| Deer Fern ‘Blechnum spicant’ |
| Delosperma con. ‘Gold Nugget’ |
| Delosperma coo. ‘John Proffitt’(Tbl. Mtn) |
| Delosperma cooperi |
| Delosperma dyeri |
| Delosperma nubigenum |
| Delosperma ‘Osberg’ |
| Delphinium gra. ‘Blue Mirror’ |
| Delphinium gra. ‘Summer Blues’ |
| Delphinium gra. ‘Summer Cloud’ |
| Delphinium ‘Magic Fountains’ |
| Dendranthema ‘Clara Curtis’ |
| Dendranthema ‘Cool Igloo’ (raspberry) |
| Dendranthema ‘Frosty Igloo’ (white) |
| Dendranthema ‘Harmony’ (yellow) |
| Dendranthema ‘Rhumba’ (peach) |
| Dendranthema ‘Rosy Igloo’ (coral) |
| Dendranthema ‘Samba’ (pink) |
| Dendranthema ‘Sunny Igloo’ (yellow) |
| Dendranthema ‘Warm Igloo’ (orng/brnz) |
| Deschampsia cae. ‘Bronzeschleie’ |
| Dianthus ‘Cranberry Ice’ |
| Dianthus ‘Fire Star’ |
| Dianthus ‘First Love’ |
| Dianthus gra. ‘Bath’s Pink’ |
| Dianthus gra. ‘Firewitch’ |
| Dianthus gra. ‘Petite’ |
| Dianthus gra. ‘Tiny Rubies’ |
| Dianthus gra. ‘Wicked Witch’ |
| Dianthus ‘Neon Star’ |
| Dianthus pon. ‘Rachel’ |
| Dianthus pon. ‘Royal Midget’ |
| Dianthus ‘Raspberry Surprise’ |
| Dianthus ‘Siskin Clock’ (Rasp. Swirl) |
| Dicentra eximia |
| Dicentra for. ‘King of Hearts’ |
| Dicentra for. ‘Luxuriant’ |
| Dicentra spe. Alba |
| Dicentra spectabilis |
| Digitalis ‘Camelot Cream’ |
| Digitalis ‘Camelot Lavender’ |
| Digitalis ‘Camelot Mix’ |
| Digitalis ‘Camelot Rose’ |
| Digitalis x mertonensis |
| Eastern Wood Fern (leatherwood) |
| Echinacea Big Sky ‘After Midnight’ |
| Echinacea Big Sky ‘Crazy Pink’ |
| Echinacea Big Sky ‘Harvest Moon’ |
| Echinacea Big Sky ‘Sundown’ |
| Echinacea Big Sky ‘Sunrise’ |
| Echinacea Big Sky ‘Twilight’ PPAF |
| Echinacea ‘Hot Papaya’ |
| Echinacea ‘Mistral’ |
| Echinacea pur. ‘Fragrant Angel’ PPAF |
| Echinacea pur. ‘Kim’s Knee High’ |
| Echinacea pur. ‘Magnus’ |
| Echinacea pur. ‘Milkshake’ |
| Echinacea pur. ‘Pica Bella’ |
| Echinacea pur. ‘Pink Double Delight’ |
| Echinacea pur. ‘PowWow Wild Berry’ |
| Echinacea pur. ‘Ruby Star’ |
| Echinacea pur. ‘White Swan’ |
| Echinacea ten. ‘Rocky Top Hybrids’ |
| Echinacea x ‘Tiki Torch’ |
| Epimedium gra. ‘Lilafee’ |
| Epimedium gra. ‘Rose Queen’ |
| Epimedium ver. ‘Sulphureum’ |
| Epimedium x rubrum |
| Erodium pelargon. ‘Sweetheart’ |
| Erodium rei. ‘Charm’ |
| Eryngium ‘Blue Hobbit’ |
| Eryngium x. ‘Sapphire Blue’ |
| Erysimum kot. ‘Orange Flame’ |
| Euonymus for. var. coloratus |
| Eupatorium dub. ‘Little Joe’ |
| Euphorbia ‘Blackbird’ |
| Euphorbia cha. ‘Glacier Blue’ |
| Euphorbia corollata |
| Euphorbia mar. ‘Rudolph’ |
| Euphorbia pol. ‘First Blush’ |
| Euphorbia polychroma |
| Euphorbia robbiae |
| Euphorbia x. ‘Shorty’ |
| Festuca gla. ‘Elijah Blue’ |
| Gaillardia ari. ‘Amber Wheels’ |
| Gaillardia ‘Arizona Sun’ |
| Gaillardia Commotion ‘Tizzy’ |
| Gaillardia ‘Fanfare’ PPAF |
| Gaillardia ‘Goblin’ (Kobold) |
| Gaillardia ‘Oranges and Lemons’ |
| Galium odoratum |
| Gaura lin. ‘Whirling Butterflies’ |
| Gaura ‘Siskiyou Pink’ |
| Gentiana ‘True Blue’ |
| Geranium ‘Bertie Crug’ |
| Geranium ‘Brookside’ |
| Geranium can. ‘Biokovo’ |
| Geranium ‘Citrosa’ |
| Geranium Grower’s Choice |
| Geranium ‘Johnson’s Blue’ |
| Geranium mac. ‘Bevans Variety’ |
| Geranium mac. ‘Ingwersen’s Variety’ |
| Geranium mac. ‘Spessart’ |
| Geranium ‘Mavis Simpson’ |
| Geranium ‘Rozanne’ |
| Geranium san. ‘Max Frei’ |
| Gillenia tri. ‘Pink Profusion’ |
| Gillenia trifoliata |
| Glechoma hed. ‘Variegata’ |
| Goniolimon tataricum |
| Gypsophila cerastoides |
| Gypsophila pan. ‘Snowflake’ |
| Gypsophila rep. ‘Rosea’ |