| HEBE |
|---|
| 'Caledonia' | 30 | F. pourpre | 05/08 | C |
| ochracea (armstrongii) | 40 | F. Bronze | 05/07 | C |
| 'Red Edge' | 40 | F. Gris-argent | 05/07 | C |
| traversii | 120 | F. vert | 06/07 | C |
| 'Youngii' ('Carl Teschner') | 30 | Bleu | 06/08 | C |
| HEDERA |
|---|
| helix 'Glacier' | 10 | F. panaché argenté | - | D |
| helix 'Goldchild' | 10 | F. panaché doré | - | C |
| HELENIUM |
|---|
| 'Flamenco' | 120 | Bicolore | 07/09 | C |
| 'Kanaria' | 120 | Jaune | 07/09 | C |
| 'Rauchtopas' | 120 | Bicolore | 07/09 | C |
| 'Red Jewel' | 90 | Rouge | 07/08 | E |
| 'Ruby Tuesday' | 50 | Rouge | 07/09 | F |
| 'Salsa' | 50 | Rouge | 07/09 | D |
| 'Sombrero' ® | 60 | Jaune | 06/09 | D |
| 'Wyndley' | 75 | Jaune | 07/09 | C |
| HELIANTHEMUM |
|---|
| 'Anjou' | 20 | Rose | 05/08 | B |
| 'Ben Fhada' | 15 | Jaune | 05/08 | B |
| 'Bronzeteppich' | 15 | Orange | 05/08 | B |
| 'Cerise Queen' | 10 | Rouge | 05/08 | B |
| 'Fire Dragon' | 20 | Orange | 05/08 | B |
| 'Rhodanthe Carneum' | 25 | Rose | 05/08 | B |
| 'Sulphureum Plenum' | 15 | Jaune | 05/08 | B |
| 'The Bride' | 15 | Blanc | 05/08 | B |
| 'Tomato Red' | 15 | Rouge | 05/08 | B |
| HELIANTHUS |
|---|
| 'Lemon Queen' | 180 | Jaune | 07/10 | C |
| salicifolius 'Table Mountain' | 90 | Jaune | 09/10 | D |
| salicifolius var. orgyalis | 250 | Jaune | 07/11 | F |
| HELICHRYSUM |
|---|
| italicum ssp. serotinum | 40 | F. Gris-argent | 06/08 | C |
| HELIOPSIS |
|---|
| helianthoides 'Summer Nights' | 120 | Jaune | 07/09 | C |
| HELLEBORUS |
|---|
| orientalis | 40 | Variés | 01/04 | F |
| orientalis 'Peach' | 40 | Saumon | 01/03 | F |
| orientalis 'Picotee Lady' | 30 | Bicolore | 02/04 | F |
| orientalis 'White Lady' | 50 | Blanc | 01/04 | F |
| orientalis 'Wilgenbroek Slaty Blue' | 40 | Pourpre | 01/03 | F |
| HEMEROCALLIS |
|---|
| 'Canadian Border Patrol' | 50 | Bicolore | 06/09 | F |
| 'Frans Hals' | 65 | Bicolore | 07/08 | C |
| 'Happy Returns' | 50 | Jaune | 06/09 | C |
| 'Making Double Time' | 70 | Bicolore | 06/07 | F |
| 'Stella de Oro' | 40 | Jaune | 06/09 | C |
| 'Suzie Wong' | 70 | Jaune | 06/07 | C |
| 'Wideyed' | 90 | Bicolore | 06/08 | C |
| 'Wild Horses' | 90 | Bicolore | 05/08 | F |
| 'Yankee Clipper' | 80 | Jaune | 06/08 | C |
| HERNIARIA |
|---|
| glabra | 5 | F. vert | 07/09 | C |
| HEUCHERA |
|---|
| americana 'Dale' | 50 | Crème | 06/08 | E |
| 'Blondie' (Little Cutie Series) ® | 20 | F. Bronze | 05/10 | F* |
| 'Blondie in Lime' (Little Cutie Series) ® | 20 | F. Doré | 05/09 | F* |
| 'Bloody Dinosaur' ® | 40 | Blanc | 06/08 | F* |
| 'Cappuccino' | 40 | F. Bronze | 06/07 | F* |
| 'Caramel' ® | 35 | F. Bronze | 06/08 | F* |
| 'Cascade Dawn' | 40 | F. Gris-argent | 05/06 | E |
| 'Cherry Cola' ® | 50 | F. Bronze | 06/08 | F* |
| 'Coralberry' ® | 30 | F. pourpre | 06/08 | F |
| 'Delta Dawn' | 40 | F. panaché | 06/07 | F* |
| 'Ginger Ale' ® | 30 | F. Bronze | 06/07 | F* |
| micrantha 'Palace Purple' | 60 | F. pourpre | 06/08 | B |
| 'Milan' ® | 30 | F. Gris-argent | 06/07 | F* |
| 'Miracle' ® | 40 | F. pourpre | 06/08 | F* |
| 'Paris' ® | 30 | Rose | 06/09 | F* |
| 'Red Fury' | 30 | F. Bronze | 06/08 | F* |
| sanguinea 'Leuchtkäfer' | 60 | Rouge | 05/07 | D |
| 'Silver Scrolls' ® | 30 | F. Gris-argent | 05/06 | F |
| 'Spellbound' ® | 40 | F. Gris-argent | 06/08 | F* |
| 'Sweet Tart' (Little Cutie Series) ® | 20 | F. vert | 05/07 | F* |
| N 'Timeless Treasure' ® | 30 | Rose - F. Gris-argent | 06/08 | F |
| HEUCHERELLA |
|---|
| 'Copper Cascade' ® | 30 | F. Bronze | 06/07 | E |
| 'Kimono' ® | 40 | F. panaché | 06/08 | F |
| 'Quicksilver' | 40 | F. Gris-argent | 05/07 | E |
| 'Sweet Tea' ® | 65 | F. Bronze | 06/07 | F* |
| HIERACIUM |
|---|
| pilosella (Pilosella officinarum) | 15 | Jaune | 07/09 | B |
| HOSTA |
|---|
| 'Bressingham Blue' | 75 | F. vert | 06/07 | E |
| 'Devon Green' | 35 | F. vert | 06/08 | F |
| elata | 70 | F. Doré | 07/08 | C |
| 'Frances Williams' (Sielboldiana Group) | 65 | F. panaché doré | 06/07 | E |
| 'Gold Standard' | 80 | F. panaché doré | 07/08 | E |
| 'Guacamole' | 60 | F. Doré | 06/07 | F |
| 'Halcyon' | 45 | F. Bleuté | 07/09 | E |
| 'Honeybells' | 65 | F. vert | 07/09 | E |
| 'June' ® | 35 | F. panaché doré | 07/09 | F |
| 'Krossa Regal' | 100 | F. Bleuté | 07/09 | E |
| 'Patriot' | 60 | F. panaché argenté | 06/07 | E |
| plantaginea | 65 | F. vert | 07/09 | E |
| plantaginea var. japonica (grandiflora) | 60 | F. vert | 07/08 | E |
| 'Purple Heart' | 40 | F. vert | 08/09 | F |
| 'Royal Standard' | 65 | F. vert | 08/09 | E |
| sieboldiana | 70 | F. vert | 06/08 | E |
| 'Sum and Substance' | 90 | F. Doré | 07/08 | E |
| 'Undulata Albomarginata' | 70 | F. panaché doré | 06/07 | C |
| ventricosa | 65 | F. vert | 08/09 | E |
| 'Wide Brim' | 50 | F. panaché doré | 06/07 | F |
| HOUSTONIA |
|---|
| caerulea 'Millard's Variety' | 10 | Bleu | 04/06 | C |
| HOUTTUYNIA |
|---|
| cordata | 30 | F. vert | 06/09 | C |
| cordata 'Chameleon' | 30 | F. panaché | 06/09 | C |
| HYDROPHYLLUM |
|---|
| N virginianum | 60 | Mauve | 05/06 | F |
| HYPERICUM |
|---|
| calycinum | 60 | Jaune | 06/09 | A |
| olympicum | 25 | Jaune | 06/09 | B |
| HYSSOPUS |
|---|
| officinalis | 60 | Bleu foncé | 07/09 | B |
| officinalis 'Albus' | 60 | Blanc | 07/09 | B |
| officinalis 'Roseus' | 50 | Rose | 07/09 | B |
