No. | Hosta Cultivar | Plant Size | Leaf Color | Variegation | Var Color | Origin | Flower Color | Season | Source | Registered |
1
| 'Hadspen Blue' | Large | Blue/Green | - | - | Unknown | Pale-Lavender | July into August | Smith, Eric & Aden, Paul | .1976 |
2
| 'Hadspen Hawk' | Medium | Blue/Green | - | - | Unknown | Pale-Lavender | August to October | Smith, Eric & British Hosta and Hemerocallis Society | .1988 |
3
| 'Hadspen Heron' | Medium | Blue/Green | - | - | Unknown | Pale-Lavender | July into August | Smith, Eric & Aden, Paul | .1976 |
4
| 'Hadspen Pink' | Medium | Blue/Green | - | - | Unknown | Pale-Lavender | July into August | Smith, Eric & British Hosta and Hemerocallis Society | .1988 |
5
| 'Halcyon' | Medium | Blue/Green | - | - | Hybrid | Pale-Lavender | July into August | Smith, Eric & The American Hosta Society | .1988 |
6
| 'Halcyon Harmony' | Small | Blue/Green | - | - | Hybrid | Pale-Lavender | July into August | Treichel, Bernie | .2000 |
7
| 'Halcyon Sunset' | Medium | Blue/Green | Streaked | Yellow | Sport | Pale-Lavender | July into August | Wrede, Arthur | --NR-- |
8
| 'Happiness' (Eric Smith) | Medium | Blue/Green | - | - | Unknown | Pale-Lavender | July into August | Smith, Eric & British Hosta and Hemerocallis Society | .1988 |
9
| 'Harmony' | Small | Blue/Green | - | - | Unknown | Light-Purple | August | Smith, Eric & Aden, Paul | .1976 |
10
| 'Hebe Blue' | Small | Blue/Green | - | - | Unknown | Pale-Lavender | July into August | Benedict, Dr Ralph (Herb) & Kuenster, Rod | .2010 |
11
| 'High Tide' | Medium | Blue/Green | - | - | Hybrid | Pale-Lavender | August to October | Hansen, Hans | .2005 |
12
| 'Holar Flying Saucer' | Large | Blue/Green | - | - | Hybrid | - | - | Van Keer, Ronny | --NR-- |
13
| 'Holar Microstrip' | Medium | Med-Green | Medial | White | Hybrid | - | - | Van Keer, Ronny | --NR-- |
14
| 'Holar Purple Flash' | Medium | Blue/Green | Medial | Reddish | Hybrid | Light-Purple | - | Van Keer, Ronny | --NR-- |
15
| 'Holar Smoky Water' | Medium | Blue/Green | - | - | Hybrid | - | - | Van Keer, Ronny | --NR-- |
16
| 'Holy Grail' | Small | Light-Green | Marginal | Blue-Green | Sport | Pale-Lavender | July into August | Deckert, Emile & Deckert, Jane | .2004 |
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