| Cultivar Name | Plant Size | Leaf Color | Variegation | Var Color | Origin | Flower Color | Season | Source | Registered |
| 'Alma' | Small | Yellow | - | - | Unknown | Light-Purple | August | Krossa, Gus & Ruh, Peter | .1995 |
| 'Blue Pearl' | Medium | Blue/Green | | | Unknown | Near-White | July | Holland(unknown) & Krossa, Gus | --NR-- |
| 'Cardwell Yellow' | Large | Yellow | - | - | Unknown | Near-White | June into July | Krossa, Gus & Ruh, Peter | .1981 |
| 'Fifty Grand' | - | - | - | - | Unknown | - | - | Krossa, Gus | --NR-- |
| 'Gloriosa' | Medium | Med-Green | Marginal | White | Unknown | Pale-Lavender | July into August | Krossa, Gus & AHS | .1993 |
| 'King James' | Large | Med-Green | - | - | Hybrid | Near-White | June into July | Krossa, Gus & Ruh, Peter | .1992 |
| 'King Michael' | Giant | Med-Green | - | - | Hybrid | Near-White | June | Krossa, Gus & Summers, Alex & Ruh, Peter | .1992 |
| 'Krossa Broad Band' | Large | Blue/Green | Marginal | Yellow | Nat-Sport | Pale-Lavender | July | Krossa, Gus & Ruh, Peter | .1991 |
| 'Krossa Cream Edge' | Small | Med-Green | Marginal | White | Unknown | Deep-Purple | August | Krossa, Gus | .1997 |
| 'Krossa Regal' | Giant | Blue/Green | - | - | Unknown | Pale-Lavender | July into August | Krossa, Gus & Summers, Alex | .1980 |
| 'Krossa Variegated' | Medium | Blue/Green | Streaked | Speckles | Unknown | Med-Lavender | July | Krossa, Gus | --NR-- |
| 'Livonia' | Medium | Med-Green | - | - | Unknown | Deep-Purple | August | Klose, Heinz & Krossa, Gus & Ruh, Peter | .1998 |
| 'Ros Hogh' | Medium | Med-Green | - | - | Unknown | Med-Lavender | August to September | Krossa, Gus | --NR-- |
| 'Saginaw' | Small | Light-Green | - | - | Unknown | Med-Lavender | June into July | Krossa, Gus & Ruh, Peter & Jean | .2009 .2018 |
| 'Samual Blue' | Large | Blue/Green | - | - | Unknown | Near-White | June into July | Krossa, Gus & Ruh, Peter | .1981 |
| 'Show Piece' | Small | Med-Green | - | - | Hybrid | Light-Purple | July into August | Krossa, Gus & Ruh, Peter | .1998 |
| 'Wayne' | Medium | Med-Green | Marginal | Yellow | Nat-Sport | Pale-Lavender | July into August | Krossa, Gus & Ruh, Peter | .1999 |
| 'White Christmas' | Medium | Med-Green | Medial | White | Nat-Sport | Pale-Lavender | July into August | Krossa, Gus & Ruh, Peter | .1983 |
| 'White Knight' | Large | Med-Green | - | - | Unknown | Pure-White | July into August | Krossa, Gus & Ruh, Peter | .2004 .2018 |
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