| Cultivar | Plant Size | Leaf Color | Variegation | Var Color | Origin | Flower Color | Season | Source | Registered |
| 'Kong' | Large | Med-Green | - | - | Hybrid | Near-White | June into July | Soules, Clarence | .1990 |
| 'Sieboldiana' | Giant | Blue/Green | - | - | Unknown | Pure-White | July | Unknown | --NR-- |
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