Achillea aegyptiaca 'Taygetea'
Achillea millefolium 'Anthea'
Achillea millefolium 'New Vintage Rose'
Achillea millefolium 'Pomegranate'
Achillea millefolium 'Terracotta'
Achillea millefolium 'Walther Funcke'
Aconitum carmichaelii 'Arendsii'
Actaea simplex 'Black Negligee'
Actaea simplex 'Pink Spike'
Agastache rugosa 'Alabaster'
Ajuga reptans 'Braunherz'
Ajuga reptans 'Burgundy Glow'
Alcea rosea 'Nigra'
Alcea rosea-Hybride 'Mars Magic'
Alcea rosea-Hybride 'Polarstar'
Alcea rosea-Hybride 'Radians Rose'
Alcea rosea-Hybride 'Sunshine'
Alchemilla mollis
Anchusa azurea 'Loddon Royalist'
Anemone hupehensis 'Prinz Heinrich'
Anemone hybride 'Coupe d'Argent'
Anemone hybride 'Honorine Jobert'
Anthemis hybride 'E.C. Buxton'
Anthemis hybride 'Sauce Hollandaise'
Anthriscus sylvestris 'Ravenswing'
Aquilegia caerulea hybride 'Heavenly Blue'
Aquilegia caerulea hybride 'Kristall'
Aquilegia caerulea hybride 'Mrs. Scott Elliott'
Aquilegia chrysantha 'Denver Gold'
Aquilegia vulgaris 'Winky Purple-White'
Aster divaricatus 'Beth Chatto'
Aster dumosus 'Professor Anton Kippenberg'
Aster lateriflorus 'Horizontalis'
Aster pringlei 'Monte Cassino'
Astilbe arendsii 'Fanal'
Astilbe arendsii 'Rose Shades'
Astrantia major 'Hadspen Blood'
Astrantia major 'Roma'
Astrantia major 'Ruby Star'
Astrantia major 'Snow Star'
Baptisia australis 'Decadence Lemon Meringue'
Baptisia australis 'Purple Smoke'
Bergenia cordifolia 'Bressingham Ruby'
Bidens aurea 'Hannay's Lemon Drop'
Brunnera macrophylla 'Jack Frost'
Brunnera macrophylla 'Silver Heart'
Brunnera macrophylla 'Sea Heart'
Brunnera macrophylla
Campanula glomerata 'Freya'
Campanula lactiflora 'Alba'
Campanula lactiflora 'Loddon Anna'
Campanula lactiflora 'Prichard's Variety'
Campanula latifolia
Campanula persicifolia 'Grandiflora Alba'
Campanula persicifolia 'Grandiflora Courulae'
Campanula persicifolia 'Telham Beauty'
Campanula poscharskyana 'E.H. Frost'
Campanula poscharskyana 'Nana Alba'
Campanula poscharskyana 'Stella'
Catananche caerulea 'Alba'
Centaurea macrocephala
Centaurea montana 'Amethyst Dream'
Centranthus ruber 'Coccineus'
Cephalaria gigantea
Cerastium tomentosum
Chaerophyllum hirsutum 'Roseum'
Cheiranthus allionii
Cheiranthus cheiri 'Cloth of Gold'
Cheiranthus cheiri 'Orange Bedder'
Cheiranthus cheiri 'Blood Red'
Chelone obliqua
Cirsium rivulare 'Atropurpureum'
Coreopsis grandiflora 'Santa Fe'
Coreopsis verticillata 'Sizzle & Spice Crazy Cayenne'
Corydalis curviflora rosthornii 'Blue Heron'
Corydalis 'Porcelain Blue'
Corydalis flexuosa
Darmera peltata
Delphinium elatum 'Amara Barbara'
Delphinium elatum 'Highlander Bolero'
Delphinium elatum 'Highlander Samba'
Dianthus deltoides 'Flashing Light'
Dierama pulcherrimum 'Dark Cerise'
Digitalis ferruginea 'Gigantea'
Digitalis lutea
Digitalis mertonensis 'Summer King'
Digitalis parviflora 'Milk Chocolate'
Digitalis purpurea mix
Digitalis purpurea 'Snow Thimble'
Digitalis purpurea 'Sutton's Apricot'
Dodecatheon pulchellum 'Red Wings'
Echinacea pallida
Echinacea paradoxa
Echinacea purpurea 'Alba'
Echinacea purpurea 'Magnus'
Echinacea purpurea 'White Swan'
Echinops bannaticus 'Blue Glow'
Echinops niveus 'Arctic Glow'
Echinops ritro 'Veitch's Blue'
Echium pininana
Echium russicum 'Red Feathers'
Erigeron karvinskianus
Eryngium planum 'Blauer Zwerg'
Erysimum hybridum 'Bowles Mauve'
Eupatorium maculatum 'Atropurpureum'
Eupatorium maculatum 'Purple Bush'
Eupatorium maculatum 'Red Dwarf'
Eupatorium maculatum 'Riesenschirm'
Eupatorium rugosum 'Chocolate'
Euphorbia amygdaloides 'Purpurea'
Filipendula
Filipendula purpurea 'Elegans'
Filipendula rubra 'Venusta'
Francoa sonchifolia
Gaillardia aristata 'Tokayer'
Galium odoratum
Gaura lindheimeri 'Siskiyou Pink'
Gaura lindheimeri 'Whirling Butterflies'
Geranium macrorrhizum 'Spessart'
Geranium maculatum 'Espresso'
Geranium oxonianum 'Walters Gift'
Geranium sanguineum 'Max Frei'
Geranium sanguineum striatum
Geranium sanguineum 'Vision Violet'
Geum chiloense 'Lady Stratheden'
Geum chiloense 'Mrs Bradshaw'
Geum coccineum 'Werner Arends'
Glechoma hederacea 'Variegata'
Helenium hybride 'Indianersommer'
Helenium hybride 'Moerheim Beauty'
Helenium hybride 'Little Orange'
Helenium hybride 'Loysder Wieck'
Helenium hybride 'Short'n Sassy'
Helianthus 'Happy Days'
Helianthus hybride 'Lemon Queen'
Heliopsis helianthoides 'Asahi'
Heliopsis helianthoides 'Burning Hearts'
Heliopsis helianthoides 'Venus'
Hemerocallis 'Stella de Oro'
Hesperis matronalis 'White'
Hesperis matronalis 'Violet'
Heuchera hybrid 'Chocolat Ruffles'
Iberis sempervirens 'Masterpiece'
Iris germanica 'English Cottage'
Iris germanica paars
Kitaibelia vitifolia
Knautia macedonica 'Red Knight'
Kniphofia 'Sunningdale Yellow'
Lamium maculatum 'Beacon Silver'
Lamium maculatum 'Pink Pewter'
Lathyrus latifolius 'Pink Pearl'
Lathyrus latifolius 'Red Pearl'
Lathyrus latifolius 'White Pearl'
Lavandula angustifolia 'Brabants Lust'
Lavendula angustifolia 'Hidcote Blue'
Leucanthemum superbum 'Old Court Variety'
Liatris spicata 'Floristan Violet'
Liatris spicata 'Floristan White'
Linaria purpurea 'Springside White'
Lobelia cardinalis
Lobelia fulgens 'Queen Victoria'
Lobelia speciosa 'Fan Blue'
Lobelia speciosa 'Hadspen Purple'
Lobelia speciosa 'Monet Moment'
Lobelia speciosa 'Russian Princess'
Lupinus x hybrida 'Gallery Blue'
Lupinus x hybrida 'Gallery Pink'
Lupinus x hybrida 'Gallery Red'
Lupinus x hybrida 'Gallery White'
Lupinus x hybrida 'Gallery Yellow'
Lychnis chalcedonica
Lychnis chalcedonica 'Carnea'
Lychnis coronaria roze
Lychnis flos-cuculi 'Petit Henri'
Lysimachia barystachys
Lysimachia clethroides
Lythrum salicaria 'Blush'
Lythrum salicaria 'Lady Sackville'
Lythrum salicaria 'Zigeunerblut'
Monarda 'Gardenview Scarlet'
Monarda didyma 'Pink Lace'
Monarda didyma 'Prairie Night'
Monarda didyma 'Scorpion'
Morina longifolia
Nepeta faassenii 'Walkers Low'
Nepeta manchuriensis 'Manchu Blue'
Nepeta sibirica 'Souvenir d'Andre Chaudron'
Pachyphragma macrophylla
Papaver nudicaule 'Garden Gnome'
Papaver orientale 'Beauty of Livermere'
Papaver orientale 'Royal Wedding'
Patrinia scabiosifolia
Penstemon digitalis 'Dark Towers'
Penstemon 'Sour Grapes'
Perovskia atriplicifolia 'Blue Spires'
Persicaria affinis 'Darjeeling Red'
Persicaria amplexicaulis 'Dark Red'
Persicaria amplexicaulis 'Fat Domino'
Persicaria amplexicaulus 'Pink Elephant'
Persicaria bistorta 'Superba'
Persicaria microcephala 'Red Dragon'
Persicaria polymorpha
Phlomis russeliana
Phlomis tuberosa 'Amazone'
Phlox douglasii 'White Admiral'
Phlox paniculata 'Blue Paradise'
Phlox paniculata 'David'
Phlox paniculata 'Europa'
Phlox paniculata 'Franz Schubert'
Phlox paniculata 'Rosa Pastell'
Phygelius x rectus 'African queen'
Phygelius x rectus magenta
Physalis alkekengi var. franchetii 'Gigantea'
Physostegia virginiana 'Summersnow'
Polemonium yezoense 'Purple Rain'
Polygonatum multiflora
Potentilla atrosanguinea var. argyrophylla
Potentilla atrosanguinea var. argyrophylla 'Scarlet Starlit'
Potentilla nepalensis 'Miss Willmott'
Potentilla nepalensis 'Shogran'
Prunella grandiflora 'Light Blue'
Prunella grandiflora 'Rubra'
Pulmonaria longifolia 'Victorian Brooch'
Pulsatilla vulgaris 'Pearl Bells'
Pulsatilla vulgaris 'Red Bells'
Pulsatilla vulgaris 'Violet Bells'
Ratibida columnifera f. pulcherrima 'Red Midget'
Rodgersia pinnata 'Bronze Peacock'
Rudbeckia fulgida 'Goldsturm'
Rudbeckia maxima
Rudbeckia nitida 'Herbstsonne'
Rudbeckia subtomentosa 'Henry Eilers'
Rudbeckia triloba 'Prairie Glow'
Salvia coahuilensis 'Purple Ginny'
Salvia darcyi
Salvia dolichantha
Salvia 'Envy'
Salvia ex pamire/amplexicaulis
Salvia forskaohlei
Salvia greggii 'Amethyst Lips'
Salvia greggii 'Eclipse'
Salvia greggii 'Lemon Light'
Salvia greggii 'Salmon Dance'
Salvia greggii 'Vanilla'
Salvia × jamensis 'Sierra San Antonio'
Salvia microphylla 'Blind Faith'
Salvia microphylla 'Blue Moon'
Salvia microphylla 'Dancing Dolls'
Salvia microphylla 'Fantasia'
Salvia microphylla 'Hot Lips'
Salvia microphylla 'Little Mary"
Salvia microphylla 'Lollipop'
Salvia microphylla 'Nachtvlinder'
Salvia microphylla 'Pink Lips'
Salvia microphylla 'Rosa Real'
Salvia microphylla 'Royal Bumble'
Salvia nemorosa 'Amethyst'
Salvia nemorosa 'Blue Hill/Blauhugel'
Salvia nemorosa 'Bumbleberry'
Salvia nemorosa 'Caradonna'
Salvia nemorosa 'Mainacht'
Salvia nemorosa 'Pink Friesland'
Salvia nemorosa 'Salute Deep Blue'
Salvia nemorosa 'Snow Hill/Schneehugel'
Salvia nutans
Salvia pratensis 'Rose Rhapsody'
Salvia pratensis 'Sky Dance'
Salvia pratensis 'Swan Lake'
Salvia pratensis 'Sweet Esmeralda'
Salvia pratensis 'Twilight Serenade'
Salvia reptans 'West Texas form'
Salvia sclarea var turkestanica 'Vatican White'
Salvia sclarea var turkestanica 'Vatican Pink'
Salvia transsylvanica 'Blue Spire'
Salvia uliginosa
Salvia verticillata 'Hannay's Blue'
Salvia verticillata ‘Purple Rain’
Salvia verticillata 'Smouldering Torches'
Salvia yunnanensis
Sanguisorba obtusa Pink
Sanguisorba officinalis 'Pink Tanna'
Sanguisorba officinalis 'Tall Tanna'
Saxifraga cortusifolia 'Black Ruby'
Scabiosa caucasica 'Fama Tiefblau'
Scabiosa caucasica 'Perfect Alba'
Scabiosa columbaria 'Pink Mist'
Schizostylis coccinea 'Major'
Schizostylis coccinea 'Mrs Hegarty'
Scutellaria incana
Sedum spectabile 'Herbstfreude'
Sedum spectabile 'Matrona'
Sedum spectabile 'Purple Emperor'
Silphium perfoliatum 'JS Maya'
Solidago rugosa 'Loysder Crown'
Stachys byzantina 'Silky Fleece'
Stachys byzantina
Stachys monieri 'Hummelo'
Succisella inflexa 'Frosted Pearls'
Succisa pratensis 'Derby Purple'
Symphytum grandiflorum 'Wisley Blue'
Teucrium scorodonia 'Crispum Marginatum'
Thalictrum aquilegifolium 'Black Stockings'
Thalictrum aquilegifolium 'Nimbus White'
Thalictrum aquilegifolium 'Purpureum'
Thalictrum delavayi 'Splendide'
Thalictrum delavayi 'Splendide White'
Thalictrum flavum
Thermopsis chinensis
Tiarella 'Pink Skyrocket'
Trifolium rubens
Verbascum chaixii '16 Candles'
Verbascum chaixii 'Wedding Candle'
Verbascum hybrida 'Southern Charm'
Verbascum phoeniceum 'Flush of White'
Verbascum phoeniceum 'Rosetta'
Verbascum phoeniceum 'Violetta'
Verbena bonariensis
Verbena hastata blauw
Verbena hastata rose
Vernonia crinita 'Mammuth'
Veronica longifolia 'First Glory'
Veronica longifolia 'First Lady'
Veronica longifolia 'First Love'
Veronica longifolia 'Pink Damask'
Veronica gentianoides 'Ramona'
Veronica gentianoides 'Tissington White'
Veronica spicata 'Ulster Blue Dwarf'
Veronica spicata 'Icicle'
Veronicastrum sibiricum 'Red Arrows'
Veronicastrum virginicum 'Album'
Veronicastrum virginicum 'Fascination'
Veronicastrum virginicum 'Pink Glow'
Vinca minor 'Gertrude Jekyll'
Viola hederacea
Viola labradori
Viola odorata