| 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
| 'Cardwell Yellow' | Large | Yellow | - | - | Unknown | Near-White | June into July | Krossa, Gus & Ruh, Peter | .1981 |
|
4
| 'Fifty Grand' | - | - | - | - | Unknown | - | - | Krossa, Gus | --NR-- |
|
5
| 'Gloriosa' | Medium | Med-Green | Marginal | White | Unknown | Pale-Lavender | July into August | Krossa, Gus & The American Hosta Society | .1993 |
|
6
| 'King James' | Large | Med-Green | - | - | Hybrid | Near-White | June into July | Krossa, Gus & Ruh, Peter | .1992 |
|
7
| 'King Michael' | Giant | Med-Green | - | - | Hybrid | Near-White | June | Krossa, Gus & Summers, Alex & Ruh, Peter | .1992 |
|
8
| 'Krossa Broad Band' | Large | Blue/Green | Marginal | Yellow | Sport | Pale-Lavender | July | Krossa, Gus & Ruh, Peter | .1991 |
|
9
| 'Krossa C-3' | - | Med-Green | Marginal | White | Unknown | - | - | Krossa, Gus | --NR-- |
|
10
| 'Krossa Cream Edge' | Small | Med-Green | Marginal | White | Unknown | Deep-Purple | August | Krossa, Gus | .1997 |
|
11
| 'Krossa Cream Puff' | - | - | - | - | Unknown | - | - | Krossa, Gus | --NR-- |
|
12
| 'Krossa E-3' | - | - | - | - | Unknown | - | - | Krossa, Gus | --NR-- |
|
13
| 'Krossa F-8' | - | Yellow | - | - | Unknown | - | - | Krossa, Gus | --NR-- |
|
14
| 'Krossa G-2' | - | - | - | - | Unknown | - | - | Starker, Carl & Krossa, Gus | --NR-- |
|
15
| 'Krossa J-2' | Miniature | - | - | - | Unknown | - | - | Krossa, Gus | --NR-- |
|
16
| 'Krossa Regal' | Giant | Blue/Green | - | - | Hybrid | Pale-Lavender | July into August | Krossa, Gus & Summers, Alex | .1980 |
|
17
| 'Krossa Variegated' | Medium | Blue/Green | Streaked | Speckles | Unknown | Med-Lavender | July | Krossa, Gus | --NR-- |
|
18
| 'Livonia' | Medium | Med-Green | - | - | Unknown | Deep-Purple | August | Klose, Heinz & Krossa, Gus & Ruh, Peter | .1998 |
|
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
| 'Samuel 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 | Krossa, Gus & Ruh, Peter | .1983 |
|
25
| 'White Knight' | Large | Med-Green | - | - | Unknown | Pure-White | July into August | Krossa, Gus & Ruh, Peter | .2004 .2018 |
|