| No. | Cultivar | Plant Size | Leaf Color | Variegation | Var Color | Origin | Flower Color | Season | Source | Registered |
|
1
| 'Abiqua Paradigm' | | - | | | Duplicate | - | | Duplicate Name | |
|
2
| 'Academy Flora' | Medium | Med-Green | | | Unknown | Pale-Lavender | July | Chamberlain, Steve | .1999 |
|
3
| 'Aestival Festival' | Medium | Yellow | | | Unknown | Pale-Lavender | July | Syre-Herz, Ursula | .1996 |
|
4
| 'Age of Aquarius' | Medium | Blue/Green | | | Hybrid | Near-White | July | Ward, Dr Dick & Ward, Jane | .2011 |
|
5
| 'Alba' | Small | Med-Green | | | Hybrid | Pure-White | August | Unknown | --NR-- |
|
6
| 'Alba Improved' | Unknown | Unknown | | | Sport | Unknown | Unknown | Arends, George | --NR-- |
|
7
| 'Albo-Aurea' | | - | | | Duplicate | - | | Duplicate Name | |
|
8
| 'Albomarginata Thunbergiana' | | - | | | Duplicate | - | | Duplicate Name | |
|
9
| 'Albomarginata', H. kikutii | | - | | | Duplicate | - | | Duplicate Name | |
|
10
| 'Albomarginata', H. sieboldii | Small | Med-Green | Marginal | White | Sport | Unknown | Unknown | Unknown | --NR-- |
|
11
| 'Albomarginata', H. undulata | | - | | | Duplicate | - | | Duplicate Name | |
|
12
| 'Albo-picta' | | - | | | Duplicate | - | | Duplicate Name | |
|
13
| 'Albopicta', H. helonioides | | | | | Duplicate | - | | Duplicate Name | |
|
14
| 'Albostricta' | | - | | | Duplicate | - | | Duplicate Name | |
|
15
| 'Alter Ego' | Large | Yellow | | | Hybrid | Unknown | July | Livingston, Ron | --NR-- |
|
16
| 'Ambrosia' | Large | Blue/Green | Medial | Yellow | Sport | Pale-Lavender | July to August | Solberg, Robert | .2016 |
|
17
| 'American Aurora Polaris' | Giant | Blue/Green | Marginal | Yellow | Sport | Near-White | June to July | Wade, Van | --NR-- |
|
18
| 'Amplissima' | Large | Med-Green | | | Unknown | Pale-Lavender | Unknown | Unknown | --NR-- |
|
19
| 'Appletini' | Small | Yellow | | | Hybrid | Light-Purple | August | Zilis, Mark | .2009 |
|
20
| 'Aquamarine' | Medium | Blue/Green | | | Unknown | Med-Lavender | July to August | Gossett, Gary & Terra Nova Nurseries | --NR-- |
|
21
| 'Augustus' | Medium | Med-Green | Marginal | White | Hybrid | Pale-Lavender | July to August | Tylinski, Stan & Malloy, Alex | .2003 |
|
22
| 'Aurea', H. lancifolia | | - | | | Duplicate | - | | Duplicate Name | |
|
23
| 'Aurea', H. longipes | Medium | Yellow | | | Hybrid | Light-Purple | August to September to October | Unknown | --NR-- |
|
24
| 'Aurea', H. nakaiana | | - | | | Duplicate | - | | Duplicate Name | |
|
25
| 'Aurea', H. nigrescens | | - | | | Duplicate | - | | Duplicate Name | |
|
26
| 'Aureafolia' | | - | | | Duplicate | - | | Duplicate Name | |
|
27
| 'Aureoalba' | | - | | | Duplicate | - | | Duplicate Name | |
|
28
| 'Aureocincta' | Medium | Dark-Green | Marginal | White | Sport | Unknown | Unknown | Unknown | --NR-- |
|
29
| 'Aureomaculata', H. ventricosa | Medium | Yellow | Marginal | Dark Green | Sport | Light-Purple | July | The American Hosta Society | .1987 |
|
30
| 'Aureomarginata', H. kikutii | | - | | | Duplicate | - | | Duplicate Name | |
|
31
| 'Aureomarginata', H. kiyosumiensis | | - | | | Duplicate | - | | Duplicate Name | |
|
32
| 'Aureomarginata', H. montana | Large | Med-Green | Marginal | Yellow | Sport | Pale-Lavender | July | Maekawa, Dr Fumio & The American Hosta Society | .1987 |
|
33
| 'Aureomarginata', H. pulchella | Small | Med-Green | Marginal | Yellow | Unknown | Unknown | Unknown | Unknown | --NR-- |
|
34
| 'Aureomarginata', H. rectifolia | | - | | | Duplicate | - | | Duplicate Name | |
|
35
| 'Aureomarginata', H. sieboldiana | | - | | | Duplicate | - | | Duplicate Name | |
|
36
| 'Aureomarginata', H. ventricosa | Large | Dark-Green | Marginal | White | Sport | Light-Purple | July | Hensen, Karel & Bloom, Alan & The American Hosta Society | .1986 |
|
37
| 'Aureostriata' | | - | | | Duplicate | - | | Duplicate Name | |
|
38
| 'Aureus' | | - | | | Duplicate | - | | Duplicate Name | |
|
39
| 'Aurora Borealis' | Large | Blue/Green | Marginal | Yellow | Sport | Near-White | June to July | Rudolph, Thelma & Walters Gardens | .1986 |
|
40
| 'Aurora Green' | Large | Med-Green | | | Unknown | Unknown | Unknown | Unknown | --NR-- |
|
41
| 'Aurora Spokes' | Small | Dark-Green | Marginal | Yellow | Unknown | Unknown | Unknown | O'Harra, Russ | --NR-- |
|
42
| 'Aurora's Glow' | Medium | Med-Green | Marginal | Green | Sport | Med-Lavender | July to August | McHugh, Ed | .2012 |
|
43
| 'Aurora's Gold' | Unknown | Unknown | | | Unknown | Unknown | Unknown | Unknown | |
|