| No. | Cultivar Name | Plant Size | Leaf Color | Variegation | Var Color | Origin | Flower Color | Season | Source | Registered |
|
1
| 'Blue Splendor' | Large | Blue/Green | | | Unknown | Near-White | July | Klehm, Roy & Ruh, Peter | .2002 |
|
2
| 'Emerald Skies' | Medium | Med-Green | | | TC Sport | Pale-Lavender | August to September | Klehm, Roy & Walek, Kevin & The American Hosta Society | .2009 |
|
3
| 'Exotic Blue Skies' | Medium | Med-Green | Marginal | White | Sport | Pale-Lavender | August to September to October | Klehm, Roy | --NR-- |
|
4
| 'Exotic Frances Williams' | Large | Blue/Green | Marginal | White | TC Sport | Near-White | July | Klehm, Roy | --NR-- |
|
5
| 'Green Angel' | Giant | Med-Green | | | TC Sport | Near-White | June | Klehm, Roy | .1990 |
|
6
| 'Green Velveteen' | Large | Med-Green | | | Sport | Near-White | July to August | Klehm, Roy | .1999 |
|
7
| 'Green Wedge' (Klehm) | Large | Light-Green | | | Unknown | Near-White | July | Klehm, Roy | --NR-- |
|
8
| 'Junior Miss' | Medium | Dark-Green | Marginal | Yellow | Sport | Light-Purple | July | Klehm, Roy | .1999 |
|
9
| 'Littlest Angel' | Miniature | Med-Green | Medial | White | Hybrid | Light-Purple | July | Klehm, Roy & Walek, Kevin & The American Hosta Society & Nance, Cindy | .2009 |
|
10
| 'Mademoiselle' | Small | Med-Green | Medial | White | Sport | Pale-Lavender | July | Klehm, Roy | .1999 |
|
11
| 'Maekawa' | Medium | Med-Green | | | Sport | Pale-Lavender | July to August | Klehm, Roy & Walek, Kevin & The American Hosta Society | .2009 |
|
12
| 'Nutty Professor' | Medium | Blue/Green | Marginal | Yellow | Sport | Pale-Lavender | July | Klehm, Roy | .2004 |
|
13
| 'Silver Lode' | Large | Dark-Green | Medial | White | Sport | Pale-Lavender | July | Klehm, Roy | .1999 |
|
14
| 'Summer Joy' | Large | Blue/Green | Medial | White | Sport | Pure-White | Unknown | Klehm, Roy | .1998 |
|
15
| 'Summer Music' | Medium | Med-Green | Medial | White | Sport | Pale-Lavender | July | Klehm, Roy | .1998 |
|
16
| 'Summer Serenade' | Large | Yellow | Marginal | Dark Green | Sport | Near-White | June | Klehm, Roy | .1998 |
|
17
| 'Venetian Skies' | Large | Blue/Green | Marginal | White | Sport | Unknown | Unknown | Klehm, Roy | --NR-- |
|
18
| 'Vera Verde' | Miniature | Med-Green | Marginal | White | Sport | Deep-Purple | Unknown | Klehm, Roy & Aden, Paul | .1990 |
|