| Hay Scented Fern |
| Hedera can. ‘Variegata’ |
| Hedera hel. ‘Anne Marie’ |
| Hedera hel. ‘Baltica’ |
| Hedera hel. ‘Glacier’ |
| Hedera hel. ‘Gold Child’ |
| Hedera hel. ‘Needlepoint’ |
| Hedera hel., English |
| Helenium ‘Coppelia’ |
| Helenium ‘Mardi Gras’ (Helbro) |
| Helianthemum ‘Dazzler’ |
| Helianthemum ‘Henfield Brilliant’ |
| Helianthemum ‘Wisley Pink’ |
| Helianthemum ‘Wisley Primrose’(white) |
| Helianthus dec. ‘Capenoch Star’ |
| Helianthus ‘Low Down’ |
| Helianthus sal. ‘First Light’ |
| Heliopsis hel. ‘Ballerina’ |
| Heliopsis hel. ‘Summer Nights’ |
| Heliopsis hel. ‘Summer Sun’ |
| Helleborus ‘HGC Cinnamon Snow’ |
| Helleborus ‘HGC Pink Frost’ |
| Helleborus ‘HGC Silvermoon’ |
| Helleborus ‘Ivory Prince’ |
| Helleborus lividus ‘Pink Marble’ |
| Helleborus lividus ‘White Marble’ |
| Helleborus nig. ‘HGC Josef Lemper’ |
| Helleborus niger |
| Helleborus ori. ‘Brandywine Series’ |
| Helleborus ori. ‘Pine Knot Select’ |
| Helleborus orientalis |
| Helleborus Winter’s Bliss (‘HGC Champion’) |
| Helleborus Winter’s Song (‘HGC Joker’) |
| Hemerocallis ‘Alabama Jubilee’ |
| Hemerocallis ‘Always Afternoon’ |
| Hemerocallis ‘Anna Warner’ |
| Hemerocallis ‘Black Eyed Stella’ |
| Hemerocallis ‘Buttered Popcorn’ |
| Hemerocallis ‘Canadian Border Patrol’ |
| Hemerocallis ‘Charles Johnston’ |
| Hemerocallis ‘Chicago Apache’ |
| Hemerocallis ‘Divine Intervention’ |
| Hemerocallis ‘Double Firecracker’ |
| Hemerocallis ‘Double River Wye’ |
| Hemerocallis ‘Fairytale Pink’ |
| Hemerocallis fulva |
| Hemerocallis ‘Happy Returns’ |
| Hemerocallis ‘Hyperion’ |
| Hemerocallis ‘Lady Elizabeth’ |
| Hemerocallis ‘Little Business’ |
| Hemerocallis ‘Night Beacon’ |
| Hemerocallis ‘Pardon Me’ |
| Hemerocallis ‘Prairie Blue Eyes’ |
| Hemerocallis ‘Purple de Oro’ |
| Hemerocallis ‘Rosy Returns’ |
| Hemerocallis ‘Ruby Stella’ |
| Hemerocallis ‘Stella de Oro’ |
| Hemerocallis ‘Stella Supreme’ |
| Hemerocallis ‘Strawberry Candy’ |
| Hemerocallis ‘Strawberry Fields Forever’ |
| Hemerocallis ‘Summer Wine’ |
| Hemerocallis ‘Texas Sunlight’ |
| Herb Mix |
| Herniaria gla. ‘Sea Foam’ |
| Herniaria glabra |
| Heuchera ame. ‘Amethyst Myst’ |
| Heuchera ame. ‘Dale’s Strain’ |
| Erodium pelargon. ‘Sweetheart’ |
| Heuchera ame. ‘Marvelous Marble’ |
| Heuchera bri. ‘Plum Pudding’ |
| Heuchera mic. ‘Palace Purple’ |
| Heuchera ‘Miracle’ |
| Heuchera san. ‘Bressingham Hybrids’ |
| Heuchera ‘Stormy Seas’ |
| Heuchera vil ‘Autumn Bride’ |
| Heuchera vil. ‘Caramel’ |
| Heuchera vil. ‘Citronelle’ |
| Heuchera vil. ‘Georgia Peach’ |
| Heuchera vil. ‘Marmalade’ PPAF |
| Heuchera vil. ‘Mocha’ |
| Heuchera vil. ‘Obsidian’ PP14836 |
| Heuchera vil. ‘Peach Flambe’ PPAF |
| Heucherella ‘Alabama Sunrise’ |
| Hibiscus ‘Kopper King’ |
| Hibiscus ‘Lady Baltimore’ |
| Hibiscus ‘Lord Baltimore’ |
| Hibiscus mos. ‘Luna Blush’ (Balhiblu) |
| Hibiscus mos. ‘Luna Pink Swirl’ |
| Hibiscus mos. ‘Luna Red’ (Balhibred) |
| Hosta ‘Big Daddy’ |
| Hosta ‘Blue Angel’ |
| Hosta ‘Blue Umbrellas’ |
| Hosta ‘Dreamweaver’ |
| Hosta ‘First Frost’ |
| Hosta ‘Guacamole’ |
| Hosta ‘Hollywood Lights’ |
| Hosta ‘June’ |
| Hosta ‘June Fever’ |
| Hosta ‘Liberty’ |
| Hosta nig. ‘Krossa Regal’ |
| Hosta ‘Paul’s Glory’ |
| Hosta ‘Royal Standard’ |
| Hosta ‘Shade Fanfare’ |
| Hosta sie. ‘Elegans’ |
| Hosta sie. ‘Frances Williams’ |
| Hosta sie. ‘Ginko Craig’ |
| Hosta sie. ‘Great Expectations’ |
| Hosta tar. ‘Halcyon’ |
| Hosta tok. ‘Love Pat’ |
| Hosta x for. ‘Aureo Marginata’ |
| Hosta x for. ‘Francee’ |
| Hosta x for. ‘Patriot’ |
| Hosta x und. ‘Albomarginata’ |
| Hosta x und. ‘Mediovariegata’ |
| Hypericum calycinum |
| Hypericum pat. ‘Hidcote’ |
| Iberis sem. ‘Alexander’s White’ |
| Iberis sem. ‘Little Gem’ (Weisser Zwerg) |
| Impatiens Pink |
| Impatiens White |
| Iris cri. ‘Powder Blue Giant’ |
| Iris cristata |
| Iris ens. ‘Gracieuse’ |
| Iris ens. ‘Kogesha’ |
| Iris ens. ‘Sensation’ |
| Iris ens. ‘Variegata’ |
| Iris ger. ‘Autumn Circus’ |
| Iris ger. ‘Brown Lasso’ (gold ylw) |
| Iris ger. ‘Delerium’ (gold/purple) |
| Iris ger. ‘Gypsy Romance’ – red ppl |
| Iris ger. ‘Harlow Gold’ (yellow w/white) |
| Iris ger. ‘Immortality’ (white) |
| Iris ger. ‘Lenora Pearl’ (pink) |
| Iris ger. ‘Low Ho Silver’ (white) |
| Iris ger. ‘Messenger’ (purple) |
| Iris ger. ‘Mostest’ (yellow) |
| Iris ger. ‘Precious Little Pink’ (pink) |
| Iris ger. ‘Raspberry Blush’ (soft pink) |
| Iris ger. ‘Sangria’ (burg red) |
| Iris ger. ‘Star Woman’ (dk ppl) |
| Iris ger. ‘Sugar Blues’ (bright blue) |
| Iris ger. ‘Sunny Glow’ (bright orange) |
| Iris ger. ‘Well Endowed’ (gold) |
| Iris lou. ‘Acadian Miss’ (white) |
| Iris lou. ‘Black Gamecock’ (purple/blk) |
| Iris lou. ‘Dural Gold’ (golden yel) |
| Iris lou. ‘Easter Tide’ (yel w/ lav) |
| Iris lou. ‘Sinfonietta’ (true blue) |
| Iris Louisiana (purple) |
| Iris pal. ‘Argentea Variegata’ (lav/blue) |
| Iris pse. ‘Variegata’ |
| Iris pseudacorus |
| Iris sib. ‘Butter and Sugar’ |
| Iris sib. ‘Caesar’s Brother’ |
| Iris sib. ‘Dear Delight’ |
| Iris sib. ‘Lady Vanessa’ |
| Iris sib. ‘Roaring Jelly’ (pnk trng pur) |
| Iris sib. ‘Strawberry Fair’ |
| Iris sib. ‘White Swirl’ |
| Iris versicolor |
| Isotoma Fluviatilis |
| Japanese Beech Fern |
| Japanese Painted Fern |
| Kalimeris inc. ‘Blue Star’ |
| Kalimeris int. ‘Daisy Mae’ |
| Kniphofia ‘Border Ballet’ |
