Echinacea purpurea 'Ruby Giant'
Echinacea purpurea 'Fragrant Angel' PP16054 White Fragrant Coneflower
Echinacea x 'Twilight' PP17651 Big Sky Hybrid Coneflower
Echium russicum (E. rubrum) Viper's Bugloss
Ephedra minuta Miniature Joint Fir, Morman Tea
Ephedra regeliana Ma Huang, Chinese Ephedra, Dwarf Chinese Joint Fir
Epimedium acuminatum Barrenwort, Bishop's Cap
Epimedium acuminatum 'Yellow Flower' Barrenwort, Bishop's Cap
Epimedium fargesii Barrenwort, Bishop's Cap
Epimedium grandiflorum 'Alba' Barrenwort, Bishop's Cap
Epimedium grandiflorum var. 'Aureum' Barrenwort, Bishop's Cap
Epimedium latisepalum Barrenwort, Bishop's Cap
Epimedium pinnatum ssp. colchicum Barrenwort, Bishop's Cap
Epimedium pubigerum Barrenwort, Bishop's Cap
Epimedium x perralchicum 'Frohnleiten' Barrenwort, Bishop's Cap
Epimedium x rubrum Barrenwort, Bishop's Cap
Epimedium x versicolor 'Sulphureum' Barrenwort, Bishop's Cap
Epimedium x warleyense Barrenwort, Bishop's Cap
Epimedium x warleyense 'Orange Queen' Barrenwort, Bishop's Cap
Epimedium x youngianum 'Roseum' Barrenwort, Bishop's Cap
Equisetum hyemale Rough Horsetail, Scouring Rush
Equisetum scirpoides Dwarf Scouring Rush or Sedge Horsetail
Eragrostis elliotii Elliott's Love Grass, Blue Eros
Eragrostis spectabilis Purple Love Grass
Erigeron pulchellus 'LynnHaven Carpet' Daisy Fleabane
Eryngium x zabellii 'Big Blue' PP20636 Zabel Sea Holly
Eryngium yuccifolium Rattlesnake Master, Button Snakeroot
Erysimum 'Apricot Twist' Perennial Wallflower
Erysimum 'Bowles Mauve' Perennial Wallflower
Erysimum 'Fragrant Star' PPAF Variegated Wallflowers
Erysimum 'Wenlock Beauty' Perennial Wallflower
Eucomis comosa 'Peace Candles' Pineapple Lily
Eucomis pallidiflora ssp pole evansii Pineapple Lily
Eucomis x 'Rhode Island Red' Pineapple Lily
Eucomis zambesiaca Pineapple Lily
Eupatoriadelphus (Eupatorium) dubius 'Baby Joe' PPAF Double-Flowering Hemp Agrimony
Eupatoriadelphus (Eupatorium) dubius 'Little Joe' PP16112 Eastern or Coastal Plain Joe-Pye Weed
Eupatoriadelphus (Eupatorium) fistulosus Hollow Stem Joe-Pye Weed, Trumpet Weed
Eupatoriadelphus (Eupatorium) maculatum 'Bartered Bride' White Joe-Pye Weed, Boneset
Eupatoriadelphus (Eupatorium) maculatum 'Purple Bush' Spotted Joe Pye Weed
Eupatorium (Ageratina) auromaticum 'Joicus Variegated' Variegated Joe Pye Weed, Boneset, Thoroughwort
Eupatorium altissimum 'Prairie Jewel' Mist Flower, White Joe Pye Weed
Eupatorium cannabinum 'Flore Plena' Hemp Agrimony
Eupatorium perfoliatum Boneset, Thoroughwort, Feverwort, Agueweed, Indian Sage
Eupatorium purpureum Sweet Joe Pye Weed
Eupatorium rugosum (Ageratina altissima) 'Chocolate' White Snakeroot
Euphorbia amygdaloides 'Purpurea' Purple Wood Spurge
Euphorbia amygdaloides var. robbiae Robb's Wood Spurge
Euphorbia characias 'Wulfenii' Large Mediterranean Spurge
Euphorbia cyparissias 'Fen's Ruby' Spurge
Euphorbia dulcis 'Chameleon' Purple Spurge
Euphorbia martinii 'Rudolph' PP17257 Spurge
Euphorbia palustris Swamp Spurge
Euphorbia seguieriana ssp. niciciana Spurge
Euphorbia x martinii Martin's Spurge
Euphorbia x martinii 'Tiny Tim' PP16930 Dwarf Spurge
Eurybia (Aster) divaricatus White Wood Aster, Aster divaricatum
Eurybia (Aster) divaricatus 'Eastern Star' White Wood Aster, Aster divaricatum
Filipendula palmata 'Kakome Gold' Meadowsweet
Filipendula palmata 'Kakome' (Nana) Meadowsweet
Filipendula purpurea 'Elegans' Meadowsweet
Filipendula rubra Meadowsweet
Filipendula rubra 'Venusta Magnifica' Meadowsweet
Filipendula ulmaria 'Aurea' Meadowsweet, Queen of the Meadows
Filipendula vulgaris 'Flore Pleno' Douyble Meadowsweet, Dropwort , Multiplex
Foeniculum vulgare azoricum 'Rubrum' Bronze Fennel
Fragaria vesca f. semperflorens var. alba Everbearing White Strawberry
Galium odoratum (Asperula) Sweet Woodruff
Galtonia candicans Summer Hyacinth
Gaultheria procumbens Wintergreen
Gaura lindheimeri 'Siskiyou Pink' Whirling Butterflies, Appleblossom Grass
Gaura lindheimeri 'Whirling Butterflies' Whirling Butterflies, Appleblossom Grass
Gentiana 'True Blue'
Geranium 'Brookside' Cranesbill, Hardy Geranium
Geranium 'Dilys' Cranesbill, Hardy Geranium
Geranium 'Nimbus' Cranesbill, Hardy Geranium
Geranium 'Orkney Cherry' PP18263 Cranesbill, Hardy Geranium
Geranium 'Patricia' Cranesbill, Hardy Geranium
Geranium 'Rozanne' PP12175 Cranesbill, Hardy Geranium
Geranium 'Tiny Monster' Cranesbill, Hardy Geranium
Geranium macrorrhizum Cranesbill, Hardy Geranium
Geranium macrorrhizum 'Czakor' Cranesbill, Bigroot Hardy Geranium
Geranium macrorrhizum 'Ingwersen's Variety' Cranesbill, Bigroot Hardy Geranium
Geranium maculatum Wild Geranium, Spotted Geranium
Geranium maculatum 'Espresso' Wild Geranium, Spotted Geranium
Geranium orientalitibeticum Cranesbill, Hardy Geranium
Geranium pratense Meadow Cranesbill, Hardy Geranium
Geranium pratense 'Midnight Reiter' Meadow Cranesbill, Hardy Geranium
Geranium pratense 'Splish Splash' Meadow Cranesbill, Hardy Geranium
Geranium ruprechtii Cranesbill, Hardy Geranium
Geranium sanguineum Bloody Cranesbill, Hardy Geranium
Geranium sanguineum 'Album' Bloody Cranesbill, Hardy Geranium
Geranium sanguineum 'Lancastriense'
Geranium sanguineum 'Max Frei' Bloody Cranesbill, Hardy Geranium
Geranium sanguineum 'Nanum' Bloody Cranesbill, Hardy Geranium
Geranium sanguineum 'Vision' Bloody Cranesbill, Hardy Geranium
Geranium sanguineum var. striatum Bloody Cranesbill, Hardy Geranium
Geranium shikokianum Hardy Geranium, Cranesbill
Geranium soboliferum 'Butterfly Kisses' Cranesbill, Hardy Geranium
Geranium wallichianum 'Pink Penny' PP17656 Cranesbill, Hardy Geranium
Geranium wlassovianum Wlassov's Geranium, Wlassov's Cranesbill
Geranium x cantabrigiense 'Biokovo Karmina' Cranesbill, Hardy Geranium
Geranium x cantabrigiense 'Biokovo' Cranesbill, Hardy Geranium
Geranium x cantabrigiense 'Cambridge' Cranesbill, Hardy Geranium
Geranium x cantabrigiense 'St. Ola' Cranesbill, Hardy Geranium
Geranium x cantabrigiense 'Westray' PP13716 Cranesbill, Hardy Geranium
Geranium x oxonianum 'A.T. Johnson' Cranesbill, Hardy Geranium
Geranium x oxonianum 'Claridge Druce' Cranesbill, Hardy Geranium
Geranium x oxonianum 'Katherine Adele' Cranesbill, Hardy Geranium
Geranium x oxonianum 'Pearl Boland' Cranesbill, Hardy Geranium
Geum 'Eos'
Geum 'Mango Lassi' Scarlet Avens
Geum coccineum (G.x borisii) Scarlet Avens
Geum x 'Fireball' Hybrid Avens
Geum x 'Mai Tai' PPAF Hybrid Avens
Geum x 'Tequila Sunrise' PPAF Avens, Geum
Geum x heldreichii 'Georgenberg' Avens, Geum
Gillenia trifoliata (Porteranthus) Bowman's Root, Indian Physic, Fawn's Breath
Gladiolus oppositiflorus ssp. salmoneus Hardy Gladiolus
Gladiolus papilio Butterfly Gladiolus
Gladiolus x gandavensis 'Boone' Sword Lily, Hardy Gladiolus
Gladiolus x gandavensis 'Carolina Primrose Sword Lily, Hardy Gladiolus
Glaucidium palmatum, lavender pink Japanese Wood Poppy
Glaucium flavum Sea Poppy, Horned Poppy, Yellow Horned Poppy
Goniolimon tataricum German Statice
Gymnaster savatieri Gymnaster
Gypsophila paniculata 'Pink Fairy' Pink Baby's Breath
Gypsophila paniculata 'Viette's Dwarf' Baby's Breath
Gypsophila repens 'Alba' Creeping White Baby's Breath
Gypsophila repens 'Rosea' Creeping Baby's Breath
Habranthus tubispathus Copper Lily, Rain Lily, Stagger Grass
Haemanthus humilis
Haemanthus montanus South African Amaryllis Relative
Hakonechloa macra 'Albostriata' Variegated Japanese Forest Grass
Hakonechloa macra 'All Gold' Gold Japanese Forest Grass
Hakonechloa macra 'Aureola' Variegated Japanese Forest Grass
Hakonechloa macra 'Beni-kaze' Red Wind Japanese Forest Grass
Hakonechloa macra 'Briform' PPAF FUBUKI™ FABUKI Japanese Forest Grass 
Helenium 'Dancing Flames' Sneezeweed, Helen's Flower, Dogtooth Daisy
Helenium 'Moerheim Beauty' Sneezeweed, Helen's Flower, Dogtooth Daisy
Helenium 'Ruby Tuesday' PP18234 Sneezeweed, Helen's Flower, Dogtooth Daisy
Helenium pulchella 'Autumn Lollipop'
Helenium x 'Kanaria' (Canary) Sneezeweed, Helen's Flower, Dogtooth Daisy
Helenium x 'Rubinzwerg' Sneezeweed, Helen's Flower, Dogtooth Daisy
Helianthus 'Lemon Queen' Small Wood Sunflower, Small-headed Sunflower
Helianthus angustifolia Swamp Sunflower, Narrow-Leaved Sunflower
Helianthus angustifolia 'Gold Lace' Swamp Sunflorwerr, Narrow-Leaved Sunflower
Helianthus angustifolia 'Shorty' Dwarf Swamp Sunflower, Narrow-Leaved Sunflower
Helianthus maximiliani Maximillian Sunflower, Prairie Sunflower
Helianthus microcephalus Perennial Sunflower
Helianthus salicifolius Willow-leaved Sunflower, Narrow-leaved Sunflower
Helianthus salicifolius 'First Light' PP13150 Willow-leaved Sunflower, Narrow-leaved Sunflower
Helianthus salicifolius 'Low Down' PP13197 Willow-leaved Sunflower, Narrow-leaved Sunflower
Helianthus x multiflorus 'Sunshine Daydream' Double False Sunflower
Heliopsis helianthoides 'Ballerina' ('Spitzentanzerin') False Sunflower, Ox-eye, Sunflower Heliopsis
Heliopsis scabra 'Summer Sun' False Sunflower, Ox-eye, Sunflower Heliopsis
Helleborus argutifolius Corsican Hellebore, Corsican Rose
Helleborus foetidus Stinking Hellebore, Bear's Foot Hellebore
Helleborus odorus Hellebore
Helleborus orientalis Hellebore
Helleborus x hybridus 'Pine Knot Strain' Hellebore
Hemerocallis 'Buttered Popcorn' Daylily
Hemerocallis 'Chicago Sunrise' Daylily
Hemerocallis 'Condilla' Daylily
Hemerocallis 'Crimson Pirate' Daylily
Hemerocallis 'Eenie Allegro' Daylily
Hemerocallis 'Eenie Weenie' Daylily
Hemerocallis 'Happy Returns' Daylily
Hemerocallis 'Jockey Club' Daylily
Hemerocallis 'Kwanzo Flore Plena' Daylily
Hemerocallis 'Mini Pearl' Daylily
Hemerocallis 'Peach Pink' Daylily
Hemerocallis 'Penny's Worth' Daylily
Hemerocallis 'Radiant Beams' Daylily
Hemerocallis 'Rajah' Daylily
Hemerocallis 'Siloam Plum Tree' Daylily
Hemerocallis 'Siloam Royal Prince' Daylily
Hemerocallis 'Siloam Tee Tiny' Daylily
Hemerocallis 'Star Dream' Daylily
Hemerocallis 'Stella De Oro' Daylily
Hemerocallis 'Suzie Wong' Daylily
Hemerocallis 'Tanarama' Daylily
Hemiboea subcapitata (H. henryi) Glossy False Sinningia
Hepatica acutiloba f. rosea Liverleaf, Liverwort, Roundlobe Hepatica
Hepatica americana (H.nobilis var. obtusa) Liverleaf, Liverwort, Roundlobe Hepatica
Hepatica nobilis v. pyrenaica 'Appleblossom' Liverleaf, Liverwort,
Hepatica nobilis var. acuta Liverleaf, Liverwort,
Herniaria glabra Rupturewort
Hesperaloe parviflora Redflower False Yucca, Red Yucca
Heuchera 'Berry Marmalade' PPAF Coral Bells
Heuchera 'Fire Chief' PPAF Coral Bells, Alumroot
Heuchera 'Havana' PPAF Coral Bells, Alumroot
Heuchera 'Midnight Bayou' PPAF Coral Bells, Alumroot
Heuchera 'Paris' PP18881 Coral Bells
Heuchera 'Plum Royale' PP20935 Coral Bells
Heuchera sanguinea 'Snow Angel' Coral Bells, Alumroot
Heuchera villosa Coral Bells, Alumroot
Heuchera villosa 'Miracle' PPAF Hairy Alum Root
Heuchera x 'Amber Waves' PP13348 Coral Bells, Alumroot
Heuchera x 'Amethyst Myst' Coral Bells, Alumroot
Heuchera x 'Cinnabar Silver' PP18324 Coral Bells, Alumroot
Heuchera x 'Hollywood' PPAF Coral Bells, Alumroot
Heuchera x 'Marmalade' PP15945 Coral Bells, Alumroot
Heuchera x 'Midnight Rose' PP18551 Coral Bells, Alumroot
Heuchera x 'Milan' PPAF Coral Bells, Alumroot
Heuchera x 'Mysteria' PPAF Coral Bells, Alumroot
Heuchera x 'Obsidian' PP14836 Coral Bells, Alumroot
Heuchera x 'Pewter Veil' PP8964 Coral Bells, Alumroot
Heuchera x 'Purple Petticoats' Coral Bells, Alumroot
Heuchera x 'Sashay' Coral Bells, Alumroot
Heuchera x 'Sparkling Burgundy' PP17208 Coral Bells, Alumroot
Heuchera x 'Sugar Plum' PPAF Coral Bells, Alumroot
Heucherella 'Berry Fizz' PPAF Foamy Bells
Heucherella 'Solar Power' PPAF Foamy Bells, Heucherella
Heucherella 'Tapestry' PP21150 Foamy Bells
Hippeastrum evansiae ssp. evansiae
Hippeastrum papilio
Hippeastrum x johnsonii Hardy Amaryllis, St. Joseph's Lily
Hosta 'Abba Dabba Do' Hosta, Funkia
Hosta 'Allan P. McConnell' Hosta, Funkia
Hosta 'Birchwood Elegance' Hosta, Funkia
Hosta 'Blue Cadet' Hosta, Funkia
Hosta 'Bressingham Blue' Hosta, Funkia
Hosta 'Cherish' Hosta, Funkiw
Hosta 'Christmas Tree' Hosta, Funkia
Hosta 'First Mate' Hosta, Funkia
Hosta 'Fringe Benefit' Hosta, Funkia
Hosta 'Gold Edger' Hosta, Funkia
Hosta 'Gold Standard' Hosta, Funkia
Hosta 'Golden Tiara' Hosta, Funkia
Hosta 'Grand Master' Hosta, Funkia
Hosta 'Guacamole' Hosta, Funkia
Hosta 'Herifu' Hosta, Funkia
Hosta 'Inniswood' Hosta, Funkia
Hosta 'Jade Scepter' Hosta, Funkia
Hosta 'Minuteman' Hosta, Funkia
Hosta 'Moonlight' Hosta, Funkia
Hosta 'Patriot' Hosta, Funkia
Hosta 'Paul's Glory' Hosta, Funkia
Hosta 'Pearl Lake' Hosta, Funkia
Hosta 'Pilgrim' Hosta, Funkia
Hosta 'Purple Lady Fingers' Hosta, Funkia
Hosta 'Rock Princess' Hosta, Funkia
Hosta 'Royal Standard' Hosta, Funkia
Hosta 'Spritzer' Hosta, Funkia
Hosta 'Striptease' Hosta, Funkia
Hosta 'Sweet Standard' Hosta, Funkia
Hosta 'The Twister' Hosta, Funkia
Hosta 'Touch of Class' Hosta, Funkia
Hosta 'Vera Verde' Hosta, Funkia
Hosta 'Wide Brim' Hosta, Funkia
Hosta 'Wolverine' Hosta, Funkia
Hosta 'Yellow Splash Rim' Hosta, Funkia
Hosta fortunei 'Albopicta' Hosta, Funkia
Hosta fortunei 'Hyacinthina' Hosta, Funkia
Hosta kikutii Hosta, Funkia
Hosta laevigata Hosta, Funkia
Hosta lancifolia Hosta, Funkia
Hosta nigrescens 'Regal Splendor' Hosta, Funkia
Hosta undulata 'Albomarginata' Hosta, Funkia
Hosta ventricosa 'Aureomarginata' Hosta, Funkia
Hydrastis canadensis Goldenseal,
Hypoxis hirsuta Common Goldstar, Eastern Yellow Star Grass
Iberis carnosa (pruitii) Pruit's Candytuft
Iberis sempervirens 'Autumn Snow' Candytuft
Iberis sempervirens Purity' Evergreen Candytuft
Impatiens omeiana Hardy Impatiens
Indigofera kirilowii Chinese Indigo
Ipheion uniflorum Spring Starflower
Iris cristata Dwarf Crested Iris
Iris cristata 'Alba' Dwarf Crested Iris
Iris cristata 'Powder Blue Giant' Dwarf Crested Iris
Iris ensata 'Variegata' Japanese Iris
Iris pumila 'Yellow' Dwarf Bearded Iris
Iris tectorum Japanese Roof Iris
Iris tectorum 'Jimmy Stewart White Form' Japanese Roof Iris
Iris verna Vernal Iris
Iris wattii var. Bamboo Iris
Iris x 'Black Gamecock' Louisiana Iris
Jasminum parkeri Dwarf Flowering Jasmine
Jasminum sambac 'Maid of Orleans' Sacred Jasmine, Pikake, Asiatic Jasmine
Jeffersonia dubia Chinese Twinleaf
Jeffersonian diphylla Twinleaf, Helmet Pod, Ground Squirrel Pea
Juncus effusus 'Spiralis' Corkscrew Rush
Kalimeris incisa 'Blue Star' Japanese Aster
Kalimeris integrifolia Japanese Aster
Kalimeris integrifolia 'Daisy Mae'
Kalimeris yomena 'Aurea' (Asteromea) Japanese Aster
Kalimeris yomena 'Shogun' Japanese Aster
Kirengeshoma koreana Yellow Wax Bells
Kirengeshoma palmatum Yellow Wax Bells
Knautia macedonica Knautia
Knautia macedonica 'Thunder and Lightning' PPAF Variegated Knautia
Kniphofia 'Royal Standard' Red Hot Poker, Torch Lily, Tritoma
Kniphofia hirsuta 'Fire Dance' Red Hot Poker, Torch Lily, Tritoma
Kniphofia northiae Red Hot Poker, Torch Lily, Tritoma
Kniphofia uvaria 'Border Ballet' Red Hot Poker, Torch Lily, Tritoma
Kniphofia uvaria 'Candlelight' PP12343 Red Hot Poker, Torch Lily, Tritoma
Kniphofia uvaria 'Echo Mango' PPAF Red Hot Poker, Torch Lily, Tritoma
Kniphofia uvaria 'Flamenco' Red Hot Poker, Torch Lily, Tritoma
Lamium galeobdolon 'Herman's Pride' Dead Nettle , Deadnettle, Yellow Archangel
Lamium maculatum 'Beacon Silver' Spotted Dead Nettle, Deadnettle
Lamium maculatum 'Chequers' Spotted Dead Nettle, Deadnettle
Lamium maculatum 'Ghost' Spotted Dead Nettle, Deadnettle
Lancea tibetica Spotted Dead Nettle, Deadnettle
Lathyrus vernus subsp. flaccidus f. red-purple Everlasting Sweet Pea, Perennial Sweet Pea, Spring Pea, Spring Vetchling, Spring Vetch, Spring Bitte
Lathyrus vernus subsp. flaccidus f. roseus Everlasting Sweet Pea, Perennial Sweet Pea, Spring Pea, Spring Vetchling, Spring Vetch, Spring Bitte
Laurentia fluviatilis (Isotoma f.) (Pratia) Blue Star Creeper, Swamp Isotome
Laurus nobilis Bay Laurel, True Laurel, Sweet Bay, Grecian Laurel, Laurel, Bay Tree
Lavandula x intermedia 'Provence' French Lavender
Liatris ligulistylis Round-headed Blazing Star, Meadow Blazing Star, Rocky Mountain Blazing Star, Showy Blazing-Star
Liatris microcephala Dwarf Gayfeather, Gay Feather Blazing Star
Liatris microcephala 'Alba' Dwarf Gayfeather, Gay Feather, Blazing Star
Liatris pycnostachya Prairie Blazing Star, Tall Blazing Star, Kansas Gayfeather, Cattail Gayfeather
Liatris spicata 'Alba' Gay Feather, Dense Blazing Star
Liatris spicata 'Floristan Violet' Gay Feather, Dense Blazing Star
Liatris spicata 'Floristan White' Gay Feather, Dense Blazing Star
Liatris spicata 'Kobold' Gay Feather, Dense Blazing Star
Liatris squarrosa Gay Feather, Scaly Blazing Star
Ligularia dentata 'Othello' Bigleaf Ligularia, Golden Groundsel, Bigleaf Goldenray
Ligularia japonica Japanese Ligularia
Lilium formosanum Formosan Lily, Taiwanese Mountain Lily
Lilium superbum Turk's-Cap Lily, American Turkscap Lily
Limonium latifolia (Goniolimon) Sea Lavender, Statice
Linaria purpurea 'LSS Pink Form' Pink Toadflax, Perennial Toadflax
Lindernia grandiflora Blue Moneywort, Savannah False Pimpernel
Liriope muscari 'Monroe White' Lily Turf, Lilyturf,
Liriope muscari 'Pee Dee Ingot' Golden Money Grass
Liriope spicata 'Silver Dragon' Creeping Lily Turf, Lilyturf, Monkey Grass
Lithodora 'Grace Ward' Lithodora
Lobelia cardinalis Cardinal Flower
Lobelia cardinalis 'Fried Green Tomatoes' PPAF Cardinal flower
Lobelia cardinalis 'Golden Torch' PP#19,844 Golden Cardinal Flower
Lobelia chinensis Groundcover Lobelia
Lobelia laxiflora var. angustifolia Mexican Cardinal Flower
Lobelia siphilitica Cardinal Flower
Lobelia siphilitica 'Alba' Cardinal Flower
Lobelia x 'Compliment Deep Pink' Cardinal Flower
Lobelia x 'Compliment Rose Red' Cardinal Flower
Lobelia x 'Compliment Ruby Red' Cardinal Flower
Lobelia x 'Monet Moment' Cardinal Flower
Lobelia x speciosa Fan-Salmon Hybrid Cardinal Flower, Hybrid Lobelia
Lotus corniculatus Creeping Lily Turf, Lilyturf, Monkey Grass
Luzula 'Ruby Stiletto' Woodrush, Wood Rush
Luzula sylvatica 'Marginata' Variegated Greater Wood Rush
Lychnis chalcedonica Maltese Cross, Jerusalem Cross, London Pride
Lychnis flos-cuculi 'Nana' Dwarf Ragged Robin
Lychnis viscaria 'Splendens Plena' Double Catchfly
Lychnis viscaria 'Splendens' Catchfly
Lycoris aurea Spider Lily, Surprise Lily, Hurricane Lily, Resurrection Lily, Magic Lily, Naked Ladies.
Lycoris radiata Spider Lily, Surprise Lily, Hurricane Lily, Resurrection Lily, Magic Lily, Naked Ladies.
Lycoris x albiflora Spider Lily, Surprise Lily, Hurricane Lily, Resurrection Lily, Magic Lily, Naked Ladies.
Lysimachia clethroides Gooseneck Loosestrife
Lysimachia congestiflora 'Eco Dark Satin Loosestrife
Lysimachia japonica 'Minutissima' Loosestrife
Lysimachia nummularia 'Aurea' Loosestrife, Creeping Jenny
Macleaya cordata Plume Poppy, Bocconia
Malva alcea var. fastigiata Malva, Hollyhock
Malva sylvestris 'Zebrina' Striped or Tall Mallow, French Hollyhock
Malvaviscus drummondii Sleepy Hibiscus, Drummond's Hibiscus
Manfreda (Agave) virginica Manfreda, Rattlesnake Master, False Agave, American Aloe, Hauco, Amole
Manfreda maculata Rattlesnake Agave, Spice Lily
Marshallia grandiflora Giant Barbara's Buttons
Matelea obliqua Angle-pod, Climbing Milkweed
Matteuccia struthiopteris 'The King' Giant, Jumbo Ostrich, Shuttlecock Fern
Mazus reptans Mazus
Mazus reptans 'Alba' Mazus
Medeola virginiana Indian Cucumber
Meehania cordata Creeping Mint, Meehan's Mint
Melanthium virginicum Virginia Bunchflower
Melica altissima atropurpurea Siberian melicgrass
Mentha requienii Corsican Mint
Mertensia pulmonarioides (M. virginica) Virginia Bluebells, Virginia Cowslip, Oysterleaf
Mimulus ringens Allegheny Monkey Flower
Miscanthus sinensis 'Gracillimus' Maiden Grass
Miscanthus sinensis 'Graziella' Maiden Grass
Miscanthus sinensis 'Little Kitten' Dwarf Maiden Grass
Miscanthus sinensis 'Morning Light' Maiden Grass
Miscanthus sinensis 'Sarabande' Maiden Grass
Miscanthus sinensis 'Strictus' Maiden Grass
Mitchella repens Partridgeberry, Twinberry, Squaw Vine, Deerberry
Monarda 'Dark Ponticum' Oswego Tea, Bee Balm, Beebalm, Bergamot, Firecracker Plant
Monarda bradburiana 'Prairie Gypsy' White Bergamot, Eastern Bee Balm, Beebalm
Monarda didyma 'Beauty of Cobham'
Monarda didyma 'Blue Stocking' ('Blaustrumpf') Oswego Tea, Bee Balm, Beebalm, Bergamot, Firecracker Plant
Monarda didyma 'Coral Reef' PP16741 Oswego Tea, Bee Balm, Beebalm, Bergamot, Firecracker Plant
Monarda didyma 'Fireball' (Petite Red) PP14235 Oswego Tea, Bee Balm, Beebalm, Bergamot, Firecracker Plant
Monarda didyma 'Jacob Kline' Oswego Tea, Bee Balm, Beebalm, Bergamot, Firecracker Plant
Monarda didyma 'Raspberry Wine' Oswego Tea, Bee Balm, Beebalm, Bergamot, Firecracker Plant
Monarda didyma 'Snow Queen'
Monarda didyma x fistulosa 'Gardenview Scarlet' Oswego Tea, Bee Balm, Beebalm, Bergamot, Firecracker Plant
Monarda didyma x fistulosa 'Mahogany' Oswego Tea, Bee Balm, Beebalm, Bergamot, Firecracker Plant
Monarda punctata Oswego Tea, Bee Balm, Beebalm, Bergamot, Firecracker Plant
Monarda x 'ACrade' PP19580 GRAND PARADE™ Oswego Tea, Bee Balm, Beebalm, Bergamot, Firecracker Plant
Monarda x 'Petite Delight' PP10784 Oswego Tea, Bee Balm, Beebalm, Bergamot, Firecracker Plant
Muehlenbeckia axillaris (complexa) 'Nana' Creeping Wire Vine, Maidenhair Vine, Mattress Vine
Musella lasiocarpa Ornamental Banana
Myosotis palustris 'Unforgetable' PP17796 Variegated Forget Me Not
Nepeta 'Walker's Low' Catmint
Nepeta amethystina ssp. lacinata Cutleaf Catmint
Nepeta grandiflora 'Dawn to Dusk' Catmint
Nepeta grandiflora 'Wild Cat' Giant Catmint
Nepeta grossheimii Catmint
Nepeta longipes Catmint
Nepeta mussinii 'Blue Wonder' Persian Catmint, Mussin's Catmint
Nepeta mussinii (racemosa) Persian Catmint, Mussin's Catmint
Nepeta nervosa Kashmirian Catmint
Nepeta nuda Hairless Catmint
Nepeta parnassica Greek Catmint, Giant Catmint
Nepeta reichenbachiana Catmint
Nepeta sibirica Siberian Catmint
Nepeta sibirica 'Souvenir d'Andre Chaudron' Siberian Catmint
Nepeta sibthorpii Greek Catmint
Nepeta subsessilis Japanese Catmint
Nepeta subsessilis 'Candy Cat' PPAF Japanese Catmint
Nepeta subsessilis 'Cool Cat' Japanese Catmint
Nepeta x 'Joanna Reed' Catmint
Nepeta x 'Six Hills Giant' Catmint
Nepeta x faassenii 'Dropmore' Faassen's Catmint, Ornamental Catmint
Nepeta x faassenii 'Kit Kat' Faassen's Catmint, Ornamental Catmint, Dwarf Catmint
Nepeta x faassenii 'Snowflake' Faassen's Catmint, Ornamental Catmint
Nerine angustifolia
Nerine undulata Guernsey Lily, Cape Flower
Oenothera 'Cold Crick' Evening Primrose
Oenothera fruiticosa ssp glauca 'Fireworks' Narrow-leaf Evening Primrose
Oenothera kunthiana 'Glowing Magenta' Kunth's Evening Primrose
Oenothera pilosella 'Yella Fella' Evening Primrose, Prairie Sundrops
Oenothera speciosa 'Siskiyou' Mexican Evening Primrose, Showy Evening Primrose
Omphalodes verna Blue-Eyed-Mary, Creeping Forget-Me-Not
Omphalodes verna 'Alba'
Onoclea sensiblis Sensitive Fern, Bead Fern
Ophiopogon japonicus 'Nana' Dwarf Mondo Grass
Ophiopogon planiscapus 'Niger' Black Mondo Grass
Origanum rotundifolium 'Kent Beauty' Oregano
Origanum vulgare 'Aureum' Oregano
Orostachys fimbriata Dunce's Caps
Osmunda regalis var. spectablis Royal Fern
Osteospermum 'Lavender Mist' African Daisy, Cape Daisy, Sun Daisy, Osteospermum
Osteospermum barberiae var. com. 'Purple Mountain'
Oxalis crassipes Pink Wood Sorrel
Oxalis crassipes 'Alba' White Wood Sorrel
Oxalis regnellii 'Triangularis' Wood Sorrel, False Shamrock
Pachysandra procumbens Allegheny Spurge
Pachysandra terminalis Japanese Spurge, Pachysandra
Panicum virgatum 'Dallas Blues' PP11202 Switch Grass, Wand Panic Grass
Panicum virgatum 'Haense Hermes' Switch Grass, Wand Panic Grass
Panicum virgatum 'Shenandoah' Switch Grass, Wand Panic Grass
Panicum virgatum 'Trailblazer' Switch Grass, Wand Panic Grass
Pardancanda norrisii 'Dazzler' Compact Candy Lily
Pardancanda norrisii 'LSS Dandy Candy' Candy Lily
Patrinia gibbosa Patrinia
Patrinia scabiosifolia Scabious Patrinia, Golden Valerian, Golden Lace
Patrinia scabiosifolia 'Nagoya' Scabious Patrinia, Golden Valerian, Golden Lace
Pennisetum alopecuroides 'Hameln' Fountain Grass
Pennisetum alopecuroides 'Little Bunny' Fountain Grass, Dwarf Fountain Grass
Pennisetum alopecuroides 'National Arboretum' Fountain Grass
Pennisetum alopecuroides 'Piglet' PP197074 Fountain Grass
Pennisetum orientale 'Karley Rose' PP12909 Oriental Fountain Grass
Penstemon 'Dark Towers' PP20013 Beardtongue, Beard Tongue, Scarlet Bugler
Penstemon barbatus 'Coccineus' Beardtongue, Beard Tongue, Scarlet Bugler
Penstemon barbatus 'Elfin Pink' Beardtongue, Beard Tongue, Scarlet Bugler
Penstemon barbatus 'Prairie Dusk' Beardtongue, Beard Tongue, Scarlet Bugler
Penstemon campanulatus Bellflower Beardtongue, Beardlip
Penstemon hirsutus 'Pygmaeus' Dwarf Eastern Penstemon, Hairy Beardtongue
Penstemon mexicalle x 'Red Rocks' Beardtongue, Beard Tongue
Penstemon pinifolius 'Mersea Yellow' Yellow Pineleaf Penstemon
Penstemon watsonii Beardtongue, Beard Tongue
Penstemon x mexicali 'Pikes Peak Purple' Beardtongue, Beard Tongue, Scarlet Bugler
Penstemon x mexicali 'Sunburst Ruby' Beardtongue, Beard Tongue
Perovskia atriplicifolia 'Filagran' Russian Sage
Perovskia atriplicifolia 'Little Spire' PP11643 Russian Sage
Perovskia atriplicifolia 'Longin' Russian Sage
Persicaria affinis Himalayan Knotweed, Himalayan Fleece Flower, European Bistort, Fleeceflower
Persicaria affinis 'Dimity' Himalayan Knotweed, Himalayan Fleece Flower, European Bistort, Fleeceflower
Persicaria amplexicaulis 'Golden Arrow' Mountain Fleece
Persicaria microcephala 'Red Dragon' PP12062 Mountain Fleece
Persicaria polymorpha Knotweed, Fleece Flower, Tovara
Persicaria virginiana 'Lance Corporal' Jumpseed, Virginia Knotweed
Persicaria virginiana 'Painter's Palette' Jumpseed, Virginia Knotweed
Petasites japonicus 'Variegatus' Variegated Japanese Butterbur, Sweet Coltsfoot, 'Nishiki-buki'
Petrorhagia saxifraga 'Alba' Tunic Flower
Petrorhagia saxifraga 'Lady Mary' Tunic Flower
Phalaris arundinacea 'Strawberries & Cream' Ribbon Grass, Reed Canary Grass, Gardener's Garters
Phlomis fruticosa Jerusalem Sage
Phlox carolina spp. carolina 'Kim' Thickleaf Phlox
Phlox divaricata Louisiana or Wild Blue Phlox or Woodland Phlox, Wild Sweet William
Phlox divaricata 'Fuller's White' Louisiana or Wild Blue Phlox or Woodland Phlox, Wild Sweet William
Phlox divaricata 'London Grove' Louisiana or Wild Blue Phlox or Woodland Phlox, Wild Sweet William
Phlox divaricata 'Manita' Louisiana Blue Phlox, Woodland Phlox, Wild Sweet William, Wild Blue Phlox
Phlox divaricata 'Parksville Beach' Louisiana Blue Phlox, Woodland Phlox, Wild Sweet William, Wild Blue Phlox
Phlox divaricata ssp. laphamii Louisiana or Wild Blue Phlox or Woodland Phlox, Wild Sweet William
Phlox glaberrima triflora Smooth Phlox, Marsh Phlox
Phlox maculata 'Alpha' Wild Sweet William, Meadow Phlox
Phlox maculata 'Flower Power' PP17551 Wild Sweet William, Meadow Phlox
Phlox maculata 'Miss Lingard' Wild Sweet William, Meadow Phlox
Phlox maculata 'Natasha' Wild Sweet William, Meadow Phlox
Phlox paniculata 'Alexandra' PP20189 Russian Lady Garden Phlox
Phlox paniculata 'David' Garden Phlox, Fall Phlox
Phlox paniculata 'Grenadine Dream' PP19048 Dwarf Garden Phlox
Phlox paniculata 'Jeana' Garden Phlox, Fall Phlox
Phlox paniculata 'Katherine' Garden Phlox, Fall Phlox
Phlox paniculata 'Laura' Garden Phlox, Fall Phlox
Phlox paniculata 'LSS Vincent' Garden Phlox, Fall Phlox
Phlox paniculata 'Nicky' Garden Phlox, Fall Phlox
Phlox paniculata 'Robert Poore' Garden Phlox, Fall Phlox
Phlox paniculata 'Starfire' Garden Phlox, Fall Phlox
Phlox paniculata 'Thai Pink Jade' PPAF Garden Phlox
Phlox paniculata 'The King' Garden Phlox, Fall Phlox
Phlox paniculata 'Thunderbolt' Garden Phlox, Fall Phlox
Phlox pilosa 'Eco Happy Traveler' Downy Phlox, Prairie Phlox
Phlox stolonifera 'Blue Ridge' Creeping phlox, Moss phlox, Flowering moss, Ground pink, or Moss pinks
Phlox stolonifera 'Home Fires' Creeping phlox, Moss phlox, Flowering moss, Ground pink, or Moss pinks
Phlox stolonifera 'Sherwood Purple' Creeping phlox, Moss phlox, Flowering moss, Ground pink, or Moss pinks
Phlox stolonifera 'Variegata' Creeping phlox, Moss phlox, Flowering moss, Ground pink, or Moss pinks
Phlox subulata australis 'Fort Hill' Moss Phlox, Moss pink, Rock pink
Phlox x 'Minnie Pearl' Tall Phlox, Garden Phlox
Phlox x 'Morris Berd' Smooth Phlox, Marsh Phlox
Phlox x arendsii 'Baby Face' Hybrid Phlox
Phlox x arendsii 'Suzanne' Hybrid Phlox
Phygelius x rectus 'African Queen' Cape Fuchsia
Phygelius x rectus 'Funfare Wine'TM Cape Fuchsia
Phygelius x rectus 'Moonraker' Cape Fuchsia
Phygelius x rectus 'Pink Elf' Cape Fuchsia
Phygelius x rectus 'Sunshine' Cape Fuchsia
Phygelius x rectus 'Winchester Fanfare' Cape Fuchsia
Physostegia virginiana 'Summer Snow' Obedient Plant
Physostegia virginiana 'Variegata' Variegated Obedient Plant
Physostegia virginiana 'Vivid' Obedient Plant
Physotegia virginiana 'Miss Manners' PP12637 Obedient Plant
Phyteuma balbisii Rampion
Pinellia 'Polly Spout' Hybrid Pinellia, Giant Green Dragon
Pinellia cordata 'Yamazaki' Miniature Green Dragon, Sweet Arum
Pinellia cordata var.(purple flowered,white) A-99 Miniature Green Dragon, Sweet Arum
Pinellia tripartita 'Atropurpurea' Green Dragon
Platycodon grandiflorus 'Astra Blue Double' Baloon Flower
Platycodon grandiflorus 'Astra Pink' Dwarf Balloon Flower
Platycodon grandiflorus 'Fairy Snow' White Baloon Flower
Platycodon grandiflorus 'Hakone Blue' Double Balloon Flower
Platycodon grandiflorus 'Hakone White' Double Balloon Flower
Platycodon grandiflorus 'Sentimental Blue' Dwarf Balloon Flower
Podophyllum hexandrum Himalayan Mayapple
Podophyllum peltatum American Mayapple, Mandrake Root
Podophyllum pleianthum Asian Mayapple, Chinese Mayapple
Polemonium 'Bressingham Purple' PP15367 Jacob's Ladder
Polemonium reptans Creeping Jacob's Ladder
Polemonium reptans 'Stairway to Heaven' PP15187 Variegated Creeping Jacob's Ladder
Polemonium yezoense 'Purple Rain Strain' Jacob's ladder
Pollia japonica Yabumyoga
Polygonatum biflorum Solomon's Seal
Polygonatum commutatum (P. odoratum) Giant Solomon's Seal
Polygonatum falcatum (odoratum) 'Variegatum' Variegated Solomon's Seal, Fragrant Solomon's Seal, Striped Solomon's Seal
Polygonatum humile Dwarf Solomon's Seal
Polygonatum kingianum 'Orange Form' Solomon's Seal
Polygonatum multiflorum European Solomon's Seal
Polygonatum zanlanscianense Solomon's Seal
Polystichum acrostichoides Christmas Fern
Polystichum acrostichoides 'LSS Tooth & Waves' #10 Christmas Fern Cultivar
Polystichum polyblepharum Korean Tassel Fern, Bristle Fern
Polystichum tsu-simense Korean Rock Fern
Potentilla gracilis 'Pulchellum' Cinquefoil
Potentilla neumanniana (verna) Nana Spring Cinquefoil
Potentilla thurberi 'Monarch's Velvet' Scarlet Cinquefoil
Primula sieboldii 'Hot Pink' Asiatic Primrose, Cortusoides Primula
Primula sieboldii 'Pink Snowflake' Asiatic Primrose, Cortusoides Primula
Primula sieboldii 'Pink' Asiatic Primrose, Cortusoides Primula
Primula veris Cowslip Primrose, Cowslip, St. Peter's Keys, Palsywort, Tisty-Tosty, Cowflops, Culver Keys
Primula vulgaris 'Francesca' PPAF English Primrose
Prunella grandiflora 'Blueberry Ice' Big-Flowered Self-Heal, Selfheal, Heal All
Pulmonaria 'Cotton Cool' Lungwort
Pulmonaria 'Majeste' Lungwort
Pulmonaria 'Moonshine' PP13686 Lungwort
Pulmonaria longifolia ssp. cevennensis Long-leafed Lungwort
Pulmonaria rubra 'Redstart'
Pycnanthemum muticum Big Leaf Mountain Mint
Pycnanthemum pilosum Hoary Mountain Mint, Whorld Mountain Mint
Ranunculus ficaria 'Brambling' Lesser Celendine, Pilewort
Ranunculus hispidus Bristly Buttercup
Rehmmania elata (angulata) Chinese Foxglove
Reineckia carnea Chinese Reineckia
Reineckia carnea 'Variegata' Chinese Reineckia
Rheum palmatum var. tanguticum Chinese Rhubarb
Rodgersia aesculifolia Fingerleaf Rodgersia, Rodgers Flower
Rodgersia pinnata Featherleaf Rodgersisa, Rodgers Flower
Rodgersia pinnata 'Chocolate Wings' Sacred Lily, Featherleaf
Rohdea japonica Nippon Lily, Sacred Lily
Roscoea capitata Zang xiang ya shen, Tibetan Ginger
Roscoea purpurea 'Cinnamon Stick' Roscoea
Rudbeckia fulgida var. deamii Deam's Coneflower
Rudbeckia fulgida var. sullivanti 'Goldsturm' Black-Eyed Susan, Orange Coneflower
Rudbeckia hirta 'Prairie Sun' Black-eyed Susan, Gloriosa Daisy, Yellow Ox-eye Daisy
Rudbeckia laciniata Cutleaf Black Eyed Susan or Golden Glow Coneflower
Rudbeckia maxima Great Coneflower, Cabbage Leaf Coneflower
Rudbeckia missouriensis Missouri Orange Coneflower
Rudbeckia nitida 'Herbstonne' Cutleaf Coneflower
Rudbeckia occidentalis 'Black Beauty' PP12648 Black Eyed Susan, Western Coneflower
Rudbeckia subtomentosa Sweet Black-Eyed Susan
Rudbeckia subtomentosa 'Henry Eilers' Sweet Black-Eyed Susan
Ruellia humilis Wild Petunia
Ruta graveolens 'Blue Mound' Common Rue, Garden Rue, Herb of Grace, Herbygrass
Saccharum (Erianthus) ravennae Raven Grass
Salvia 'California Sunset' Sage
Salvia azurea 'Grandiflora' Azure Sage
Salvia azurea 'Nekan' Pitcher Sage, Wild Blue Sage, Azure Sage
Salvia chamaedryoides Germander Sage, Blue Oak Sage
Salvia cleistogama Wild Clary Sage, Vervain Salvia
Salvia coccinea 'Bicolor' Hummingbird Sage, Texas Sage, Scarlet Sage
Salvia darcyi Red Mountain Sage, Fiery Sage
Salvia elegans Pineapple Sage
Salvia forskaohlei Sage
Salvia greggii 'Desert Blaze' Autumn Sage
Salvia greggii 'Flame' Autumn Sage
Salvia greggii 'Furman's Red' Autumn Sage, Furman's Red Texas Sage
Salvia greggii 'Lipstick' Autumn Sage
Salvia greggii 'Purple' Autumn Sage
Salvia greggii x lemmonii 'Raspberry Royal' Autumn Sage
Salvia guaranitica 'Black & Blue' Blue Anise Sage, Brazilian Sage
Salvia guaranitica 'Omaha Gold' Blue Anise Sage, Brazilian Sage
Salvia koyamae Japanese Yellow Sage
Salvia leucantha Mexican Bush Sage
Salvia leucantha 'Santa Barbara' PP12949 Mexican Bush Sage, Dwarf Velvet Sage
Salvia microphylla 'Hoja Grande' Baby Sage, Blackcurrant Sage, Cherry Sage, Delta Sage, Graham's Sage, Little Leaf Sage
Salvia microphylla 'Orange Door' Baby Sage, Blackcurrant Sage, Cherry Sage, Delta Sage, Graham's Sage, Little Leaf Sage
Salvia microphylla 'San Carlos Festival' Baby Sage, Blackcurrant Sage, Cherry Sage, Delta Sage, Graham's Sage, Little Leaf Sage
Salvia microphylla 'Wild Watermelon' Baby Sage, Blackcurrant Sage, Cherry Sage, Delta Sage, Graham's Sage, Little Leaf Sage
Salvia nemorosa 'Blauhugel' Violet Sage, Ornamental Meadow Sage, Balkan Clary, Perennial Woodland Sage
Salvia nemorosa 'Carradonna Sage' Violet Sage, Ornamental Meadow Sage, Balkan Clary, Perennial Woodland Sage
Salvia nemorosa 'Schneehugel' Violet Sage, Ornamental Meadow Sage, Balkan Clary, Perennial Woodland Sage
Salvia pachyphylla Giant Flowered Purple Sage
Salvia reptans Cobalt Sage
Sanguinaria canadensis Bloodroot
Saponaria lempergii 'Max Frei' Giant flowered Soapwort
Saponaria ocymoides Rock soapwort
Saponaria officinalis 'Flore Plena' Double Pink Soapwort, Bouncing Bet, Goodbye Summer
Saponaria pamphylica Soapwort
Satureja montana Savory
Saururus cernuus Lizard's Tail, Water Dragon
Saxifraga cuneifolia Robertsoniana Saxifrage
Saxifraga stolonifera Strawberry Begonia, Strawberry Geranium, Roving Sailor
Saxifraga veitchiana Strawberry Begonia, Strawberry Geranium, Roving Sailor
Saxifraga x urbium 'Aurea Punctata' London Pride
Scabiosa columbaria 'Butterfly Blue' Pincushion Flower
Scabiosa japonica 'Pink Diamonds' Dwarf Pincushion Flower
Schizachyrium scoparium 'The Blues' Little Bluestem Grass
Schizostylis coccinea 'Red' Kaffir Lily
Scilla numidica Fall Squill
Scilla scilloides Squill
Scutellaria baicalensis Chinese Scullcap, Baikal Skullcap, Golden Root, Helmet Flower
Scutellaria incana Downy Skullcap
Scutellaria suffrutescens Cherry Scullcap, Pink Texas Skullcap
Sedum 'Beka' PP18398 (AUTUMN DELIGHT™) Variegated Stonecrop
Sedum 'Sunset Cloud' Showy Stonecrop
Sedum album 'Coral Carpet' White Stonecrop
Sedum bithynicum Turkish Sedum
Sedum cauticola Stonecrop
Sedum emarginatum 'Eco-Mt. Emei' Chinese Sedum, Emarginate Stonecrop
Sedum hispanicum 'Purple Form Stonecrop, Tiny Buttons
Sedum kamtschaticum 'Floriferum' Stonecrop
Sedum lineare 'Golden Teardrop' Stonecrop
Sedum lineare 'Variegatum' Carpet Sedum
Sedum makinoi 'Ogon' Golden Japanese Sedum
Sedum makinoi 'Variegata' Variegated Japanese Sedum
Sedum rupestre 'Sea Gold' Jenny's Stonecrop, Crooked Yellow Sedum, Stone Orpine, Spruce-leaved Stonecrop, Prickmadam, Reflexed Evergreen Sedum, Love Links
Sedum rupestre (reflexum) Jenny's Stonecrop, Crooked Yellow Sedum, Stone Orpine, Spruce-leaved Stonecrop, Prickmadam, Reflexed Evergreen Sedum, Love Links
Sedum sexangulare 'Watch Chain' Stonecrop
Sedum sieboldii 'Nana' Stonecrop
Sedum sieboldii (Blue Form) Stonecrop
Sedum sieboldii (Green Form) Stonecrop
Sedum spectabile 'Brilliant' Showy Stonecrop
Sedum spectabile 'Matrona' Showy Stonecrop
Sedum spectabile 'Neon' Showy Stonecrop
Sedum spectabile 'Old Maryland' Showy Stonecrop
Sedum spectabile x telephium 'Autumn Joy' Showy Stonecrop
Sedum spurium 'Fuldaglut' Two-row Stonecrop
Sedum spurium 'John Creech' Stonecrop
Sedum spurium 'Voodoo' Two-row Stonecrop
Sedum ternatum Woodland Stonecrop
Sedum tetractinum Stonecrop
Sedum x 'Carl' Stonecrop
Sedum x 'Purple Emperor' Showy Stonecrop
Sedum x 'Thundercloud' PPAF Mounding Stonecrop
Sedum x cauticolum 'Bertram Anderson' Stonecrop
Sedum x cauticolum 'Vera Jameson' Stonecrop
Selaginella braunii Spikemoss
Selaginella moellendorffii Gemmiferous Spikemoss
Selaginella uncinata Peacock Spikemoss
Semiaquilegia ecalcarata Spurless Columbine
Sempervivum 'Ann Christy' Houseleek, Hens and Chicks, Live-forever
Sempervivum 'Blue Boy' Houseleek, Hens and Chicks, Live-forever
Sempervivum 'Kalinda' Houseleek, Hens and Chicks, Live-forever
Sempervivum 'Lipstick' Houseleek, Hens and Chicks, Live-forever
Sempervivum 'Madame Lorene' Houseleek, Hens and Chicks, Live-forever
Sempervivum 'Monica' Houseleek, Hens and Chicks, Live-forever
Sempervivum 'Novak' Houseleek, Hens and Chicks, Live-forever
Sempervivum 'Oddity' Houseleek, Hens and Chicks, Live-forever
Sempervivum 'Pacific Deep' Houseleek, Hens and Chicks, Live-forever
Sempervivum 'Pink Charm' Houseleek, Hens and Chicks, Live-forever
Sempervivum 'Polaris' Houseleek, Hens and Chicks, Live-forever
Sempervivum 'Red Beauty' Houseleek, Hens and Chicks, Live-forever
Sempervivum 'Ruby Hearts' Houseleek, Hens and Chicks, Live-forever
Sempervivum 'Saturn' Houseleek, Hens and Chicks, Live-forever
Sempervivum 'Sunset' Houseleek, Hens and Chicks, Live-forever
Sempervivum 'Trazo' Houseleek, Hens and Chicks, Live-forever
Sempervivum 'White Ladies' Houseleek, Hens and Chicks, Live-forever
Sempervivum arachnoideum 'Cobweb' Houseleek, Hens and Chicks, Live-forever
Sempervivum arachnoideum 'Medium Rosetta' Houseleek, Hens and Chicks, Live-forever
Sempervivum pilosum Houseleek, Hens and Chicks, Live-forever
Sempervivum pilosum 'Aunt Bobby' Houseleek, Hens and Chicks, Live-forever
Sempervivum sarach pihonii Houseleek, Hens and Chicks, Live-forever
Sesleria caerulea Blue Moor Grass
Silene caroliniana 'Short and Sweet' Carolina Catchfly
Silene caroliniana var. wherryi Wherryi's Catchfly, Carolina Catchfly
Silene dioica 'Male Flower' Male Red Campion
Silene virginica Fire Pink, Scarlet Catchfly
Silene virginica 'Pink Form' Fire Pink, Scarlet Catchfly
Silphium compositum var compositum TN Kidneyleaf Rosinweed
Silphium perfoliatum Cup Plant
Sisyrinchium angustifolium 'Mrs. Spivey Blue-Eyed Grass
Sisyrinchium californicum Blue Eyed Grass
Smilacina racemosa False Solomon's Seal, Spikenard, Solomon's Plume, Feathery False Lily of the Valley
Solidago caesia Wreath Goldenrod, Woodland Goldenrod, Blue-stemmed Goldenrod
Solidago canadensis 'Baby Gold' Dwarf Goldenrod
Solidago rugosa 'Fireworks' Variegated Goldenrod
Solidago shortii 'Solar Cascade' Short's Goldenrod
Solidago species Gayfeather
Solidago sphacelata 'Golden Fleece' Dwarf Goldenrod
Solidago x 'Golden Baby' ('Goldkind') Hybrid Goldenrod
Solidago x 'Little Lemon' PP17927 Dwarf Goldenrod
Sphaeralcea coccinea Prairie Mallow, Scarlet Globemallow, Cowboy's Delight
Spigelia marilandica Indian Pink
Spiranthes cernua f. odorata 'Chadds Ford' Fragrant Ladies Tresses
Stachys 'Helen Von Stein Zeppelin' Lamb's Ear
Stachys coccinea Texas Betony, Scarlet Hedgenettle
Stachys grandiflora 'Rosea' Betony
Stachys minima Dwarf Betony
Stachys minor 'Alba' Betony
Stachys monieri 'Hummelo' Alpine Betony, White Betony
Stachys officinalis Betony, Wood Betony, Lousewort, Bishopswort
Stachys strictiflora var. strictiflora Stachys
Sternbergia lutea Winter Daffodil, Fall Crocus
Stipa (Nassella) capillata Feather Grass
Stipa (Nassella) tenuissima Feather Grass
Stokesia laevis 'Blue Danube' Stokes' Aster, Stokes Aster, Cornflower Aster
Stokesia laevis 'Color Wheel' PP12718 Stoke's Aster, Stokes Aster
Stokesia laevis 'Klaus Jelitto' Stoke's Aster, Stokes Aster
Stokesia laevis 'Mary Gregory' Stoke's Aster, Stokes Aster
Stokesia laevis 'Purple Parasols' PP10660 Stoke's Aster, Stokes Aster
Stokesia laevis 'Silver Moon' Stoke's Aster, Stokes Aster
Stokesia laevis 'Wyoming' Stoke's Aster, Stokes Aster
Stylophorum diphyllum Celandine Poppy, Wood Poppy
Symphyotrichum (Aster) carolinianum Climbing Carolina Aster, Aster carolinianus
Symphyotrichum (Aster) dumosum 'Alert' Bushy Aster, Rice Button Aster, Aster dumosus
Symphyotrichum (Aster) dumosum 'Professor Kippenburg' Bushy Aster, Rice Button Aster, Aster dumosus
Symphyotrichum (Aster) dumosum 'Wood's Blue' Bushy Aster, Rice Button Aster, Aster dumosus
Symphyotrichum (Aster) dumosum 'Wood's Pink' Bushy Aster, Rice Button Aster, Aster dumosus
Symphyotrichum (Aster) dumosum 'Wood's Purple' Bushy Aster, Rice Button Aster, Aster dumosus
Symphyotrichum (Aster) ericoides 'Snow Flurry' Heath Aster, Squarrose White Aster, Tufted White Prairie Aster, Aster ericoides
Symphyotrichum (Aster) laeve 'Bluebird' Smooth Aster, Aster laevis
Symphyotrichum (Aster) laeve 'Kurt' Smooth Aster, Aster laevis
Symphyotrichum (Aster) lateriflorum 'Lady in Black' Calico Aster, Goblet Aster, Side-Flowering Aster, Aster lateriflorus
Symphyotrichum (Aster) lateriflorum 'Lovely' Calico Aster, Goblet Aster, Side-Flowering Aster, Aster lateriflorus
Symphyotrichum (Aster) novae-angliae 'Alma Potschke' New England Aster, Hardy Aster, Michaelmas Daisy, Aster novae-angliae
Symphyotrichum (Aster) novae-angliae 'Hella Lacy' New England Aster, Hardy Aster, Michaelmas Daisy, Aster novae-angliae
Symphyotrichum (Aster) novae-angliae 'Honeysong Pink' New England Aster, Hardy Aster, Michaelmas Daisy, Aster novae-angliae
Symphyotrichum (Aster) novae-angliae 'LSS Hello Rhonda!' New England Aster, Hardy Aster, Michaelmas Daisy, Aster novae-angliae
Symphyotrichum (Aster) novae-angliae 'Purple Dome' New England Aster, Hardy Aster, Michaelmas Daisy, Aster novae-angliae
Symphyotrichum (Aster) novae-angliae 'Vibrant Dome' PP19538 New England Aster
Symphyotrichum (Aster) novi-belgii 'Jenny' New York Aster, Michaelmas Daisy, Aster novi-belgii
Symphyotrichum (Aster) novi-belgii 'Raspberry Swirl' New York Aster, Michaelmas Daisy, Aster novi-belgii
Symphyotrichum (Aster) novi-belgii 'Royal Opal' New York Aster, Michaelmas Daisy, Aster novi-belgii
Symphyotrichum (Aster) novi-belgii 'Schneekissen' New York Aster, Michaelmas Daisy, Aster novi-belgii
Symphyotrichum (Aster) novi-belgii 'Tiny Tot' New York Aster, Michaelmas Daisy, Aster novi-belgii
Symphyotrichum (Aster) oblongifolium 'Dream of Beauty' Aromatic Aster, Fall Aster, Aster oblongifolius
Symphyotrichum (Aster) oblongifolium 'Fanny' Aromatic Aster, Fall Aster, Aster oblongifolius
Symphyotrichum (Aster) oblongifolium 'October Skies' Aromatic Aster, Fall Aster, Aster oblongifolius
Symphyotrichum (Aster) oblongifolium 'Raydon's Favorite' Aromatic Aster, Fall Aster, Aster oblongifolius
Symphyotrichum (Aster) pilosum Downy Aster, White Heath Aster, White Old-field Aster, Aster pilosus
Symphyotrichum (Aster) puniceum 'Eric's Big Blue' Purple-stemmed Aster, Swamp Aster, Aster puniceus
Symphyotrichum x 'Lalla' Hybrid Aster
Symphytum 'Goldsmith' Variegated Comfrey
Symphytum rubrum Red Comfrey
Tanacetum vulgare 'Crispum' Tansy
Tanacetum vulgare 'Isla Gold Gold Leaf Tansy
Teucrium chamaedrys 'Alba' Wall Germander
Teucrium chamaedrys 'Nana' Dwarf Wall Germander
Teucrium chamaedrys 'Summer Sunshine' Wall Germander
Teucrium hircanicum Iranian or Caucasian Germander
Teucrium hircanicum 'Paradise Delight' Iranian or Caucasian Germander
Teucrium majoricum (T.cossonii) Fruity Germander
Thalictrum aquilegifolium Greater Meadow Rue, Columbine Meadow Rue
Thalictrum delavayi 'Hewitt's Double' Yunnan Meadow Rue, Chinese Meadow Rue
Thalictrum flavum subsp. glaucum Yellow Meadow Rue
Thalictrum ichangense Meadow Rue
Thalictrum ichangense 'Evening Star Strain' Chinese Meadowrue
Thalictrum lucidum Yellow Meadow Rue, Columbine Meadow Rue
Thalictrum rochebrunianum Meadow Rue, Columbine Meadow Rue
Thelypteris decursive pinnata Beech Fern
Thelypteris noveboracensis New York Fern
Thelypteris palustris Marsh Fern
Thermopsis caroliniana (T.macrophylla) Carolina Bushpea, Carolina Lupine, Aaron's Rod, Blue Ridge Buckbean
Thermopsis chinensis 'Sophia' Pea Bush, Chinese Bushpea
Thermopsis fabacea Bush Pea
Tiarella 'Candy Striper' PP15528 Foamflower, Foam Flower
Tiarella 'Crow Feather' PP12335 Foamflower, Foam Flower
Tiarella 'Iron Butterfly' PP12396 Foamflower
Tiarella 'Jeepers Creepers' PP13437 Foamflower, Foam Flower
Tiarella 'Mystic Mist' PPAF Foamflower, Foam Flower
Tiarella 'Oregon Trail' PPAF Foamflower
Tiarella 'Pink Skyrocket' PP13382 Foamflower, Foam Flower
Tiarella 'Spring Symphony' PP12397 Foamflower, Foam Flower
Tiarella 'Sugar and Spice' PP16738 Foamflower, Foam Flower
Tiarella cordifolia Foamflower, Foam Flower
Tiarella cordifolia 'Brandywine' Foamflower, Foam Flower
Tiarella cordifolia 'Delaware' Foamflower, Foam Flower
Tiarella cordifolia 'Octoraro' Foamflower, Foam Flower
Tiarella cordifolia 'Running Tapestry' Foamflower, Foam Flower
Tiarella cordifolia 'Susquehanna' Foamflower, Foam Flower
Tiarella wherryi 'George Shenk Pink' Foamflower, Foam Flower
Tiarella wherryi 'Oakleaf' Foamflower, Foam Flower
Tiarella wherryi x cordifolia 'Elizabeth Oliver' Foamflower, Foam Flower
Tigridia pavonia 'Sunset in Oz' Tiger Flower, Mexican
Tipularia discolor Cranefly Orchid, Crippled Crane Fly Orchid
Tradescantia (Setcreasea) pallida Purple Heart, Purple Queen, Wandering Jew
Tradescantia subaspera 'LSS Lazy Blue' Spiderwort
Tradescantia x andersoniana 'Bilberry Ice' Dwarf Virginia Spiderwort, Widow's-Tears
Tradescantia x andersoniana 'Blue and Gold' Spiderwort
Tradescantia x andersoniana 'Blueberry Sundae' Spiderwort
Tradescantia x andersoniana 'Innocence' Virginia Spiderwort, Widow's-Tears
Tradescantia x andersoniana 'Little Doll' Spiderwort
Tradescantia x andersoniana 'Osprey' Virginia Spiderwort, Widow's-Tears
Tradescantia x andersoniana 'Purple Profusion' Virginia Spiderwort, Widow's-Tears
Tradescantia x andersoniana 'Rubra' Virginia Spiderwort, Widow's-Tears
Tradescantia x andersoniana 'Sweet Kate' Virginia Spiderwort, Golden Spiderwort
Trautvetteria caroliniensis Carolina Tassle Rue, False Bugbane
Tricyrtis 'Shirohotogisu' Toadlily
Tricyrtis 'Togen' Toadlily
Tricyrtis formosana 'Gilt Edge' Toadlily
Tricyrtis formosana (T. stolonifera) Toadlily
Tricyrtis hirta 'Blue Wonder' Toadlily
Tricyrtis hirta 'Moonlight' Toadlily
Tricyrtis latifolia 'Yellow Sunrise' PPAF Toadlily
Tricyrtis macropoda Toadlily
Tricyrtis ohsumiensis Yellow Toadlily
Tricyrtis sinonome Toadlily
Trifolium repens 'Dragon's Blood' Ladino Clover, White Clover, White Dutch Clover
Trillium catesbaei Bashful Wakerobin
Trillium grandiflorum Trillium, Wake Robin
Trillium luteum Yellow Trillium
Trillium pusillum Least Trillium
Trillium recurvatum Prairie Trillium, Red Trillium, Bloody Butcher, Brown Bess, Wake-Robin
Trillium sessile Toadshade, Wake Robin
Triosteum erythrocarpum Horse Gentian, Himalayan Feverwort
Tritonia disticha Flame Freesia
Tritonia drakensbergensis Flame Freesia
Trollius chinensis Chinese Globe Flower
Trollius chinensis 'Golden Queen' Chinese Globe Flower
Trollius x cultorum 'Cheddar' Garden Globeflower
Uvularia grandiflora Large Bellwort
Uvularia perfoliata Merry Bells, Dwarf Merrybells, Wild Oats
Uvularia sessilifolia Merry Bells, Sessile Bellworts, Wild Oats
Valeriana officinalis Valerian, Garden Heliotrope, All Heal
Veratrum formosanum Veratrum
Verbena bonariensis Purpletop Vervain, Brazilian Verbena, Upright Verbena
Verbena canadensis 'Pink Pepper' Rose Vervain, Canadian Verbena
Vernonia fasciculata Ironweed
Vernonia fasciculata var. alba White Ironweed
Vernonia lettermanii 'Iron Butterfly' Letterman's Ironweed
Vernonia noveboracensis New York Ironweed
Veronica austriaca ssp. teucrium 'Crater Lake Blue' Speedwell
Veronica incana 'Pure Silver' Silver Speedwell, Wooly Speedwell
Veronica liwanensis Turkish Speedwell
Veronica longifolia 'Sonja' Speedwell, Long Leaf Veronica
Veronica pectinata Woolly Speedwell, Woolly Veronica
Veronica peduncularis 'Georgia Blue' Speedwell
Veronica repens 'Sunshine' Creeping Speedwell
Veronica spicata 'Darwin's Blue' PP13070 Spiked Speedwell
Veronica spicata 'Icicle' Spiked Speedwell
Veronica spicata 'Romiley Purple' Spiked Speedwell
Veronica spicata 'Rotfuchs' Spiked Speedwell
Veronica spicata 'Royal Candles'TM Spiked Speedwell
Veronica spicata 'Sunny Border Blue' Spiked Speedwell
Veronica subsessilis 'Sun Queen' Speedwell
Veronica wormskjoldii Speedwell
Veronica x 'Waterperry Blue' Speedwell
Veronicastrum sibericum Culver's Root
Veronicastrum virginicum Culver's Root, Bowman's Root, Black Root
Veronicastrum virginicum 'Apollo' Culver's Root, Bowman's Root, Black Root
Veronicastrum virginicum 'Fascination' Culver's Root, Bowman's Root, Black Root
Veronicastrum virginicum 'Lavendelturm' Culver's Root, Bowman's Root, Black Root
Vinca Minor '24 Carat' PP20289 Common Periwinkle, Creeping Myrtle, Flower-of-Death
Vinca minor 'Alba' Common Periwinkle, Creeping Myrtle, Flower-of-Death
Viola 'Heartthrob' PP19996 Violet
Viola betonicifolia var. oblongo-sagittata Dawn or Arrowhead Violet
Viola canadensis Canadian Violet
Viola dissecta var. chaerophylloides Cut-leaf Violet
Viola labradorica Labrador Violet
Viola mandschurica 'Fuji Dawn' Variegated Violet
Viola odorata 'Rosina' STERILE English, Garden or Sweet Violet
Viola palmata Early Spring Violet
Viola pedata Bird's Foot Violet, Crow Foot Violet
Viola walteri 'Silver Gem' Appalachian Blue Violet
Waldsteinia fragarioides Barren Strawberry
Waldsteinia geoides Barren Strawberry
Waldsteinia ternata Barren Strawberry
Watsonia latifolia Watsonia
Woodwardia virginica Virginia Chain Fern, Woodwardie de Virginie
Yucca flaccida 'Garland Gold' Thread Yucca
Zephyranthes 'Labuffarosea White' Rain Lily, Fairy Lily, Zephyr Lily
Zephyranthes 'Labuffarosea' Rain Lily, Fairy Lily, Zephyr Lily
Zephyranthes 'Lily Pies' Rain Lily, Fairy Lily, Zephyr Lily
Zephyranthes 'Redneck Romance' Rain Lily, Fairy Lily, Zephyr Lily
Zephyranthes candida Rain Lily, Fairy Lily, Zephyr Lily
Zephyranthes citrina Rain Lily, Fairy Lily, Zephyr Lily
Zephyranthes flavissima Yellow Rain Lily
Zephyranthes grandiflora Pink Rain Lily, Fairy Lily, Zephyr Lily
Zephyranthes jonesii Jones' Rain Lily, Rainlily, Fairy Lily, Zephyr Lily
Zephyranthes nymphaea Rain Lily, Rainlily, Fairy Lily, Zephyr Lily
Zephyranthes primulina Rain Lily, Fairy Lily, Zephyr Lily
Zephyranthes reginae Valles Yellow Rain Lily, Fairy Lily, Zephyr Lily
Zephyranthes smallii Small's Rain Lily, Rainlily, Fairy Lily, Zephyr Lily
Zizia aptera Heart-Leaf Golden Alexanders, Meadow Parsnip
Zizia aurea Golden Alexanders