| Cultivar | Plant Size | Leaf Color | Variegation | Var Color | Origin | Flower Color | Season | Source | Registered |
| H. gracillima | Small | Med-Green | - | - | Unknown | Light-Purple | September to October | Species from Japan | --NR-- |
| 'Saizaki' | Small | - | - | - | Nat-Sport | Deep-Purple | September | Unknown | --NR-- |
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