| Acanthus mollis (Latifolius Group) 'Rue Ledan' | ||
| Acanthus mollis Latifolius Group | ||
| Acanthus spinosus Spinosissimus Group | ||
| Achillea 'Fanal' | ||
| Achillea 'McVities' | ||
| Achillea millefolium 'Cerise Queen' | ||
| Achillea millefolium 'Red Velvet' | ||
| Achillea millefolium 'Sammetriese' | ||
| Achillea 'Moonshine' AGM | ||
| Achillea nobilis subsp. neilreichii | ||
| Achillea ptarmica The Pearl Group seed-raised | ||
| Achillea 'Terracotta' | ||
| Achillea 'Wesersandstein' | ||
| Aconitum carmichaelii | ||
| Aconitum 'Ivorine' | ||
| Aconitum x cammarum 'Bicolor' AGM | ||
| Acorus gramineus | ||
| Acorus gramineus 'Masamune' | ||
| Acorus gramineus 'Ogon' | ||
| Acorus gramineus 'Variegatus' | ||
| Adenophora liliifolia | ||
| Agapanthus Headbourne hybrids | ||
| Ajuga reptans 'Braunherz' | ||
| Ajuga reptans 'Catlin's Giant' AGM | ||
| Ajuga reptans f. albiflora 'Silver Shadow' | ||
| Alchemilla conjuncta | ||
| Alchemilla erythropoda AGM | ||
| Alchemilla mollis AGM | ||
| Allium hollandicum 'Purple Sensation' AGM | ||
| Allium mairei | ||
| Allium moly | ||
| Allium obliquum | ||
| Allium oreophilum | ||
| Allium senescens | ||
| Allium senescens subsp. montanum var. glaucum | ||
| Allium sphaerocephalon | ||
| Allium wallichii | ||
| Alstroemeria psittacina | ||
| Amelanchier alnifolia var. pumila | ||
| Amsonia illustris | ||
| Amsonia orientalis | ||
| Amsonia tabernaemontana var. salicifolia | ||
| Anaphalis margaritacea var. yedoensis AGM | ||
| Anemanthele lessoniana AGM | ||
| Anemone apennina AGM | ||
| Anemone hupehensis 'Bowles' Pink' AGM | ||
| Anemone hupehensis var. japonica 'Pamina' AGM | ||
| Anemone multifida Poir. | ||
| Anemone nemorosa AGM | ||
| Anemone nemorosa 'Bowles' Purple' | ||
| Anemone nemorosa 'Robinsoniana' AGM | ||
| Anemone nemorosa 'Royal Blue' | ||
| Anemone nemorosa 'Vestal' AGM | ||
| Anemone nemorosa 'Wyatt's Pink' | ||
| Anemone rivularis | ||
| Anthemis punctata subsp. cupaniana AGM | ||
| Anthemis SUSANNA MITCHELL 'Blomit' | ||
| Anthemis tinctoria 'E.C. Buxton' | ||
| Anthemis tinctoria 'Sauce Hollandaise' | ||
| Anthemis tinctoria 'Wargrave Variety' | ||
| Anthemis 'Tinpenny Sparkle' | ||
| Aquilegia vulgaris | ||
| Arisaema candidissimum AGM | ||
| Arisarum proboscideum | ||
| Artemisia lactiflora AGM | ||
| Artemisia lactiflora Guizhou Group | ||
| Artemisia 'Rosenschleier' | ||
| Arum 'Chameleon' | ||
| Arum italicum subsp. italicum 'Marmoratum' AGM | ||
| Asphodeline lutea | ||
| Asplenium scolopendrium AGM | ||
| Asplenium scolopendrium 'Muricatum' | ||
| Aster 'Coombe Fishacre' AGM | ||
| Aster divaricatus | ||
| Aster ericoides 'Pink Cloud' AGM | ||
| Aster 'Kylie' AGM | ||
| Aster laevis | ||
| Aster lateriflorus 'Prince' | ||
| Aster lateriflorus var. horizontalis AGM | ||
| Aster 'Little Carlow' (cordifolius hybrid) AGM | ||
| Aster novae-angliae 'Andenken an Alma Pötschke' | ||
| Aster novae-angliae 'Barr's Violet' | ||
| Aster novae-angliae 'Harrington's Pink' AGM | ||
| Aster novae-angliae 'Herbstschnee' | ||
| Aster novae-angliae 'Lye End Beauty' | ||
| Aster novae-angliae 'Purple Dome' | ||
| Aster novae-angliae 'Sayer's Croft' | ||
| Aster novae-angliae 'Violetta' | ||
| Aster novi-belgii 'Lady in Blue' | ||
| Aster pilosus var. demotus AGM | ||
| Aster 'Pink Star' | ||
| Aster sedifolius 'Nanus' | ||
| Aster tradescantii L. | ||
| Aster turbinellus AGM | ||
| Aster umbellatus | ||
| Aster x frikartii 'Mönch' AGM | ||
| Astilbe chinensis var. pumila AGM | ||
| Astilbe 'Weisse Gloria' (× arendsii) | ||
| Astrantia 'Buckland' | ||
| Astrantia 'Hadspen Blood' | ||
| Astrantia major | ||
| Astrantia major 'Ruby Wedding' | ||
| Astrantia major 'Sunningdale Variegated' AGM | ||
| Astrantia maxima AGM | ||
| Atriplex halimus | ||
| Atropa bella-donna | ||
| Bergenia 'Baby Doll' | ||
| Bergenia ciliata | ||
| Bergenia purpurascens AGM | ||
| Bergenia 'Silberlicht' AGM | ||
| Brunnera macrophylla AGM | ||
| Brunnera macrophylla 'Betty Bowring' | ||
| Brunnera macrophylla 'Hadspen Cream' AGM | ||
| Brunnera macrophylla 'Jack Frost' (PBR) AGM | ||
| Buddleja davidii 'Dartmoor' AGM | ||
| Butomus umbellatus AGM | ||
| Calamagrostis brachytricha AGM | ||
| Calamagrostis x acutiflora 'Karl Foerster' | ||
| Calamagrostis x acutiflora 'Overdam' | ||
| Calamintha grandiflora | ||
| Calamintha nepeta subsp. nepeta | ||
| Caltha palustris AGM | ||
| Caltha palustris var. alba | ||
| Camassia leichtlinii subsp. leichtlinii AGM | ||
| Camassia leichtlinii subsp. suksdorfii Caerulea Group | ||
| Campanula alliariifolia | ||
| Campanula lactiflora | ||
| Campanula 'Paul Furse' | ||
| Campanula persicifolia | ||
| Campanula persicifolia 'Tinpenny Blue' | ||
| Campanula trachelium 'Bernice' | ||
| Cardamine pentaphylla AGM | ||
| Cardamine raphanifolia | ||
| Carex berggrenii | ||
| Carex buchananii AGM | ||
| Carex comans bronze | ||
| Carex comans 'Frosted Curls' | ||
| Carex conica 'Snowline' | ||
| Carex dipsacea | ||
| Carex elata 'Aurea' AGM | ||
| Carex muskingumensis 'Oehme' | ||
| Carex ornithopoda 'Variegata' | ||
| Carex oshimensis 'Evergold' AGM | ||
| Carex petriei | ||
| Carex siderosticha 'Variegata' | ||
| Carex tenuiculmis | ||
| Centaurea macrocephala | ||
| Cephalaria gigantea | ||
| Chaenomeles speciosa 'Moerloosei' AGM | ||
| Chaerophyllum hirsutum 'Roseum' | ||
| Chionochloa rubra | ||
| Chrysanthemum 'Mrs Jessie Cooper' (29Rub) | ||
| Chrysanthemum 'Wedding Day' (29K) | ||
| Cirsium heterophyllum | ||
| Clematis recta | ||
| Clematis recta 'Purpurea' (F) | ||
| Colchicum agrippinum AGM | ||
| Colchicum autumnale 'Alboplenum' | ||
| Colchicum autumnale 'Album' | ||
| Colchicum Blom's hybrid | ||
| Colchicum byzantinum Ker Gawl. AGM | ||
| Convallaria majalis AGM | ||
| Convallaria majalis 'Hardwick Hall' | ||
| Convallaria majalis var. rosea | ||
| Corydalis cheilanthifolia | ||
| Corydalis solida | ||
| Cotula hispida | ||
| Crocosmia 'Lucifer' AGM | ||
| Crocosmia paniculata | ||
| Crocosmia x crocosmiiflora 'Honey Angels' | ||
| Crocosmia x crocosmiiflora 'Star of the East' AGM | ||
| Cyclamen coum AGM | ||
| Cyclamen hederifolium AGM | ||
| Dactylorhiza fuchsii | ||
| Darmera peltata AGM | ||
| Deschampsia cespitosa | ||
| Deschampsia cespitosa 'Bronzeschleier' | ||
| Dianthus 'Eleanor's Old Irish' | ||
| Dianthus 'Inchmery' | ||
| Dianthus 'Nyewoods Cream' | ||
| Dianthus 'Waithman Beauty' | ||
| Diphylleia cymosa | ||
| Disporopsis fuscopicta | ||
| Disporopsis pernyi | ||
| Disporum flavens | ||
| Dryopteris affinis 'Cristata' AGM | ||
| Dryopteris erythrosora AGM | ||
| Echinacea purpurea | ||
| Echinacea purpurea 'White Swan' | ||
| Echinops ritro 'Veitch's Blue' | ||
| Epimedium pinnatum subsp. colchicum AGM | ||
| Epimedium x rubrum AGM | ||
| Epimedium x versicolor 'Sulphureum' AGM | ||
| Erodium chrysanthum | ||
| Erodium manescavii | ||
| Eryngium alpinum 'Blue Star' | ||
| Eryngium giganteum AGM | ||
| Eryngium planum | ||
| Eryngium planum 'Flüela' | ||
| Eryngium variifolium | ||
| Eryngium yuccifolium | ||
| Erysimum 'Butterscotch' | ||
| Erythronium californicum 'White Beauty' AGM | ||
| Erythronium dens-canis AGM | ||
| Erythronium 'Pagoda' AGM | ||
| Eucomis autumnalis (Mill.) Chitt. AGM | ||
| Eucomis bicolor AGM | ||
| Eucomis comosa | ||
| Eucomis pole-evansii | ||
| Eucomis vandermerwei | ||
| Eupatorium cannabinum 'Flore Pleno' | ||
| Eupatorium purpureum subsp. maculatum 'Gateway' | ||
| Eupatorium rugosum | ||
| Eupatorium rugosum 'Chocolate' AGM | ||
| Euphorbia characias subsp. wulfenii AGM | ||
| Euphorbia cyparissias | ||
| Euphorbia cyparissias 'Fens Ruby' | ||
| Euphorbia griffithii 'Dixter' AGM | ||
| Euphorbia palustris AGM | ||
| Euphorbia polychroma AGM | ||
| Euphorbia schillingii AGM | ||
| Euphorbia stricta | ||
| Festuca amethystina | ||
| Festuca glauca | ||
| Filipendula rubra 'Venusta' AGM | ||
| Filipendula ulmaria 'Aurea' | ||
| Filipendula ulmaria 'Flore Pleno' | ||
| Filipendula ulmaria 'Variegata' | ||
| Filipendula vulgaris 'Multiplex' | ||
| Francoa sonchifolia | ||
| Frankenia thymifolia | ||
| Fritillaria imperialis | ||
| Fritillaria meleagris | ||
| Fritillaria pyrenaica AGM | ||
| Galanthus 'Atkinsii' AGM | ||
| Galanthus 'Benhall Beauty' | ||
| Galanthus 'Dionysus' | ||
| Galanthus 'Jacquenetta' | ||
| Galanthus nivalis f. pleniflorus 'Pusey Green Tip' | ||
| Galanthus nivalis 'Viridapice' | ||
| Galanthus plicatus AGM | ||
| Galanthus 'S. Arnott' AGM | ||
| Galtonia candicans AGM | ||
| Galtonia princeps | ||
| Genista sagittalis | ||
| Gentiana asclepiadea AGM | ||
| Gentiana asclepiadea var. alba | ||
| Gentiana tibetica | ||
| Geranium asphodeloides | ||
| Geranium dalmaticum AGM | ||
| Geranium himalayense 'Irish Blue' | ||
| Geranium himalayense 'Plenum' | ||
| Geranium libani | ||
| Geranium nodosum | ||
| Geranium nodosum 'Julie's Velvet' | ||
| Geranium PATRICIA 'Brempat' | ||
| Geranium phaeum 'Lily Lovell' | ||
| Geranium phaeum var. lividum 'Joan Baker' | ||
| Geranium phaeum var. phaeum 'Samobor' | ||
| Geranium phaeum 'Variegatum' | ||
| Geranium pratense 'Mrs Kendall Clark' AGM | ||
| Geranium psilostemon AGM | ||
| Geranium sanguineum | ||
| Geranium sanguineum 'Album' AGM | ||
| Geranium sanguineum 'Glenluce' | ||
| Geranium sanguineum 'Shepherd's Warning' AGM | ||
| Geranium sanguineum var. striatum 'Splendens' AGM | ||
| Geranium 'Sirak' AGM | ||
| Geranium 'Sue Crûg' | ||
| Geranium 'Tinpenny Mauve' | ||
| Geranium wlassovianum | ||
| Geranium x magnificum AGM | ||
| Geum 'Beech House Apricot' | ||
| Geum bulgaricum | ||
| Geum 'Coppertone' | ||
| Geum 'Lionel Cox' | ||
| Geum rivale 'Album' | ||
| Geum 'Tinpenny Orange' | ||
| Geum triflorum | ||
| Gladiolus papilio | ||
| Gypsophila repens 'Rosea' | ||
| Gypsophila 'Rosenschleier' AGM | ||
| Haberlea rhodopensis AGM | ||
| Hacquetia epipactis AGM | ||
| Hakonechloa macra 'Aureola' AGM | ||
| Hebe hulkeana AGM | ||
| Hedera helix 'Buttercup' | ||
| Hedera helix 'Glymii' | ||
| Hedera helix 'Ivalace' AGM | ||
| Hedera helix 'Little Diamond' | ||
| Hedera helix 'Spetchley' AGM | ||
| Helenium 'Moerheim Beauty' AGM | ||
| Helianthemum 'Boughton Double Primrose' | ||
| Helianthus 'Lemon Queen' AGM | ||
| Helianthus salicifolius | ||
| Helictotrichon sempervirens AGM | ||
| Helleborus argutifolius AGM | ||
| Helleborus foetidus Wester Flisk Group | ||
| Helleborus niger AGM | ||
| Helleborus torquatus | ||
| Helleborus viridis | ||
| Helleborus x hybridus apricot-flowered | ||
| Helleborus x hybridus black-flowered | ||
| Helleborus x hybridus cream-flowered | ||
| Helleborus x hybridus deep red-flowered | ||
| Helleborus x hybridus large, pink-flowered | ||
| Helleborus x hybridus pink-flowered | ||
| Helleborus x hybridus plum-flowered | ||
| Helleborus x hybridus primrose-flowered | ||
| Helleborus x hybridus spotted | ||
| Helleborus x hybridus spotted, cream | ||
| Helleborus x hybridus spotted, green | ||
| Helleborus x hybridus spotted, pink | ||
| Helleborus x hybridus spotted, primrose | ||
| Helleborus x hybridus spotted, white | ||
| Helleborus x hybridus white-flowered | ||
| Helleborus x hybridus yellow-flowered | ||
| Helleborus x sternii | ||
| Hemerocallis 'American Revolution' | ||
| Hemerocallis 'Angel Unawares' | ||
| Hemerocallis 'Artistic Gold' | ||
| Hemerocallis 'Bejewelled' | ||
| Hemerocallis 'Bonanza' | ||
| Hemerocallis 'Cartwheels' AGM | ||
| Hemerocallis 'Catherine Woodbery' | ||
| Hemerocallis 'Chicago Royal Robe' | ||
| Hemerocallis citrina | ||
| Hemerocallis 'Colonial Dame' | ||
| Hemerocallis 'Cranberry Baby' | ||
| Hemerocallis 'Cream Drop' | ||
| Hemerocallis 'Crimson Icon' | ||
| Hemerocallis 'Crimson Pirate' | ||
| Hemerocallis 'Dad's Best White' | ||
| Hemerocallis 'Diamond Dust' | ||
| Hemerocallis 'Double River Wye' | ||
| Hemerocallis dumortieri | ||
| Hemerocallis 'Easy Ned' | ||
| Hemerocallis fulva 'Green Kwanso' | ||
| Hemerocallis 'Georgette Belden' | ||
| Hemerocallis 'Golden Chimes' AGM | ||
| Hemerocallis 'Grape Magic' | ||
| Hemerocallis 'Guardian Angel' | ||
| Hemerocallis 'Happy Returns' | ||
| Hemerocallis 'High Tor' | ||
| Hemerocallis 'Irish Elf' | ||
| Hemerocallis 'Joan Senior' | ||
| Hemerocallis lilioasphodelus AGM | ||
| Hemerocallis 'Little Grapette' | ||
| Hemerocallis 'Luxury Lace' | ||
| Hemerocallis 'Naomi Ruth' | ||
| Hemerocallis 'Nefertiti' | ||
| Hemerocallis 'Pink Damask' AGM | ||
| Hemerocallis 'Prize Picotee Elite' | ||
| Hemerocallis 'Root Beer' | ||
| Hemerocallis 'Siloam Baby Talk' | ||
| Hemerocallis 'Siloam Ury Winniford' | ||
| Hemerocallis 'Sirocco' | ||
| Hemerocallis 'Stafford' | ||
| Hemerocallis 'Stella de Oro' | ||
| Hemerocallis 'Trahlyta' | ||
| Hepatica transsilvanica AGM | ||
| Hermodactylus tuberosus | ||
| Heuchera 'Chocolate Ruffles' (PBR) | ||
| Heuchera 'Pewter Moon' | ||
| Heuchera 'Rachel' | ||
| Holcus mollis 'Albovariegatus' | ||
| Horminum pyrenaicum | ||
| Hosta (Tardiana Group) 'Blue Belle' | ||
| Hosta (Tardiana Group) 'Halcyon' AGM | ||
| Hosta 'August Moon' | ||
| Hosta 'Aureomarginata' (montana) | ||
| Hosta 'Aureomarginata' (ventricosa) AGM | ||
| Hosta 'Bold Ribbons' | ||
| Hosta 'Candy Hearts' | ||
| Hosta 'Chantilly Lace' | ||
| Hosta 'Emerald Tiara' | ||
| Hosta fortunei var. albopicta AGM | ||
| Hosta fortunei var. aureomarginata AGM | ||
| Hosta 'Francee' (fortunei) AGM | ||
| Hosta 'Frosted Jade' | ||
| Hosta 'Ginko Craig' | ||
| Hosta 'Gold Edger' | ||
| Hosta 'Gold Standard' (fortunei) | ||
| Hosta 'Goldbrook' | ||
| Hosta 'Golden Tiara' AGM | ||
| Hosta 'Guacamole' | ||
| Hosta 'Hydon Sunset' (nakaiana) | ||
| Hosta 'Invincible' | ||
| Hosta kikutii | ||
| Hosta 'Komodo Dragon' | ||
| Hosta 'Krossa Regal' AGM | ||
| Hosta lancifolia AGM | ||
| Hosta 'Lemon Lime' | ||
| Hosta 'Minuteman' (fortunei) | ||
| Hosta 'Pearl Lake' | ||
| Hosta 'Pineapple Poll' | ||
| Hosta 'Red Neck Heaven' (kikutii var. caput-avis) | ||
| Hosta 'Robert Frost' | ||
| Hosta 'Shade Fanfare' AGM | ||
| Hosta sieboldii var. sieboldii f. kabitan | ||
| Hosta 'Sum and Substance' AGM | ||
| Hosta undulata var. albomarginata | ||
| Hosta venusta AGM | ||
| Hosta 'Zager White Edge' (fortunei) | ||
| Houttuynia cordata 'Flore Pleno' | ||
| Humulus lupulus 'Aureus' AGM | ||
| Hylomecon japonica | ||
| Hystrix patula | ||
| Ipheion 'Alberto Castillo' | ||
| Ipheion uniflorum | ||
| Ipheion uniflorum 'Charlotte Bishop' | ||
| Ipheion uniflorum 'Froyle Mill' AGM | ||
| Ipheion uniflorum 'Wisley Blue' AGM | ||
| Iris 'Alsterquelle' (SDB) | ||
| Iris 'Blue Denim' (SDB) | ||
| Iris 'Blue Pools' (SDB) | ||
| Iris 'Cherokee Lace' (Spuria) | ||
| Iris 'Chivalry' (TB) | ||
| Iris 'Dixie Pixie' (SDB) | ||
| Iris douglasiana AGM | ||
| Iris ensata 'Eden's Purple Glory' | ||
| Iris ensata 'Pink Frost' | ||
| Iris ensata 'Variegata' AGM | ||
| Iris foetidissima yellow-seeded | ||
| Iris fulva AGM | ||
| Iris 'Holden Clough' (SpecHybrid) AGM | ||
| Iris 'Jane Phillips' (TB) AGM | ||
| Iris japonica 'Aphrodite' | ||
| Iris 'Katharine Hodgkin' (Reticulata) AGM | ||
| Iris 'Kent Pride' (TB) | ||
| Iris laevigata 'Variegata' AGM | ||
| Iris 'Langport Duchess' (IB) | ||
| Iris 'Langport Flame' (IB) | ||
| Iris 'Langport Storm' (IB) | ||
| Iris 'Langport Wren' (IB) AGM | ||
| Iris 'Mary McIlroy' (SDB) AGM | ||
| Iris 'Nice n' Nifty' (IB) | ||
| Iris pseudacorus AGM | ||
| Iris pseudacorus 'Roy Davidson' AGM | ||
| Iris pseudacorus 'Turnipseed' | ||
| Iris pseudacorus var. bastardii | ||
| Iris pseudacorus white-flowered, from Lake Michigan | ||
| Iris 'Red Heart' (SDB) | ||
| Iris 'Ripple Chip' (SDB) | ||
| Iris 'Royal Magician' (SDB) | ||
| Iris 'Sandy Caper' (IB) | ||
| Iris 'Sass with Class' (SDB) | ||
| Iris sibirica 'Flight of Butterflies' | ||
| Iris sibirica 'Summer Sky' | ||
| Iris sibirica 'Super Ego' | ||
| Iris sibirica 'White Swirl' AGM | ||
| Iris sintenisii AGM | ||
| Iris 'Staten Island' (TB) | ||
| Iris 'Tantara' (SDB) | ||
| Iris 'Tarheel Elf' (SDB) | ||
| Iris 'Tiffany' (TB) | ||
| Iris 'Toots' (SDB) | ||
| Iris versicolor AGM | ||
| Iris 'Wabash' (TB) | ||
| Iris 'Wheels' (SDB) | ||
| Iris 'Wizard of Id' (SDB) | ||
| Iris x robusta 'Dark Aura' AGM | ||
| Iris x robusta 'Gerald Darby' AGM | ||
| Iris x robusta 'Nutfield Blue' | ||
| Jovibarba allionii | ||
| Jovibarba heuffelii 'Chocoleto' | ||
| Jovibarba heuffelii 'Giuseppi Spiny' | ||
| Jovibarba heuffelii 'Greenstone' | ||
| Jovibarba heuffelii 'Miller's Violet' | ||
| Jovibarba heuffelii 'Minuta' | ||
| Jovibarba heuffelii 'Prisma' | ||
| Jovibarba heuffelii 'Tan' | ||
| Jovibarba heuffelii 'Torrid Zone' | ||
| Jovibarba heuffelii var. glabra from Anabakanak | ||
| Jovibarba heuffelii var. glabra from Anthoborio | ||
| Jovibarba heuffelii var. glabra from Ljuboten | ||
| Jovibarba heuffelii var. glabra from Treska Gorge, Macedonia | ||
| Jovibarba hirta 'Preissiana' | ||
| Jovibarba sobolifera 'Green Globe' | ||
| Kalimeris incisa | ||
| Kalimeris integrifolia | ||
| Kirengeshoma palmata AGM | ||
| Knautia macedonica | ||
| Kniphofia 'Buttercup' AGM | ||
| Kniphofia caulescens AGM | ||
| Kniphofia 'Fairyland' | ||
| Kniphofia 'Green Jade' | ||
| Kniphofia 'Ice Queen' | ||
| Kniphofia 'John Benary' | ||
| Kniphofia 'Percy's Pride' | ||
| Kniphofia 'Tawny King' | ||
| Lamium orvala | ||
| Lamium orvala 'Album' | ||
| Lathyrus vernus AGM | ||
| Lathyrus vernus 'Flaccidus' | ||
| Leucanthemella serotina AGM | ||
| Leucanthemum x superbum 'Snowcap' | ||
| Leucanthemum x superbum 'Sunny Killin' | ||
| Leucojum vernum var. vagneri | ||
| Lilium lancifolium 'Flore Pleno' | ||
| Lilium martagon AGM | ||
| Lilium pardalinum var. giganteum | ||
| Limonium bellidifolium | ||
| Limonium platyphyllum | ||
| Liriope muscari AGM | ||
| Liriope spicata 'Alba' | ||
| Lobelia siphilitica | ||
| Lonicera fragrantissima | ||
| Lunaria annua var. albiflora 'Alba Variegata' | ||
| Lychnis coronaria AGM | ||
| Lychnis coronaria Oculata Group | ||
| Lychnis viscaria | ||
| Lysimachia ciliata 'Firecracker' AGM | ||
| Lysimachia clethroides AGM | ||
| Lysimachia ephemerum | ||
| Lythrum salicaria 'Blush' AGM | ||
| Maianthemum bifolium | ||
| Maianthemum bifolium subsp. kamtschaticum | ||
| Maianthemum racemosum AGM | ||
| Maianthemum stellatum | ||
| Matteuccia struthiopteris AGM | ||
| Melica uniflora 'Variegata' | ||
| Meum athamanticum | ||
| Milium effusum 'Aureum' AGM | ||
| Miscanthus nepalensis | ||
| Miscanthus 'Purpurascens' | ||
| Miscanthus sinensis 'Gracillimus' | ||
| Miscanthus sinensis 'Kleine Silberspinne' AGM | ||
| Miscanthus sinensis 'Malepartus' | ||
| Miscanthus sinensis 'Pünktchen' | ||
| Miscanthus sinensis 'Silberfeder' AGM | ||
| Miscanthus sinensis 'Sioux' | ||
| Miscanthus sinensis 'Variegatus' | ||
| Miscanthus sinensis 'Yakushima Dwarf' | ||
| Miscanthus sinensis 'Zebrinus' AGM | ||
| Miscanthus transmorrisonensis | ||
| Mitella breweri | ||
| Molinia caerulea subsp. arundinacea 'Bergfreund' | ||
| Molinia caerulea subsp. arundinacea 'Windspiel' | ||
| Molinia caerulea subsp. caerulea 'Variegata' AGM | ||
| Mukdenia rossii | ||
| Muscari latifolium AGM | ||
| Nectaroscordum siculum subsp. bulgaricum | ||
| Nepeta 'Six Hills Giant' | ||
| Nerine bowdenii AGM | ||
| Omphalodes cappadocica 'Cherry Ingram' AGM | ||
| Omphalodes cappadocica 'Lilac Mist' | ||
| Omphalodes cappadocica 'Starry Eyes' | ||
| Ophiopogon planiscapus 'Little Tabby' | ||
| Ophiopogon planiscapus 'Nigrescens' AGM | ||
| Origanum laevigatum 'Herrenhausen' AGM | ||
| Origanum 'Tinpenny Pink' | ||
| Origanum vulgare 'Aureum' AGM | ||
| Origanum vulgare 'Compactum' | ||
| Paeonia delavayi var. delavayi f. lutea (S) | ||
| Paeonia mlokosewitschii AGM | ||
| Panicum virgatum 'Rehbraun' | ||
| Panicum virgatum 'Squaw' | ||
| Papaver orientale (Goliath Group) 'Beauty of Livermere' | ||
| Papaver orientale 'Graue Witwe' | ||
| Papaver orientale 'Juliane' | ||
| Papaver orientale 'Karine' AGM | ||
| Papaver orientale 'Mrs Perry' | ||
| Papaver orientale 'Patty's Plum' | ||
| Papaver orientale 'Perry's White' | ||
| Papaver orientale 'Raspberry Queen' | ||
| Papaver orientale 'Springtime' | ||
| Papaver orientale 'Türkenlouis' | ||
| Papaver pilosum | ||
| Paradisea lusitanica | ||
| Paris quadrifolia | ||
| Pennisetum orientale AGM | ||
| Persicaria amplexicaulis | ||
| Persicaria amplexicaulis 'Alba' | ||
| Persicaria amplexicaulis 'Blush Clent' | ||
| Persicaria amplexicaulis TAURUS 'Blotau' | ||
| Persicaria bistorta 'Superba' AGM | ||
| Persicaria polymorpha | ||
| Phalaris arundinacea | ||
| Phalaris arundinacea var. picta 'Feesey' | ||
| Phalaris arundinacea var. picta 'Luteopicta' | ||
| Phlomis italica | ||
| Phlomis russeliana AGM | ||
| Phlox carolina 'Bill Baker' AGM | ||
| Phlox carolina 'Magnificence' | ||
| Phlox paniculata | ||
| Phlox paniculata 'Norah Leigh' | ||
| Phlox paniculata var. alba | ||
| Phlox x arendsii 'Miss Jill' (Spring Pearl Series) | ||
| Physalis alkekengi var. franchetii | ||
| Physostegia virginiana 'Rose Queen' | ||
| Physostegia virginiana 'Vivid' AGM | ||
| Polemonium 'Lambrook Mauve' AGM | ||
| Polemonium x jacobaea | ||
| Polygonatum hirtum | ||
| Polygonatum odoratum 'Flore Pleno' AGM | ||
| Polygonatum x hybridum 'Striatum' | ||
| Polygonum scoparium | ||
| Polypodium cambricum | ||
| Polypodium interjectum 'Cornubiense' AGM | ||
| Polypodium vulgare | ||
| Polystichum munitum AGM | ||
| Polystichum setiferum Divisilobum Group | ||
| Pontederia cordata var. lancifolia | ||
| Potentilla recta var. sulphurea | ||
| Primula marginata 'Kesselring's Variety' (Au) | ||
| Primula 'Peter Klein' (Or) | ||
| Primula rosea 'Micia Visser-de Geer' (Or) | ||
| Primula sieboldii f. lactiflora (Co) | ||
| Primula veris (Pr) AGM | ||
| Primula 'Wanda' (Pr/Prim) AGM | ||
| Primula x pubescens 'Boothman's Variety' (Au) | ||
| Primula x pubescens 'Harlow Car' (Au) | ||
| Primula x pubescens 'Pat Barwick' (Au) | ||
| Primula x pubescens 'Rufus' (Au) | ||
| Prunella grandiflora 'Loveliness' AGM | ||
| Pulmonaria angustifolia AGM | ||
| Pulmonaria 'Blue Ensign' | ||
| Pulmonaria 'Diana Clare' | ||
| Pulmonaria 'Joan's Red' | ||
| Pulmonaria 'Lewis Palmer' AGM | ||
| Pulmonaria officinalis 'Blue Mist' | ||
| Pulmonaria rubra AGM | ||
| Pulmonaria rubra 'Ann' | ||
| Pulmonaria saccharata 'Dora Bielefeld' | ||
| Pulmonaria 'Sissinghurst White' AGM | ||
| Pulsatilla vulgaris AGM | ||
| Pulsatilla vulgaris var. rubra | ||
| Reineckea carnea | ||
| Rhodiola rosea | ||
| Rodgersia podophylla AGM | ||
| Rosa 'Astra Desmond' (Ra) | ||
| Rosularia sedoides var. alba | ||
| Rubus 'Betty Ashburner' | ||
| Rubus cockburnianus 'Goldenvale' AGM | ||
| Rubus 'Kenneth Ashburner' | ||
| Rubus odoratus | ||
| Rubus thibetanus AGM | ||
| Rudbeckia fulgida var. deamii AGM | ||
| Rudbeckia fulgida var. speciosa AGM | ||
| Rudbeckia fulgida var. sullivantii 'Goldsturm' AGM | ||
| Rudbeckia occidentalis 'Green Wizard' | ||
| Rudbeckia triloba | ||
| Salix hookeriana | ||
| Salvia officinalis | ||
| Sanguinaria canadensis f. multiplex 'Plena' AGM | ||
| Sanguisorba armena | ||
| Sanguisorba canadensis | ||
| Sanguisorba hakusanensis | ||
| Sanguisorba obtusa | ||
| Sanguisorba officinalis 'Arnhem' | ||
| Sanguisorba officinalis 'Pink Tanna' | ||
| Sanguisorba 'Tanna' | ||
| Sanguisorba tenuifolia 'Pink Elephant' | ||
| Sanguisorba tenuifolia var. parviflora | ||
| Sanicula europaea | ||
| Santolina pinnata subsp. neapolitana AGM | ||
| Saponaria officinalis 'Alba Plena' | ||
| Saponaria officinalis 'Betty Arnold' | ||
| Saponaria officinalis 'Rubra Plena' | ||
| Saxifraga callosa (8) AGM | ||
| Saxifraga hostii (8) | ||
| Saxifraga sempervivum (7) | ||
| Saxifraga Southside Seedling Group AGM | ||
| Saxifraga 'Whitehill' (8) AGM | ||
| Scabiosa columbaria subsp. ochroleuca | ||
| Scabiosa japonica var. alpina | ||
| Schizostylis coccinea 'Major' AGM | ||
| Schizostylis coccinea 'Mollie Gould' | ||
| Scopolia carniolica var. brevifolia | ||
| Scutellaria scordiifolia | ||
| Sedum aizoon 'Euphorbioides' | ||
| Sedum erythrostictum 'Frosty Morn' | ||
| Sedum 'Herbstfreude' AGM | ||
| Sedum hidakanum | ||
| Sedum 'Joyce Henderson' | ||
| Sedum 'Ruby Glow' AGM | ||
| Sedum spathulifolium 'Cape Blanco' AGM | ||
| Sedum spectabile AGM | ||
| Sedum spurium 'Schorbuser Blut' AGM | ||
| Sedum telephium 'Matrona' | ||
| Sempervivum 'Alpha' | ||
| Sempervivum 'Amanda' | ||
| Sempervivum arachnoideum x calcareum | ||
| Sempervivum atlanticum from Oukaïmeden, Morocco | ||
| Sempervivum 'Beta' | ||
| Sempervivum 'Blue Time' | ||
| Sempervivum 'Bronze Pastel' | ||
| Sempervivum 'Brownii' | ||
| Sempervivum calcareum 'Limelight' | ||
| Sempervivum calcareum 'Pink Pearl' | ||
| Sempervivum calcareum 'Sir William Lawrence' | ||
| Sempervivum calopticum x nevadense | ||
| Sempervivum cantabricum from Navafria, Spain | ||
| Sempervivum cantabricum x montanum subsp. stiriacum | ||
| Sempervivum ciliosum x tectorum | ||
| Sempervivum 'Corsair' | ||
| Sempervivum 'Deep Fire' | ||
| Sempervivum 'Delta' | ||
| Sempervivum 'Director Jacobs' | ||
| Sempervivum dolomiticum x montanum | ||
| Sempervivum 'Emerald Giant' | ||
| Sempervivum 'Gamma' | ||
| Sempervivum 'Gay Jester' | ||
| Sempervivum 'Hart' | ||
| Sempervivum 'Kelly Jo' | ||
| Sempervivum 'King George' | ||
| Sempervivum kosaninii | ||
| Sempervivum 'Kramer's Spinrad' | ||
| Sempervivum macedonicum | ||
| Sempervivum 'Ohio Burgundy' | ||
| Sempervivum 'Olivette' | ||
| Sempervivum 'Othello' | ||
| Sempervivum 'Red Devil' | ||
| Sempervivum 'Red Shadows' | ||
| Sempervivum reginae-amaliae from Sarpun, Turkey | ||
| Sempervivum 'Rita Jane' | ||
| Sempervivum 'Robin' | ||
| Sempervivum 'Rosie' | ||
| Sempervivum 'Rotmantel' | ||
| Sempervivum 'Rubra Ash' | ||
| Sempervivum 'Russian River' | ||
| Sempervivum 'Shirley Moore' | ||
| Sempervivum 'Shirley's Joy' | ||
| Sempervivum 'Sioux' | ||
| Sempervivum 'Spinnelli' | ||
| Sempervivum 'Springmist' | ||
| Sempervivum 'Sprite' | ||
| Sempervivum 'Strider' | ||
| Sempervivum tectorum 'Atropurpureum' | ||
| Sempervivum tectorum 'Atroviolaceum' | ||
| Sempervivum tectorum 'Nigrum' | ||
| Sempervivum tectorum x zeleborii | ||
| Sempervivum 'Titania' | ||
| Sempervivum vicentei | ||
| Sempervivum 'Virgil' | ||
| Sempervivum 'Woolcott's Variety' | ||
| Sempervivum x funckii | ||
| Serratula seoanei | ||
| Setaria viridis | ||
| Silene dioica 'Flore Pleno' | ||
| Silene dioica 'Minikin' | ||
| Silene fimbriata | ||
| Silene zawadskii | ||
| Sisyrinchium striatum | ||
| Solidago caesia | ||
| Solidago canadensis var. scabra | ||
| Solidago cutleri | ||
| Solidago 'Laurin' | ||
| Solidago rugosa 'Fireworks' | ||
| Sorbus koehneana C.K. Schneid. AGM | ||
| Spiraea bella | ||
| Stachys macrantha | ||
| Stachys officinalis 'Alba' | ||
| Stachys officinalis mauve-flowered | ||
| Stachys officinalis 'Rosea' | ||
| Sternbergia lutea | ||
| Stipa calamagrostis | ||
| Stipa gigantea AGM | ||
| Stipa tenuissima | ||
| Succisa pratensis | ||
| Tanacetum balsamita | ||
| Tellima grandiflora | ||
| Teucrium ackermannii | ||
| Teucrium chamaedrys L. | ||
| Teucrium hircanicum | ||
| Teucrium scorodonia 'Crispum Marginatum' | ||
| Thalictrum aquilegiifolium | ||
| Thalictrum delavayi AGM | ||
| Thalictrum delavayi 'Hewitt's Double' AGM | ||
| Thalictrum flavum subsp. glaucum AGM | ||
| Thalictrum isopyroides | ||
| Thymus 'Doone Valley' | ||
| Tiarella 'Martha Oliver' | ||
| Tolmiea menziesii 'Taff's Gold' AGM | ||
| Tradescantia (Andersoniana Group) 'Blue Stone' | ||
| Tradescantia (Andersoniana Group) 'Isis' AGM | ||
| Tradescantia (Andersoniana Group) 'Pauline' | ||
| Tradescantia (Andersoniana Group) 'Purple Dome' | ||
| Tradescantia virginiana 'Caerulea Plena' | ||
| Trifolium pannonicum | ||
| Trifolium rubens | ||
| Trollius europaeus | ||
| Trollius x cultorum 'Alabaster' | ||
| Tulbaghia violacea | ||
| Tulbaghia violacea 'Alba' | ||
| Uvularia grandiflora AGM | ||
| Verbascum blattaria f. albiflorum | ||
| Veronica bachofenii | ||
| Veronica peduncularis 'Georgia Blue' | ||
| Veronica 'Pink Damask' | ||
| Veronica spicata 'Alba' | ||
| Veronica spicata 'Heidekind' | ||
| Veronica spicata subsp. incana | ||
| Veronicastrum virginicum 'Alboroseum' | ||
| Vincetoxicum nigrum | ||
| Viola 'Beshlie' (Va) AGM | ||
| Viola 'Blue Moon' (C) | ||
| Viola riviniana Purpurea Group | ||
| Viola sororia 'Freckles' | ||
| Waldsteinia ternata | ||
| Zantedeschia aethiopica 'Crowborough' AGM | ||
| Zantedeschia aethiopica 'Green Goddess' AGM | ||
| Zigadenus elegans | ||
| Zizia aurea | ||
| Stachys officinalis 'Rosea' | ||
| Sternbergia lutea | ||
| Stipa calamagrostis | ||
| Stipa gigantea AGM | ||
| Stipa tenuissima | ||
| Succisa pratensis | ||
| Tanacetum balsamita | ||
| Tellima grandiflora | ||
| Teucrium ackermannii | ||
| Teucrium chamaedrys L. | ||
| Teucrium hircanicum | ||
| Teucrium scorodonia 'Crispum Marginatum' | ||
| Thalictrum aquilegiifolium | ||
| Thalictrum delavayi AGM | ||
| Thalictrum delavayi 'Hewitt's Double' AGM | ||
| Thalictrum flavum subsp. glaucum AGM | ||
| Thalictrum isopyroides | ||
| Thymus 'Doone Valley' | ||
| Tiarella 'Martha Oliver' | ||
| Tolmiea menziesii 'Taff's Gold' AGM | ||
| Tradescantia (Andersoniana Group) 'Blue Stone' | ||
| Tradescantia (Andersoniana Group) 'Isis' AGM | ||
| Tradescantia (Andersoniana Group) 'Pauline' | ||
| Tradescantia (Andersoniana Group) 'Purple Dome' | ||
| Tradescantia virginiana 'Caerulea Plena' | ||
| #VALUE! | ||
| Trifolium rubens | ||
| Trollius europaeus | ||
| Trollius x cultorum 'Alabaster' | ||
| Tulbaghia violacea | ||
| Tulbaghia violacea 'Alba' | ||
| Uvularia grandiflora AGM | ||
| Verbascum blattaria f. albiflorum | ||
| Veronica bachofenii | ||
| Veronica peduncularis 'Georgia Blue' | ||
| Veronica 'Pink Damask' | ||
| Veronica spicata 'Alba' | ||
| Veronica spicata 'Heidekind' | ||
| Veronica spicata subsp. incana | ||
| Veronicastrum virginicum 'Alboroseum' | ||
| Vincetoxicum nigrum | ||
| Viola 'Beshlie' (Va) AGM | ||
| Viola 'Blue Moon' (C) | ||
| Viola riviniana Purpurea Group | ||
| Viola sororia 'Freckles' | ||
| Waldsteinia ternata | ||
| Zantedeschia aethiopica 'Crowborough' AGM | ||
| Zantedeschia aethiopica 'Green Goddess' AGM | ||
| Zigadenus elegans | ||
| Zizia aurea | ||