| Cultivar | Plant Size | Leaf Color | Variegation | Var Color | Origin | Flower Color | Season | Source | Registered |
| 'Alba' | Small | Med-Green | - | - | Hybrid | Pure-White | August | Unknown | --NR-- |
| 'Krossa H-1' | - | - | - | - | xDuplicate | - | - | Skylands Nursery & Krossa, Gus | --NR-- |
| 'Lucy's Breeder' | Large | Yellow | - | - | Hybrid | Light-Purple | June into July | Simpers, Lucille & Ruh, Peter | .1991 |
| 'Piccadilly Snow Mound' | Small | Light-Green | Marginal | White | Nat-Sport | Pure-White | August | Jones, Sam | --NR-- |
| 'Snow Cream' | Medium | Med-Green | - | - | Hybrid | Pure-White | August | Lewis, Alan & Summers, Alex | --NR-- |
| 'Snow Flakes' | Medium | Med-Green | - | - | Hybrid | Pure-White | August | Williams, Frances & AHS | .1986 |
| 'Snow Mound' | Small | Med-Green | - | - | Unknown | Pure-White | August | Skylands Nursery & Ruh, Peter | .1997 |
| 'Snow Mound Variegated' | Medium | Med-Green | Marginal | Creamy White | Nat-Sport | Pure-White | August | Summers, Alex | --NR-- |
| 'Weihenstephan' | Small | Med-Green | - | - | Hybrid | Pure-White | August | Müssel, Hermann, Klose, Heinz & Ruh, Peter | .2003 |
| 'White Mule' | Medium | Med-Green | - | - | Unknown | Pure-White | August | Summers, Alex & Ruh, Peter | .1998 |
| 'White Trumpets' | Medium | Light-Green | - | - | Unknown | Near-White | July into August | Hensen, Karel & Williams, Frances | .1983 |
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