mauve'
Polygonatum x hybridum (P. multiflorum)
Polygonatum x hybridum 'Striatum'
Polygonatum odoratum 'Flore Pleno'
Polygonatum ' odoratum var. pluriflorum 'Variegatum'
Polystichum setiferum Divisilobum
Polystichum setiferum 'Plumosomultilobum'
Potentilla 'Monsieur Rouillard'
Potentilla nepalensis 'Ron McBeath'
Potentilla recta var. sulphurea (P. r. 'Pallida')
Primula bulleyana
Primula florindae
Primula 'Guinevere'
Primula japonica 'Apple Blossom'
Primula japonica 'Miller's Crimson'
Primula sikkimensis
Primula vialii
Primula wilsonii
Pulmonaria 'Blue Ensign'
Pulmonaria officinalis 'Blue Mist' (P. Blue Moon)
Pulmonaria 'Diana Clare'
Pulmonaria 'Lewis Palmer'
Pulmonaria 'Opal'
Pulmonaria saccharata 'Dora Bielefeld'
Pulmonaria saccharata 'Leopard'
Pulmonaria 'Sissinghurst White'
Rheum australe (R. emodi)
Rheum palmatum var. tanguticum
Rodgersia pinnata
Rosmarinus officinalis 'McConnell's Blue'
Rudbeckia fulgida var. deamii
Rudbeckia fulgida 'Goldsturm'
Rudbeckia laciniata 'Herbstsonne'
Rudbeckia laciniata 'Hortensia'
Salvia 'Christine Yeo'
Salvia forsskaolii
Salvia x jamensis 'Moonlight Serenade'
Salvia x jamensis 'Raspberry Royale'
Salvia lavandulifolia
Salvia microphylla 'Kew Red'
Salvia '../Data /SALVIA%20NEMOROSA%20CARADONNA.htm'
Salvia nemorosa 'East Friesland' (S. Ostfriesland)
Salvia officinalis 'Purpurascens'
Salvia patens
Salvia patens 'Cambridge Blue'
Salvia patens 'Guanajuato'
Salvia x superba
Salvia x sylvestris 'May Night' (S. Mainacht)
Salvia verticillata 'Purple Rain'
Sanguisorba menziesii
Sanguisorba 'Tanna'
Santolina pinnata 'Edward Bowles'
Santolina rosmarinifolia (S. virens)
Saxifraga x urbium
Scabiosa caucasica
Scabiosa caucasica var. alba
Scabiosa atropurpurea 'Chile Black'
Scabiosa columbaria ssp. ochroleuca
Schizostylis coccinea 'Anne'
Schizostylis coccinea 'Elburton Glow'
Schizostylis coccinea 'Fenland Daybreak'
Schizostylis coccinea 'Major'
Schizostylis coccinea 'Mrs Hegarty'
Schizostylis coccinea 'Red Dragon'
Schizostylis coccinea 'Sunrise'
Scilla peruviana
Sedum 'Abbeydore'
Sedum 'Carl'
Sedum 'Purple Emperor'
Sedum telephium 'Matrona'
Seseli hippomarathrum
Silene dioica 'Flore Pleno'
Solidago rugosa 'Fireworks'
Stachys byzantina ' Big Ears'
Stachys byzantina 'Silver Carpet'
Succisa pratensis
Symphytum 'Goldsmith'
Telekia speciosa
Tellima grandiflora 'Rubra'
Teucrium x lucidrys
Teucrium scorodonia 'Crispum'
Thalictrum aquilegiifolium 'Purpureum'
Thalictrum delavayi (T. dipterocarpum)
Thalictrum delavayi 'Album'
Thalictrum delavayi 'Hewitt's Double'
Thalictrum flavum ssp. glaucum
Thalictrum rochebruneanum
Thermopsis villosa (T. caroliniana)
Tiarella cordifolia
Tolmiea menziesii 'Taff's Gold'
Tradescantia 'Bilberry Ice'
Tradescantia 'Blue Stone'
Tradescantia 'Carmine Glow' (T. Karminglut)
Tradescantia 'Concord Grape'
Tradescantia 'Osprey'
Tradescantia 'Pauline'
Trollius europaeus
Tulbaghia natalensis
Tulbaghia violacea
Tulbaghia violacea 'Alba'
Verbascum adzharicum
Verbascum 'Caribbean Crush'
Verbascum chaixii 'Album'
Verbena bonariensis
Verbena 'Diamond Merci'
Verbena 'La France'
Veronica gentianoides 'Variegata'
Veronica longifolia 'Oxford Blue'
Veronica 'Pink Damask'
Veronica spicata 'Heidekind'
Veronicastrum virginicum 'Fascination'
Vinca minor 'Alba Variegata'
Vinca minor 'Azurea Flore Pleno'
Vinca minor 'Illumination'
Waldsteinia ternata
Zauschneria californica 'Dublin'
Zauschneria californica 'Olbrich Silver'
Asplenium scolopendrium Cristatum
Asplenium scolopendrium Muricatum
Asplenium trichomanes
Athyrium niponicum var. pictum
Dryopteris erythrosorus
Matteuccia struthiopteris
Polystichum munitum
Polystichum setiferum Divisilobum
Polystichum setiferum Plumosomultilobum
Calamagrostis x acutiflora 'Overdam'
Carex elata 'Aurea'
Carex oshimensis 'Evergold'
Carex testacea
Hakonechloa macra 'Aureola'
Luzula nivea
Luzula sylvatica 'Marginata'
Miscanthus nepalensis
Miscanthus sinensis 'Flamingo'
Miscanthus sinensis 'Malepartus'
Miscanthus sinensis 'Morning Light'
Miscanthus sinensis 'Rotsilber'
Molinia caerulea arundinacea 'Transparent'
Molinia caerulea 'Variegata'
Panicum virgatum Shenandoah
Pennisetum orientale
Pennisetum villosum
Stipa arundinacea (Anemanthele lessoniana)
Stipa gigantea
Stipa tenuissima
Acaena inermis 'Purpurea'
Acaena saccaticupula 'Blue Haze'
Acinos corsicus
Aethionema oppositifolium
Ajuga reptans 'Braunherz'
Ajuga reptans 'Catlin's Giant'
Allium oreophilum
Anacyclus pyrethrum var. depressus
Androsace carnea ssp. brigantiaca
Androsace sarmentosa
Androsace sarmentosa 'Sherriffii'
Anemone blanda blue-flowered (Atrocaerulea)
Anemone x lesseri
Anemone multifida
Anemone nemorosa 'Robinsoniana'
Aquilegia bertolonii
Aquilegia 'Red Hobbit'
Arabis alpina ssp. caucasica 'Flore Pleno'
Arabis ferdinandi-coburgi 'Old Gold'
Armeria juniperifolia 'Alba'
Armeria juniperifolia 'Bevan's Variety'
Armeria maritima 'Laucheana'
Armeria maritima 'Rubrifolia'
Artemisia schmidtiana 'Nana'
Aruncus aethusifolius
Asperula sintenisii
Aubrieta 'Doctor Mules Variegata'
Aubrieta 'Swan Red'
Calamintha nepeta ssp. glandulosa
Campanula carpatica var. turbinata 'Foerster'
Campanula cochleariifolia
Campanula cochleariifolia var. alba
Campanula cochleariifolia 'Elizabeth Oliver'
Campanula garganica 'W.H. Paine'
Campanula x haylodgensis 'Marion Fisher'
Campanula x haylodgensis 'Plena'
Campanula rotundifolia 'Olympica'
Centaurea simplicicaulis
Cyclamen cilicium
Cyclamen coum
Cyclamen coum magenta
Cyclamen coum marble-leaved
Cyclamen coum Silver Group
Cyclamen coum 'Album'
Cyclamen coum 'Tilebarn Elizabeth'
Cyclamen hederifolium
Cyclamen hederifolium 'Silver Cloud'
Cyclamen hederifolium 'White Cloud'
Cyclamen purpurascens
Dianthus 'Allspice'
Dianthus alpinus 'Joan's Blood'
Dianthus 'Chastity'
Dianthus 'Eleanor's Old Irish'
Dianthus 'Icomb'
Dianthus 'Matthew'
Dianthus myrtinervius
Dianthus 'Waithman Beauty'
Erigeron glaucus
Erigeron karvinskianus
Erinus alpinus var. albus
Erinus alpinus 'Doktor Hähnle'
Erodium 'Caroline'
Erodium 'Fran's Delight'
Erodium 'Julie Ritchie'
Erodium x kolbianum
Erodium reichardii 'Album'
Erodium x variabile 'Bishop's Form'
Erysimum dwarf lemon
Erysimum 'Moonlight'
Euphorbia baselicis
Euphorbia myrsinites
Fritillaria meleagris
Gentiana septemfida
Gentiana verna
Geranium 'Bob's Blunder'
Geranium 'Ballerina'
Geranium 'Laurence Flatman'
Geranium cinereum 'Purple Pillow'
Geranium 'Elizabeth Ross'
Geranium 'Orkney Pink'
Geranium sanguineum 'Shepherd's Warning'
Geranium sanguineum var. striatum
Geranium sessiliflorum novae-zelandiae 'Porter's Pass'
Geranium subcaulescens
Gypsophila cerastioides
Gypsophila repens 'Rosea'
Gypsophila 'Rosy Veil' (G. Rosenschleier)
Hebe buchananii 'Fenwickii'
Hebe cupressoides 'Boughton Dome'
Hebe 'Youngii' (H. Carl Teschner)
Helianthemum 'Alice Howarth'
Helianthemum 'Beech Park Red'
Helianthemum 'Boughton Double Primrose'
Helianthemum 'Broughty Sunset'
Helianthemum 'Cerise Queen'
Helianthemum 'Cheviot'
Helianthemum 'David Ritchie'
Helianthemum 'Georgeham'
Helianthemum 'Henfield Brilliant'
Helianthemum 'Kathleen Druce'
Helianthemum 'Praecox'
Helianthemum 'Rhodanthe Carneum'
Helianthemum 'Rose of Leeswood'
Helianthemum 'The Bride'
Helianthemum 'Wisley Primrose'
Iberis sempervirens
Iberis sempervirens 'Little Gem' (I. s. Weisser Zwerg)
Ipheion 'Alberto Castillo'
Ipheion 'Jessie'
Ipheion uniflorum 'Charlotte Bishop'
Ipheion uniflorum 'Froyle Mill'
Ipheion uniflorum 'Wisley Blue'
Iris 'George'
Iris 'Katharine Hodgkin'
Iris setosa var. arctica
Jovibarba allionii
Jovibarba heuffelii 'Angel Wings'
Jovibarba heuffelii var. glabra
Lathyrus vernus
Lathyrus vernus 'Alboroseus'
Lathyrus vernus 'Caeruleus'
Leontopodium alpinum 'Mignon'
Leptinella squalida 'Platt's Black'
Leucojum autumnalis (Acis autumnalis)
Lewisia nevadensis
Limonium bellidifolium
Limonium minutum
Lithodora diffusa 'Heavenly Blue' (Lithospermum H. B.)
Lotus hirsutus
Oenothera fruticosa 'Erica Robin'
Origanum majorana 'Pagoda Bells'
Origanum vulgare 'Compactum'
Osteospermum jucundum var. compactum
Oxalis adenophylla
Penstemon hirsutus var. pygmaeus
Penstemon hirsutus var. pygmaeus albus
Penstemon pinifolius
Phlox 'Charles Ricardo'
Phlox divaricata ssp. laphamii 'Chattahoochee'
Phyteuma scheuchzeri
Platycodon grandiflorus 'Apoyama'
Platycodon grandiflorus 'Astra Blue'
Platycodon grandiflorus 'Astra Pink'
Platycodon grandiflorus 'Astra White'
Platycodon grandiflorus 'Fairy Snow'
Platycodon grandiflorus 'Pumilus'
Pratia pedunculata 'County Park'
Primula x pubescens 'Boothman's Variety'
Pterocephalus perennis
Pulsatilla vulgaris
Pulsatilla vulgaris 'Alba'
Pulsatilla vulgaris var. rubra
Rhodanthemum hosmariense
Rosmarinus officinalis 'McConnell's Blue'
Saxifraga 'Buttercup'
Saxifraga 'Clarence Elliott'
Saxifraga 'Grace Farwell'
Saxifraga 'Gregor Mendel'
Saxifraga 'Lidice'
Saxifraga 'Myra'
Saxifraga paniculata
Saxifraga 'Penelope'
Saxifraga 'Primulaize Salmon'
Saxifraga 'Robin Hood'
Saxifraga 'Southside Seedling'
Saxifraga x urbium
Saxifraga 'Whitehill'
Saxifraga 'Winifred Bevington'
Scabiosa japonica var. alpina
Scutellaria scordiifolia
Sedum 'Bertram Anderson'
Sedum hidakanum
Sedum 'Ruby Glow'
Sedum spathulifolium 'Cape Blanco'
Sedum spurium 'Schorbuser Blut' (Dragon's Blood)
Sempervivum 'Amanda'
Sempervivum arachnoideum
Sempervivum 'Blood Tip'
Sempervivum 'Blue Time'
Sempervivum calcareum
Sempervivum calcareum from Guillaumes, France
Sempervivum calcareum 'Sir William Lawrence'
Sempervivum 'Dark Cloud'
Sempervivum 'Delta'
Sempervivum 'Gay Jester'
Sempervivum 'Jungle Fires'
Sempervivum 'King George'
Sempervivum 'Kramer's Spinrad'
Sempervivum 'Mulberry Wine'
Sempervivum 'Red Devil'
Sempervivum 'Reinhard'
Sempervivum 'Rosie'
Sempervivum 'Russian River'
Silene acaulis 'Mount Snowdon'
Silene schafta
Silene schafta 'Shell Pink'
Silene uniflora 'White Bells'
Sisyrinchium 'Biscutella'
Sisyrinchium idahoense var. bellum 'Rocky Point'
Teucrium ackermannii
Teucrium x lucidrys
Teucrium subspinosum
Thymus citriodorus 'Golden King'
Thymus 'Doone Valley'
Thymus 'Hartington Silver'
Thymus 'Pink Ripple'
Thymus 'Porlock'
Thymus pseudolanuginosus
Thymus pulegioides 'Aureus' (T. citriodorus A.)
Thymus pulegioides 'Bertram Anderson'
Thymus serpyllum var. albus
Thymus serpyllum 'Coccineus'
Thymus serpyllum 'Goldstream'
Thymus serpyllum 'Minimalist'
Thymus serpyllum 'Pink Chintz'
Thymus serpyllum 'Russetings'
Tulipa clusiana var. chrysantha
Tulipa 'Little Beauty'
Tulipa turkestanica
Tulipa urumiensis
Veronica cinerea
Veronica prostrata
Veronica prostrata 'Alba'
Veronica spicata 'Heidekind'
Veronica umbrosa 'Georgia Blue'
Viola cornuta
Viola cornuta 'Alba'
Acanthus mollis 'Latifolius'
Acanthus spinosus
Achillea 'Hella Glashoff'
Achillea millefolium 'Lilac Beauty'
Achillea millefolium 'Red Velvet'
Achillea 'Salmon Beauty' (A. Lachsschönheit)
Achillea 'Walther Funcke'
Aconitum carmichaelii
Aconitum napellus
Agapanthus campanulatus var. albidus
Agapanthus Headbourne hybrids
Agapanthus 'Jack's Blue'
Agapanthus 'Loch Hope'
Agapanthus 'Navy Blue'or'Midnight Star'
Agapanthus 'Peter Pan'
Agapanthus 'Timaru'
Agapanthus 'Windsor Grey'
Ajuga reptans 'Braunherz'
Ajuga reptans 'Catlin's Giant'
Alcea x Kitaibela 'Parkallee' (A. x Althaea 'P')
Alchemilla mollis
Allium caeruleum
Allium cristophii
Allium hollandicum 'Purple Sensation'
Allium schubertii
Allium sphaerocephalon
Alstroemeria ligtu hybrids
Alstroemeria psittacina 'Royal Star'
Althaea cannabina
Amsonia hubrichtii
Amsonia illustris
Amsonia tabernaemontana
Anaphalis triplinervis
Anchusa azurea 'Feltham Pride'
Anemone blanda blue-flowered (Atrocaerulea)
Anemone hupehensis var. japonica 'Pamina'
Anemone x hybrida 'Andrea Atkinson'
Anemone x hybrida 'Géante des Blanches'
Anemone x hybrida 'Queen Charlotte'
Anemone x hybrida 'Serenade'
Anemone x hybrida 'Whirlwind'
Anemone leveillei
Anemone multifida (A. magellanica)
Anemone nemorosa 'Robinsoniana'
Anemone rivularis
Angelica gigas
Anthemis tinctoria 'E.C. Buxton'
Aquilegia fragrans
Aquilegia longissima
Aquilegia 'Red Hobbit'
Aquilegia 'Rose Queen'
Aquilegia vulgaris 'Adelaide Addison'
Aquilegia vulgaris 'Nora Barlow'
Aquilegia vulgaris 'William Guiness'
Aquilegia vulgaris Vervaeneana Group
Artemisia abrotanum
Artemisia ludoviciana var. latiloba
Artemisia pontica
Arum italicum 'Marmoratum'
Arum 'Chameleon'
Aruncus aethusifolius
Aruncus dioicus (A. sylvestris)
Asphodeline liburnica
Asphodeline lutea
Aster amellus 'King George'
Aster amellus 'Violet Queen' (A. a. Veilchenkönigin)
Aster 'Coombe Fishacre'
Aster x frikartii 'Mönch'
Aster laevis 'Calliope'
Aster lateriflorus 'Prince'
Aster 'Little Carlow'
Aster novae-angliae 'Andenken an Alma Pötschke'
Aster novae-angliae 'Barr's Violet'
Aster novae-angliae 'Harrington's Pink'
Aster novae-angliae 'Herbstschnee'
Aster novae-angliae 'James Ritchie'
Aster novae-angliae 'Lye End Beauty'
Aster novae-angliae 'Purple Dome'
Aster novae-angliae 'Sayer's Croft'
Aster novae-angliae 'Violetta'
Aster 'Pink Star'
Aster turbinellus
Astilbe 'Amethyst'
Astilbe chinensis var. pumila
Astilbe 'Deutschland'
Astilbe 'Fanal'
Astilbe 'Peach Blossom'
Astilbe 'Rheinland'
Astilboides tabularis (Rodgersia t.)
Astrantia 'Buckland'
Astrantia 'Hadspen Blood'
Astrantia major
Astrantia major ssp. involucrata 'Shaggy'
Astrantia major 'Ruby Wedding'
Astrantia major 'Sunningdale Variegated'
Astrantia maxima
Bergenia 'Abendglut' (B. Evening Glow)
Bergenia 'Bressingham White'
Bergenia 'Rosi Klose'
Brunnera macrophylla
Brunnera macrophylla 'Jack Frost'
Brunnera macrophylla 'Mr Morse'
Bupleurum longifolium
Calamintha nepeta ssp. glandulosa
Camassia leichtlinii 'Caerulea'
Camassia leichtlinii subsp. leichtlinii
Camassia leichtlinii 'Semiplena'
Campanula glomerata 'Superba'
Campanula 'Kent Belle'
Campanula lactiflora
Campanula lactiflora 'Loddon Anna'
Campanula lactiflora 'Prichard's Variety'
Campanula persicifolia
Campanula persicifolia var. alba
Campanula persicifolia 'Fleur de Neige'
Cardamine pratensis 'Diane's Petticoat'
Cardamine waldsteinii
Catananche caerulea
Catananche caerulea 'Bicolor'
Centaurea dealbata 'Steenbergii'
Centaurea macrocephala
Centaurea simplicicaulis
Cephalaria gigantea
Ceratostigma plumbaginoides
Ceratostigma willmottianum
Chrysanthemum 'Apollo'
Chrysanthemum 'Cottage Yellow'
Chrysanthemum 'Goldengreenheart'
Chrysanthemum 'Innocence'
Chrysanthemum 'Mrs Jessie Cooper'
Chrysanthemum 'Vagabond Prince'
Clematis heracleifolia 'China Purple'
Clematis integrifolia
Clematis recta 'Purpurea'
Colchicum agrippinum
Colchicum autumnale 'Album'
Colchicum cilicicum
Colchicum 'Waterlily'
Convallaria majalis
Coronilla valentina ssp. glauca 'Citrina'
Corydalis flexuosa 'China Blue'
Corydalis flexuosa 'Purple Leaf'
Corydalis 'Nightshade'
Corydalis 'Tory MP'
Cosmos atrosanguineus
Crambe cordifolia
Crocosmia 'Debutante'
Crocosmia 'Emberglow'
Crocosmia 'Emily McKenzie'
Crocosmia 'Honey Angels'
Crocosmia 'Lady Hamilton'
Crocosmia 'Lucifer'
Crocosmia 'Severn Sunrise'
Crocus speciosus
Cynara cardunculus
Cynara cardunculus Scolymus Group
Dahlia 'Bishop of Llandaff'
Dahlia 'Fascination'
Dahlia 'Hot Chocolate'
Dahlia 'Moonfire'
Dahlia 'Roxy'
Dahlia 'Twyning's After Eight'
Delphinium Astolat Group
Delphinium Black Knight Group
Delphinium Blue Bird Group
Delphinium Galahad Group
Delphinium Summer Skies Group
Dianthus 'Allspice'
Dianthus 'Eleanor's Old Irish'
Dianthus 'Ethel Hurford'
Dianthus 'Fimbriatus'
Dianthus 'Inchmery'
Dianthus 'Robin Ritchie'
Dianthus 'Rose de Mai'
Dianthus 'Waithman Beauty'
Dianthus 'Whatfield Joy'
Dicentra 'King of Hearts'
Dicentra spectabilis
Dicentra spectabilis 'Alba'
Dictamnus albus
Dictamnus albus var. purpureus
Dierama dracomontanum
Dierama 'Guinevere'
Dierama pulcherrimum 'Merlin'
Dierama pulcherrimum
Dierama reynoldsii
Digitalis grandiflora
Digitalis x mertonensis
Dodecatheon meadia
Dodecatheon pulchellum 'Red Wings'
Echinacea purpurea 'Rubinstern'
Echinacea purpurea 'White Swan'
Echinops ritro
Echinops ritro 'Veitch's Blue'
Epimedium davidii
Epimedium 'Enchantress'
Epimedium franchetii 'Brimstone Butterfly'
Epimedium grandiflorum 'Crimson Beauty'
>Epimedium perralderianum
>Epimedium pinnatum subsp. colchicum
Epimedium x rubrum
Epimedium x versicolor 'Sulphureum'
Epimedium x warleyense
Epimedium x youngianum 'Niveum'
Erigeron glaucus
Erodium manescavii
Eryngium alpinum 'Blue Star'
Eryngium bourgatii Graham Stuart Thomas's selection
Eryngium bourgatii 'Picos Strain'
Eryngium giganteum
Eryngium x oliverianum
Eryngium planum
Eryngium variifolium
Eryngium yuccifolium
Eryngium x zabelii 'Violetta'
Erysimum 'Apricot Twist'
Erysimum 'Bowles' Mauve'
Erysimum 'Bredon'
Erysimum 'Butterscotch'
Erysimum 'Mrs L. K. Elmhirst'
Eupatorium maculatum 'Gateway'
Eupatorium rugosum 'Chocolate'
Euphorbia baselicis
Euphorbia characias 'Blue Wonder'
Euphorbia characias ssp. wulfenii
Euphorbia griffithii 'Dixter'
Euphorbia x martinii
Euphorbia myrsinites
Euphorbia palustris
Euphorbia rigida
Euphorbia schillingii
Euphorbia sikkimensis
Filipendula 'Kahome'
Filipendula rubra 'Venusta'
Filipendula ulmaria 'Variegata'
Foeniculum vulgare 'Purpureum'
Fuchsia magellanica 'Versicolor'
Galanthus magellanica 'Atkinsii'
Galanthus elwesii
Galanthus ikariae
Galanthus 'James Backhouse'
Galanthus 'Magnet'
Galanthus nivalis
Galanthus nivalis 'Flore Pleno'
Galanthus nivalis 'Viridapice'
Galanthus 'Ophelia'
Galanthus plicatus
Galanthus 'S. Arnott'
Galega x hartlandii 'Alba'
Galega x hartlandii 'Lady Wilson'
Galega 'His Majesty'
Galtonia candicans
Gaura lindheimeri
Gentiana asclepiadea
Geranium 'Ann Folkard'
Geranium 'Blue Cloud'
Geranium 'Brookside'
Geranium x cantabrigiense 'Karmina'
Geranium x cantabrigiense 'St Ola'
Geranium clarkei 'Kashmir Pink'
Geranium clarkei 'Kashmir Purple'
Geranium clarkei 'Kashmir White'
Geranium 'Coombland White'
Geranium 'Dusky Crûg'
Geranium 'Elizabeth Ross'
Geranium himalayense 'Plenum' (G. Birch Double)
Geranium 'Johnson's Blue'
Geranium macrorrhizum 'Album'
Geranium macrorrhizum 'Bevan's Variety'
Geranium macrorrhizum 'Ingwersen's Variety'
Geranium 'Mavis Simpson'
Geranium 'Nimbus'
Geranium nodosum
Geranium nodosum 'Julie's Velvet'
Geranium 'Orion'
Geranium 'Orkney Pink'
Geranium x oxonianum f. thurstonianum
Geranium x oxonianum 'Walter's Gift'
Geranium 'Patricia'
Geranium phaeum 'Lily Lovell'
Geranium phaeum 'Samobor'
Geranium pratense 'Janet's Special'
Geranium pratense 'Mrs Kendall Clark'
Geranium pratense 'Plenum Violaceum'
Geranium pratense 'Striatum'
Geranium psilostemon (G. armenum)
Geranium pyrenaicum 'Bill Wallis'
Geranium x riversleaianum 'Russell Prichard'
Geranium 'Rozanne'
Geranium sanguineum
Geranium sanguineum 'Album'
Geranium sanguineum 'Shepherd's Warning'
Geranium sanguineum var. striatum
Geranium sylvaticum 'Album
Geranium 'Tinpenny Mauve'
Geranium wallichianum 'Buxton's Variety'
Geum 'Bell Bank'
Geum 'Coppertone'
Geum 'Georgenburg'
Geum 'Herterton Primrose'
Geum 'Hilltop Beacon'
Geum x intermedium 'Diane'
Geum 'Mrs J. Bradshaw'
Geum rivale 'Leonard's Variety'
Gillenia trifoliata
Gladiolus communis ssp. byzantinus
Gladiolus murielae
Gladiolus papilio
Gypsophila 'Rosy Veil' (G. Rosenschleier)
Hebe hulkeana
Helenium 'Indianersommer'
Helenium 'Moerheim Beauty'
Helenium 'Riverton Beauty'
Helenium 'Riverton Gem'
Helenium 'Rubinzwerg'
Helenium 'Sahin's Early Flowerer'
Helenium 'Wyndley'
Helianthus 'Miss Mellish'
Helianthus 'Lemon Queen'
Heliopsis helianthoides 'Asahi'
Helleborus x ericsmithii
Helleborus foetidus 'Wester Flisk '
Helleborus x hybridus (H. orientalis)
Helleborus x hybridus 'Picotee'
Hemerocallis 'Cranberry Baby'
Hemerocallis 'Double River Wye'
Hemerocallis 'El Desperado'
Hemerocallis fulva 'Variegated Kwanso'
Hemerocallis 'Golden Chimes'
Hemerocallis 'Indian Chief'
Hemerocallis lilioasphodelus (H. flava)
Hemerocallis 'Little Missy'
Hemerocallis 'Pandora's Box'
Hemerocallis 'Penny's Worth'
Hemerocallis 'Rosy Returns'
Hemerocallis 'Siloam Baby Talk'
Hemerocallis 'Siloam Ury Winniford'
Hemerocallis 'Stafford'
Hemerocallis 'Stella de Oro'
Hemerocallis 'Strawberry Candy'
Hemerocallis 'Strutter's Ball'
Hemerocallis 'Summer Wine'
Hemerocallis 'White Temptation'
Hepatica nobilis
Heuchera 'Chocolate Ruffles'
Heuchera 'Licorice'
Heuchera 'Plum Pudding'
Heuchera 'Rave On'
Heuchera 'Silver Scrolls'
Heuchera 'Venus'
Hosta 'Blue Belle'
Hosta 'El Nino'
Hosta fortunei var. albopicta
Hosta 'Francee'
Hosta 'Frances Williams'
Hosta 'Halcyon'
Hosta 'June'
Hosta 'Krossa Regal'
Hosta 'Night before Christmas'
Hosta 'Royal Standard'
Hosta Sagae'
Hosta sieboldiana var. elegans
Hosta 'Spilt Milk'
Hosta 'Striptease'
Hosta 'Sum and Substance'
Hosta tokudama f. flavocircinalis
Hosta 'Wide Brim'
Hypericum olympicum 'Citrinum'
Inula magnifica
Iris - Gingerbread Man
Iris - Langport Storm
Iris chrysographes black-flowered
Iris sibirica
Iris sibirica 'Butter and Sugar'
Iris sibirica 'Memphis Memory'
Iris sibirica 'Ruffled Velvet'
Iris sibirica 'Silver Edge'
Iris sibirica 'White Swirl'
Knautia macedonica
Knautia macedonica 'Mars Midget'
Kniphofia 'Bees' Jubilee'
Kniphofia 'Brimstone'
Kniphofia caulescens
Kniphofia 'Nancy's Red'
Kniphofia 'Percy's Pride'
Kniphofia rooperi
Kniphofia 'Sunningdale Yellow'
Kniphofia 'Tawny King'
Kniphofia 'Timothy'
Lamium galeobdolon 'Hermann's Pride'
Lathyrus rotundifolius
Lathyrus vernus
Lathyrus vernus 'Alboroseus'
Lathyrus vernus 'Caeruleus'
Lavandula angustifolia 'Ashdown Forest'
Lavandula angustifolia 'Folgate'
Lavandula angustifolia 'Hidcote'
Lavandula angustifolia 'Imperi