| Echinacea 'Cheyenne Spirit' |
| Echinacea 'Irrisistible' |
| Echinacea 'Sandy Yellow' |
| Echinacea 'Sunseekers Coral' |
| Echinacea 'Sunseekers Magenta' |
| Echinacea 'Sunseekers Salmon' |
| Echinacea 'Sunseekers White' |
| Echinacea Purpurea |
| Echinacea Purpurea 'Alba' |
| Echinacea Purpurea 'Magnus' |
| Echinops Ritro |
| Echinops Sphaeraceum 'Arctic Glow' |
| Elaeagnus Ebbingei |
| Elaeagnus Ebbingei 'Gilt Edge' |
| Elaeagnus Ebbingei 'Limelight' |
| Elaeagnus Pungens 'Maculata' |
| Elaeagnus Umbellata |
| Enkianthus Campanulatus |
| Enkianthus Campanulatus 'Red Bells' |
| Eomecon Chionantha |
| Epilobium Angustifolium 'Album' |
| Epimedium 'Amber Queen' |
| Epimedium 'Asiatic Hybrid' |
| Epimedium 'Flowers Of Sulphur' |
| Epimedium 'Pink Champagne' |
| Epimedium 'Pink Elf' |
| Epimedium Grandiflorum |
| Epimedium Grandiflorum 'Lilafee' (Lilac Fairy) |
| Epimedium Grandiflorum 'Purple Pixie' |
| Epimedium Grandiflorum 'Red Beauty' |
| Epimedium Perralchicum 'Frohnleiten' |
| Epimedium Pinnatum Ssp. Colchicum |
| Epimedium Rubrum |
| Epimedium Versicolor 'Cupreum' |
| Epimedium Versicolor 'Sulphureum' |
| Epimedium Versivcolor 'Neosulphureum' |
| Epimedium Warlyense |
| Epimedium X Warleyense 'Ellen Wilmott' |
| Epimedium X Warleyense 'Orangekonigin' |
| Epimedium Youngianum 'Niveum' |
| Erica Carnea 'Kramers Red' |
| Erica Darleyensis 'Darley Dale' |
| Erica Darleyensis 'Mary Helen' |
| Erica Darleyensis 'White Perfection' |
| Erigeron 'Darkest Of All' |
| Erigeron 'Dignity' |
| Erigeron 'Dimity' |
| Erigeron 'Dominator' |
| Erigeron 'Quakeress' |
| Erigeron 'Sincerity' |
| Erigeron 'White Quakeress' |
| Erigeron Glaucus 'Elstead Pink' |
| Erigeron Glaucus 'Sea Breeze' |
| Erigeron Karvinskianus |
| Erigeron Karvinskianus 'Profusion' |
| Erigeron Philadelphicus |
| Erodium 'Almodovar' |
| Erodium 'Frans Delight' |
| Erodium 'Freedom' |
| Erodium 'Marlya' |
| Erodium 'Purple Haze' |
| Erodium 'Spanish Eyes' |
| Erodium Chrysanthum |
| Erodium Guttatum |
| Erodium Manescavii |
| Erodium Pelargoniiflorum |
| Erodium X Variabile 'Bishops Form' |
| Eryngium Agavifolium |
| Eryngium Giganteum 'Miss Wilmotts Ghost' |
| Eryngium Planum |
| Eryngium Planum 'Blue Hobbit' |
| Eryngium Proteiflorum |
| Eryngium Variifolium 'Miss Marble' |
| Erysimum 'Apricot Twist' |
| Erysimum 'Bowles Mauve' |
| Erysimum 'Red Jep' |
| Erythronium 'White Beauty' |
| Erythronium Dens-canis |
| Erythronium Revolutum |
| Escallonia 'Appleblossom' |
| Escallonia 'Golden Carpet' |
| Escallonia 'Peach Blossom' |
| Escallonia 'Pink Elle' |
| Escallonia 'Red Elf' |
| Eucalyptus Pulverulenta 'Baby Blue' |
| Eucomis 'Sparkling Rosy' |
| Eucomis 'Twinkle Stars' |
| Eucomis Autumnalis 'White Dwarf' |
| Eucomis Bicolor |
| Eucomis Vandermerwei 'Octopus' |
| Euonymus Alatus |
| Euonymus Alatus 'Compactus' |
| Euonymus Europaeus 'Red Cascade' |
| Euonymus Fortunei 'Country Gold' |
| Euonymus Fortunei 'Emerald 'N Gold' |
| Euonymus Fortunei 'Emerald Gaiety' |
| Euonymus Fortunei 'Harlequin' |
| Euonymus Fortunei 'Silver Queen' |
| Euonymus Fortunei 'Wolong Ghost' |
| Euonymus Japonicus 'Green Rocket' |
| Euonymus Japonicus 'Palomo Blanca' |
| Eupatorium Cannabinum 'Flore Pleno' |
| Eupatorium Maculatum 'Atropurpureum' |
| Eupatorium Rugosum 'Chocolate' |
| Euphorbia 'Blue Haze' |
| Euphorbia 'Martinii' |
| Euphorbia 'Wulfenii' |
| Euphorbia Amygdaloides 'Purpurea' |
| Euphorbia Amygdaloides Var. Robbiae |
| Euphorbia Characias 'Black Pearl' |
| Euphorbia Characias 'Silver Edge' |
| Euphorbia Cyparissias |
| Euphorbia Griffithii 'Dixter' |
| Euphorbia Martinii 'Ascot Rainbow' |
| Euphorbia Palustris |
| Euphorbia Polychroma |
| Euphorbia Polychroma 'First Blush' |
| Euphorbia Polychroma 'Lacy' |
| Euphorbia Polychroma 'Purpurea' |
| Euphorbia Schillingii |
| Ewartia Planchonii |
| Exochorda Macrantha 'Magical Springtime' |
| Exochorda Macrantha 'Niagara' |
| Exochorda Macrantha 'The Bride' |
