No. | Cultivar Name | Plant Size | Leaf Color | Variegation | Var Color | Origin | Flower Color | Season | Source | Registered |
1
| 'Alma' | Small | Yellow | | - | Unknown | Light-Purple | August | Krossa, Gus & Ruh, Peter | .1995 |
2
| 'Blue Pearl' (Krossa) | Medium | Blue/Green | | - | Unknown | Near-White | July | Holland (unknown) & Krossa, Gus | --NR-- |
3
| 'Broad Band 1' | | - | | - | Duplicate | Unknown | | Krossa, Gus | --NR-- |
4
| 'Broad Band 2' | | - | | - | Duplicate | Unknown | | Krossa, Gus | --NR-- |
5
| 'Broad Band A' | | - | | - | Duplicate | Unknown | | Krossa, Gus | --NR-- |
6
| 'Cardwell Yellow' | Large | Yellow | | - | Unknown | Near-White | June into July | Krossa, Gus & Ruh, Peter | .1981 |
7
| 'Fifty Grand' | - | - | | - | Unknown | Unknown | - | Krossa, Gus | --NR-- |
8
| 'Gloriosa' | Medium | Med-Green | Marginal | White | Unknown | Pale-Lavender | July into August | Krossa, Gus & Summers, Alex & The American Hosta Society | .1986 |
9
| 'King James' | Large | Med-Green | | - | Hybrid | Near-White | June into July | Krossa, Gus & Ruh, Peter | .1992 |
10
| 'King Michael' | Giant | Med-Green | | - | Hybrid | Near-White | June | Krossa, Gus & Summers, Alex & Ruh, Peter | .1992 |
11
| 'Krossa Broad Band' | Large | Blue/Green | Marginal | Yellow | Sport | Pale-Lavender | July | Krossa, Gus & Ruh, Peter | .1991 |
12
| 'Krossa Cream Edge' | Small | Med-Green | Marginal | White | Unknown | Deep-Purple | August | Krossa, Gus | .1997 |
13
| 'Krossa Cream Puff' | - | Unknown | | - | Unknown | Unknown | - | Krossa, Gus | --NR-- |
14
| 'Krossa Little Gray Dwarf' | - | Unknown | | - | Duplicate | Unknown | - | Krossa, Gus | --NR-- |
15
| 'Krossa Regal' | Giant | Blue/Green | | - | Hybrid | Pale-Lavender | July into August | Krossa, Gus & Summers, Alex | .1980 |
16
| 'Krossa Variegated' | Medium | Blue/Green | Streaked | Speckles | Unknown | Med-Lavender | July | Krossa, Gus | --NR-- |
17
| 'Krossa White' | - | Unknown | | - | Duplicate | Unknown | - | Krossa, Gus | --NR-- |
18
| 'Rhodeifolia Albomarginata' | - | Unknown | | - | Duplicate | Unknown | - | Krossa, Gus | --NR-- |
19
| 'Ros Hogh' | Medium | Med-Green | | - | Unknown | Med-Lavender | August to September | Krossa, Gus & Mr Curtis | --NR-- |
20
| 'Saginaw' | Small | Light-Green | | - | Unknown | Med-Lavender | June into July | Krossa, Gus & Ruh, Peter & Ruh, Jean | .2009 .2018 |
21
| 'Samual Blue' | Large | Blue/Green | | - | Unknown | Near-White | June into July | Krossa, Gus & Ruh, Peter | .1981 |
22
| 'Show Piece' | Small | Med-Green | | - | Hybrid | Light-Purple | July into August | Krossa, Gus & Ruh, Peter | .1998 |
23
| 'Wayne' | Medium | Med-Green | Marginal | Yellow | Sport | Pale-Lavender | July into August | Krossa, Gus & Ruh, Peter | .1999 |
24
| 'White Christmas' | Medium | Med-Green | Medial | White | Sport | Pale-Lavender | July into August | Palmer & Krossa, Gus & Ruh, Peter | .1999 |
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