| Cultivar | Plant Size | Leaf Color | Variegation | Var Color | Origin | Flower Color | Season | Source | Registered |
| 'Allegan Emperor' | Giant | Blue/Green | - | - | Hybrid | Pale-Lavender | July | Herrema, Ken, Deshane, H. & Ruh, Peter | .2000 |
| 'Density' | Large | Blue/Green | - | - | Unknown | Near-White | July | Minks, Eldren | .1990 |
| 'Devon Hills' | Large | Med-Green | - | - | Hybrid | - | - | Bowden, Roger | --NR-- |
| 'Elatior' | Giant | Blue/Green | - | - | Nat-Sport | Near-White | July into August | Maekawa, Dr Fumio & Ruh, Peter | .2002 |
| 'Emerald Emperor' | Large | Dark-Green | - | - | Nat-Sport | Med-Lavender | July into August | Fransen, Marco | --NR-- |
| H. fluctuans | Large | Med-Green | - | - | Unknown | Near-White | July into August | Species from Japan | --NR-- |
| H. fluctuans parvifolia | Small | - | - | - | Nat-Sport | - | - | Maekawa, Dr Fumio | --NR-- |
| 'Kobana Kuronami' | - | - | - | - | xDuplicate | - | - | Duplicate Name | --NR-- |
| 'Kuronami' | - | - | - | - | xDuplicate | - | - | Duplicate Name | --NR-- |
| 'Kuronami Gibōshi' | - | - | - | - | xDuplicate | - | - | Duplicate Name | --NR-- |
| 'Sagae' | Giant | Yellow | Marginal | Creamy White | Nat-Sport | Pale-Lavender | July into August | Watanabe, Kenji & Hagiwara, Eigon | .1987 |
| 'Upbeat' | Giant | Med-Green | - | - | Hybrid | Pale-Lavender | July | Ruh, Peter | .2000 |
| 'Woge' | Large | Blue/Green | - | - | Nat-Sport | Near-White | July into August | Simon, Dr Hans | --NR-- |
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