| Cultivar Name | Plant Size | Leaf Color | Variegation | Var Color | Origin | Flower Color | Season | Source | Registered |
| 'Hadspen Blue' | Large | Blue/Green | - | - | Unknown | Pale-Lavender | July into August | Smith, Eric & Aden, Paul | .1976 |
| 'Hadspen Heron' | Medium | Blue/Green | - | - | Unknown | Pale-Lavender | July into August | Smith, Eric & Aden, Paul | .1976 |
| 'Halo' | Large | Yellow | Marginal | White | Hybrid | Pale-Lavender | June into July | Aden, Paul | .1978 |
| 'Harlequin' | - | - | - | - | Unknown | - | - | Aden, Paul | --NR-- |
| 'Harmons' | Small | Med-Green | Marginal | White | Unknown | - | - | Aden, Paul | --NR-- |
| 'Harmony' | Small | Blue/Green | - | - | Unknown | Light-Purple | August | Smith, Eric & Aden, Paul | .1976 |
| 'High Fat Cream' | Large | Light-Green | Streaked | Speckles | Hybrid | Pale-Lavender | July into August | Shaw, Florence & Aden, Paul | .1976 |
| 'High Kicker' | Medium | Med-Green | - | - | Hybrid | Pale-Lavender | August | Aden, Paul | .1987 |
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