| No. | Cultivar Name | Plant Size | Leaf Color | Variegation | Var Color | Origin | Flower Color | Season | Source | Registered |
|
1
| 'A Step Beyond' | Large | Blue/Green | Marginal | Yellow | Sport | Pale-Lavender | July | Lysne, Rod | .2019 |
|
2
| 'Abba Dabba Do' | Large | Dark-Green | Marginal | Greenish White | Sport | Pale-Lavender | July into August | Avent, Tony | .1998 |
|
3
| 'Abiqua Recluse' | Large | Yellow | | - | Hybrid | Near-White | June into July | Walden West Nursery | .1989 |
|
4
| 'Abiqua Trumpet' | Small | Blue/Green | | - | Unknown | Pale-Lavender | July into August | Walden West Nursery | .1987 |
|
5
| 'Aphrodite' | Large | Med-Green | | - | Sport | Pure-White | August September October | Maekawa, Dr Fumio & Schmid, W. George & Walek, Kevin & The American Hosta Society | .2009 |
|
6
| 'Apostel' | Medium | Med-Green | | - | Hybrid | Deep-Purple | July into August | Ragus, Gerhard & Ragus, Renate | .2020 |
|
7
| 'Aquarius' | Medium | Light-Green | | - | Hybrid | Med-Lavender | July | Husemann, Jim | .2009 |
|
8
| 'August Moon' | Large | Yellow | | - | Hybrid | Pale-Lavender | July into August | Langfelder, Richard & Ruh, Peter | .1996 |
|
9
| 'Aurore Boréale' | Small | Light-Green | | - | Unknown | Near-White | June into July | Bastille, Jocelyne | --NR-- |
|