| No. | Cultivar | Plant Size | Leaf Color | Variegation | Var Color | Origin | Flower Color | Season | Source | Registered |
|
1
| 'Abba Fragrant Cloud' | Medium | Med-Green | Marginal | White | Unknown | Pure-White | July | Aden, Paul | .1990 |
|
2
| 'Above the Clouds' | Large | Blue/Green | | - | Hybrid | Near-White | July into August | Hansen, Hans | .2020 |
|
3
| 'August Clouds' | - | Unknown | | - | Unknown | Unknown | - | Unknown | --NR-- |
|
4
| 'Blue Cloud' | | - | | - | Duplicate | - | | Duplicate Name | |
|
5
| 'Chief Thundercloud' | Giant | Blue/Green | | - | Hybrid | Unknown | Unknown | Wade, Van | --NR-- |
|
6
| 'Chief White Cloud' | Giant | Blue/Green | | - | Hybrid | Pale-Lavender | August | Stegeman, Bev & Stegeman, Dave & Wade, Van | .2007 |
|
7
| 'Cirrus Clouds' | Medium | Yellow | Streaked | White | TC Sport | Pale-Lavender | July into August | Anderson, Jim | --NR-- |
|
8
| 'Cloud 9' | | - | | - | Duplicate | - | | Duplicate Name | --NR-- |
|
9
| 'Cloud Illusions' | Large | Med-Green | | | Hybrid | Deep-Purple | July into August | Dean, Don | .2022 |
|
10
| 'Cloud Lime' | Medium | Light-Green | | - | Unknown | Unknown | - | Serafin, Viktoria | --NR-- |
|
11
| 'Cloud Nine' | Giant | Med-Green | Streaked | Yellow | Sport | Med-Lavender | July | Trucks, Gary | --NR-- |
|
12
| 'Cloud Sweeper' | Giant | Med-Green | | - | Hybrid | Near-White | July into August | Zolock, Steve & Zolock, Sarah | .2003 |
|
13
| 'Cloudburst' | Medium | Blue/Green | | - | Hybrid | Light-Purple | July | Beilstein, Doug & Zilis, Mark | .2006 |
|
14
| 'Cloudburst Streaked' | Small | Blue/Green | Streaked | White | Sport | Pale-Lavender | June into July | Schwarz, Jim | --NR-- |
|
15
| 'Clouded Skies' | Medium | Blue/Green | | - | Hybrid | Med-Lavender | July into August | Avent, Tony | .2007 |
|
16
| 'Devon Cloud' | Medium | Med-Green | Medial | Yellow | Sport | Med-Lavender | July | Bowden, Roger & Bowden, Ann | --NR-- |
|
17
| 'Flemish Clouds' | Small | Blue/Green | Streaked | White | Sport | Med-Lavender | August to September | Van Eechaute, Danny | .2009 |
|
18
| 'Floating Clouds' | Large | Blue/Green | | | Unknown | Unknown | - | Meyer, Bill | --NR-- |
|
19
| 'Garnet Cloud' | Small | Light-Green | Medial | White | Unknown | Unknown | - | Orlando, John | --NR-- |
|
20
| 'Gosan August Clouds' | Large | Yellow | | - | Sport | Pale-Lavender | July into August | Schmid, W. George | --NR-- |
|
21
| 'Red Cloud' | Small | Blue/Green | Streaked | White | Hybrid | Pale-Lavender | July | Beilstein, Doug & The American Hosta Society | .2020 |
|
22
| 'Stormcloud' | Large | Dark-Green | | - | Unknown | Unknown | June into July | Kedl, Phyllis | .2010 |
|
23
| 'Thunder Clouds' | Large | Blue/Green | | - | Unknown | Near-White | - | Lydell, Ransom | --NR-- |
|
24
| 'Valley's Cloudbuster' | Small | Blue/Green | Marginal | White | Hybrid | Unknown | - | Linneman, Jeroen | .2022 |
|
25
| 'Valley's Cloudbuster Streaked' | Medium | Blue/Green | Streaked | Yellow | Nat-Sport | Unknown | - | Linneman, Jeroen | --NR-- |
|
26
| 'Valley's Cloudy Bay' | Large | Light-Green | Streaked | Yellow | Unknown | Unknown | - | Linneman, Jeroen | --NR-- |
|
27
| 'White Cloud' | Giant | Dark-Green | | - | Unknown | Unknown | - | Balitewicz, Bob | --NR-- |
|