| 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-- |
| 'Broad Band 1' | - | - | | - | Duplicate | - | - | Krossa, Gus | --NR-- |
| 'Broad Band 2' | - | - | | - | Duplicate | - | - | Krossa, Gus | --NR-- |
| 'Broad Band A' | - | - | | - | Duplicate | - | - | 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 A-1' | - | - | | - | Duplicate | - | - | Krossa, Gus | --NR-- |
| 'Krossa A-2' | - | - | | - | Duplicate | - | - | Krossa, Gus | --NR-- |
| 'Krossa A-3' | - | - | | - | Duplicate | - | - | Krossa, Gus | --NR-- |
| 'Krossa Asiatic Seedling' | - | - | | - | Duplicate | - | - | Krossa, Gus | --NR-- |
| 'Krossa B-1' | - | - | | - | Duplicate | - | - | Krossa, Gus | --NR-- |
| 'Krossa B-2' | - | - | | - | Duplicate | - | - | Krossa, Gus | --NR-- |
| 'Krossa B-3' | - | - | | - | Duplicate | - | - | Krossa, Gus | --NR-- |
| 'Krossa B-4' | - | - | | - | Duplicate | - | - | Krossa, Gus | --NR-- |
| 'Krossa B-5' | - | - | | - | Duplicate | - | - | Krossa, Gus | --NR-- |
| 'Krossa B-6' | - | - | | - | Duplicate | - | - | Krossa, Gus | --NR-- |
| 'Krossa B-7' | - | - | | - | Duplicate | - | - | Krossa, Gus | --NR-- |
| 'Krossa Broad Band' | Large | Blue/Green | Marginal | Yellow | Nat-Sport | Pale-Lavender | July | Krossa, Gus & Ruh, Peter | .1991 |
| 'Krossa C-1' | - | - | | - | Duplicate | - | - | Krossa, Gus | --NR-- |
| 'Krossa C-2' | - | - | | - | Duplicate | - | - | Krossa, Gus | --NR-- |
| 'Krossa C-3' | - | - | | - | Duplicate | - | - | Krossa, Gus | --NR-- |
| 'Krossa C-4' | - | - | | - | Duplicate | - | - | Krossa, Gus | --NR-- |
| 'Krossa C-5' | - | - | | - | Duplicate | - | - | Krossa, Gus | --NR-- |
| 'Krossa Cream Edge' | Small | Med-Green | Marginal | White | Unknown | Deep-Purple | August | Krossa, Gus | .1997 |
| 'Krossa Cream Puff' | - | - | | - | Unknown | - | - | Krossa, Gus | --NR-- |
| 'Krossa DX-1' | - | - | | - | Duplicate | - | - | Krossa, Gus | --NR-- |
| 'Krossa DX-2' | - | - | | - | Duplicate | - | - | Krossa, Gus | --NR-- |
| 'Krossa DX-3' | - | - | | - | Duplicate | - | - | Krossa, Gus | --NR-- |
| 'Krossa DX-4' | - | - | | - | Duplicate | - | - | Krossa, Gus | --NR-- |
| 'Krossa E-1' | - | - | | - | Duplicate | - | - | Krossa, Gus | --NR-- |
| 'Krossa E-2' | - | - | | - | Duplicate | - | - | Krossa, Gus | --NR-- |
| 'Krossa E-3' | - | - | | - | Duplicate | - | - | Krossa, Gus | --NR-- |
| 'Krossa E-4' | - | - | | - | Duplicate | - | - | Krossa, Gus | --NR-- |
| 'Krossa E-5' | - | - | | - | Duplicate | - | - | Krossa, Gus | --NR-- |
| 'Krossa E-6' | - | - | | - | Duplicate | - | - | Krossa, Gus | --NR-- |
| 'Krossa F-1' | - | - | | - | Duplicate | - | - | Krossa, Gus | --NR-- |
| 'Krossa F-2' | - | - | | - | Duplicate | - | - | Krossa, Gus | --NR-- |
| 'Krossa F-4' | - | - | | - | Duplicate | - | - | Krossa, Gus | --NR-- |
| 'Krossa F-5' | - | - | | - | Duplicate | - | - | Krossa, Gus | --NR-- |
| 'Krossa F-6' | - | - | | - | Duplicate | - | - | Krossa, Gus | --NR-- |
| 'Krossa F-7' | - | - | | - | Duplicate | - | - | Krossa, Gus | --NR-- |
| 'Krossa F-8' | - | - | | - | Duplicate | - | - | Krossa, Gus | --NR-- |
| 'Krossa F-9' | - | - | | - | Duplicate | - | - | Krossa, Gus | --NR-- |
| 'Krossa G-1' | - | - | | - | Duplicate | - | - | Krossa, Gus | --NR-- |
| 'Krossa G-2' | - | - | | - | Duplicate | - | - | Starker, Carl & Krossa, Gus | --NR-- |
| 'Krossa G-3' | - | - | | - | Duplicate | - | - | Starker, Carl & Krossa, Gus | --NR-- |
| 'Krossa G-4' | - | - | | - | Duplicate | - | - | Vilmorin et Andrieux & Krossa, Gus | --NR-- |
| 'Krossa G-5' | - | - | | - | Duplicate | - | - | Krossa, Gus | --NR-- |
| 'Krossa H-1' | - | - | | - | Duplicate | - | - | Skylands Nursery & Krossa, Gus | --NR-- |
| 'Krossa H-2' | - | - | | - | Duplicate | - | - | Krossa, Gus | --NR-- |
| 'Krossa H-3' | - | - | | - | Duplicate | - | - | Viette, Andre & Krossa, Gus | --NR-- |
| 'Krossa H-4' | - | - | | - | Duplicate | - | - | Lewis, Alan & Krossa, Gus | --NR-- |
| 'Krossa H-5' | - | - | | - | Duplicate | - | - | Meissner, O. & Krossa, Gus | --NR-- |
| 'Krossa H-6' | - | - | | - | Duplicate | - | - | Vogel & Krossa, Gus | --NR-- |
| 'Krossa H-7' | - | - | | - | Duplicate | - | - | Krossa, Gus | --NR-- |
| 'Krossa H-8' | - | - | | - | Duplicate | - | - | Williams, Frances & Krossa, Gus | --NR-- |
| 'Krossa J-1' | - | - | | - | Duplicate | - | - | Fisher, Eunice V. & Krossa, Gus | --NR-- |
| 'Krossa J-2' | - | - | | - | Duplicate | - | - | Krossa, Gus | --NR-- |
| 'Krossa J-3' | - | - | | - | Duplicate | - | - | Fisher, Eunice V. & Krossa, Gus | --NR-- |
| 'Krossa J-4' | - | - | | - | Duplicate | - | - | Craig, Jack & Krossa, Gus | --NR-- |
| 'Krossa J-5' | - | - | | - | Duplicate | - | - | Maekawa, Dr Fumio & Krossa, Gus | --NR-- |
| 'Krossa J-6' | - | - | | - | Duplicate | - | - | Krossa, Gus | --NR-- |
| 'Krossa K-1' | - | - | | - | Duplicate | - | - | Krossa, Gus | --NR-- |
| 'Krossa K-2' | - | - | | - | Duplicate | - | - | Krossa, Gus | --NR-- |
| 'Krossa K-3' | - | - | | - | Duplicate | - | - | Krossa, Gus | --NR-- |
| 'Krossa K-4' | - | - | | - | Duplicate | - | - | Krossa, Gus | --NR-- |
| 'Krossa K-5' | - | - | | - | Duplicate | - | - | Krossa, Gus | --NR-- |
| 'Krossa K-6' | - | - | | - | Duplicate | - | - | Hylander, Dr Nils & Krossa, Gus | --NR-- |
| 'Krossa K-7' | - | - | | - | Duplicate | - | - | Krossa, Gus | --NR-- |
| 'Krossa L-1' | - | - | | - | Duplicate | - | - | Krossa, Gus | --NR-- |
| 'Krossa L-2' | - | - | | - | Duplicate | - | - | Krossa, Gus | --NR-- |
| 'Krossa L-4' | - | - | | - | Duplicate | - | - | Krossa, Gus | --NR-- |
| 'Krossa L-7' | - | - | | - | Duplicate | - | - | Krossa, Gus | --NR-- |
| 'Krossa Little Gray Dwarf' | - | - | | - | Duplicate | - | - | Krossa, Gus | --NR-- |
| 'Krossa No. 5' | - | - | | - | Duplicate | - | - | Krossa, Gus | --NR-- |
| 'Krossa No-6' | - | - | | - | Duplicate | - | - | Minks, Eldren & Krossa, Gus | --NR-- |
| '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-- |
| 'Krossa White' | - | - | | - | Duplicate | - | - | Krossa, Gus | --NR-- |
| 'Krossa X-1' | - | - | | - | Duplicate | - | - | Krossa, Gus | --NR-- |
| 'Krossa X-2' | - | - | | - | Duplicate | - | - | Krossa, Gus | --NR-- |
| 'Krossa X-3' | - | - | | - | Duplicate | - | - | Krossa, Gus | --NR-- |
| 'Krossa X-5' | - | - | | - | Duplicate | - | - | Krossa, Gus | --NR-- |
| 'Krossa Z-4' | - | - | | - | Duplicate | - | - | Krossa, Gus | --NR-- |
| 'Livonia' | Medium | Med-Green | | - | Unknown | Deep-Purple | August | Klose, Heinz & Krossa, Gus & Ruh, Peter | .1998 |
| 'Rhodeifolia Albomarginata' | - | - | | - | Duplicate | - | - | Krossa, Gus | --NR-- |
| 'Ros Hogh' | Medium | Med-Green | | - | Unknown | Med-Lavender | August to September | Krossa, Gus & Mr Curtis | --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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