| Cultivar Name | Plant Size | Leaf Color | Variegation | Var Color | Origin | Flower Color | Season | Source | Registered |
| 'Half Moon' | Small | Light-Green | - | - | Hybrid | - | - | Malloy, Alex & Beilstein, Doug | --NR-- |
| 'Happy Family' | Medium | Med-Green | Marginal | White | Hybrid | - | - | Beilstein, Doug & Malloy, Alex | --NR-- |
| 'Helios' | Large | Light-Green | Streaked | White | Sport | Pale-Lavender | July | Malloy, Alex | .2000 |
| 'Hermes' | Medium | Dark-Green | Streaked | Yellow | Hybrid | Pale-Lavender | July into August | Malloy, Alex | .2004 |
| 'Hiawatha' | Small | Med-Green | Streaked | White | Sport | Pale-Lavender | July into August | Malloy, Alex | .2002 |
| 'Hidden Cove' | Small | Med-Green | - | - | Unknown | Light-Purple | July | Foster, Eugene & Malloy, Alex | .1998 |
| 'High Bid' | Medium | Med-Green | Marginal | White | Sport | - | - | Malloy, Alex | --NR-- |
| 'High Command' | Large | Dark-Green | - | - | Hybrid | - | - | Malloy, Alex | --NR-- |
| 'Hippodrome' | Medium | Med-Green | - | - | Hybrid | Near-White | June | Malloy, Alex | .2001 |
| 'Home Run' | Medium | Med-Green | - | - | Hybrid | - | - | Malloy, Alex | --NR-- |
| 'Honeycomb' | Medium | Med-Green | Marginal | Yellow | Sport | Pale-Lavender | July into August | Malloy, Alex | .2000 |
| 'Hoplite' | Medium | Light-Green | Marginal | White | Unknown | - | - | Malloy, Alex | .2000 |
| 'Hudson River' | Small | Med-Green | Marginal | Yellow | Hybrid | Pale-Lavender | July | Malloy, Alex | .2001 |
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