| No. | Cultivar Name | Plant Size | Leaf Color | Variegation | Var Color | Origin | Flower Color | Season | Source | Registered |
|
1
| 'Sagae' | Giant | Yellow | Marginal | Creamy White | Sport | Pale-Lavender | July into August | Watanabe, Kenji & Hagiwara, Eigon | .1987 |
|
2
| 'Evening Star' | Medium | Med-Green | - | - | Unknown | Med-Lavender | August to September | Watanabe, Kenji & Ruh, Peter | .2001 |
|
3
| 'Hakuyo' | Medium | Med-Green | - | - | Hybrid | Light-Purple | August to October | Watanabe, Kenji & Ruh, Peter | .2002 |
|
4
| 'Ko Seto' | Medium | Med-Green | - | - | Unknown | Med-Lavender | August | Watanabe, Kenji | .2002 |
|
5
| 'Otome-no-Ka' | Medium | Dark-Green | - | - | Unknown | Light-Purple | August | Watanabe, Kenji & Ruh, Peter | .2002 |
|
6
| 'Seto-no-aki' | Medium | Dark-Green | - | - | Unknown | Near-White | September | Watanabe, Kenji & Ruh, Peter | .2002 |
|
7
| 'Shirofukurin Hime Iwa' | Miniature | Dark-Green | Marginal | White | Sport | Pale-Lavender | September | Watanabe, Kenji & Ruh, Peter | .2002 |
|
8
| 'Kifukurin Ko Mame' | Miniature | Med-Green | Marginal | White | Sport | Light-Purple | August to September | Watanabe, Kenji & Ruh, Peter | .2002 .2018 |
|
9
| 'Kinba' | Large | Med-Green | - | - | Hybrid | Light-Purple | August to September | Watanabe, Kenji & Walek, Kevin & The American Hosta Society | .2009 |
|
10
| 'Akane' | Medium | Dark-Green | - | - | Unknown | Light-Purple | August to September | Watanabe, Kenji & Hawes, James & Ruh, Peter & Ruh, Jean | .2010 |
|