| Cultivar | Plant Size | Leaf Color | Variegation | Var Color | Origin | Flower Color | Season | Source | Registered |
| H. laevigata | Medium | Dark-Green | - | - | Unknown | Light-Purple | August to October | Species from Korea | --NR-- |
| 'Swoosh' | Medium | Med-Green | Streaked | Speckles | Hybrid | Deep-Purple | July into August | Aden, Paul | .1978 |
| 'Yoshi' | Medium | Med-Green | Marginal | White | Hybrid | Light-Purple | August to September | Herold, Roy | --NR-- |
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