| No. | Cultivar Name | Plant Size | Leaf Color | Variegation | Var Color | Origin | Flower Color | Season | Source | Registered |
|
1
| 'Sea Biscuit' | Medium | Dark-Green | | - | Unknown | Med-Lavender | June into July | Seaver, Mildred | --NR-- |
|
2
| 'Second Coming' | Medium | Dark-Green | Streaked | White | Sport | Pale-Lavender | August | Bennett, Gerry | --NR-- |
|
3
| 'Shade Glow' | Medium | Yellow | | - | Unknown | - | - | Unknown | --NR-- |
|
4
| 'Shapur's Sceptre' | Medium | Med-Green | | - | Hybrid | Light-Purple | August | Malloy, Alex | .2003 |
|
5
| 'Skyward' | Large | Blue/Green | | - | Hybrid | Pale-Lavender | June into July | Elslager, Ed | .2000 |
|
6
| 'Squash Casserole' | Large | Yellow | Marginal | Blue-Green | Hybrid | Light-Purple | July | Avent, Tony | .1995 |
|
7
| 'Stan Kuk' | Large | Dark-Green | Marginal | Yellow | Hybrid | Near-White | June into July | Kuk, Bob | --NR-- |
|
8
| 'Stardust' | Large | Yellow | | - | Hybrid | Pale-Lavender | July | Ward, Dr Dick & Ward, Jane | .1998 |
|
9
| 'Step Sister' | Medium | Light-Green | Marginal | Blue-Green | Sport | Near-White | June | Draheim, Gerald & Trucks, Gary | --NR-- |
|
10
| 'Summer Dress' | Large | Light-Green | | - | Hybrid | Med-Lavender | July | Syre-Herz, Ursula | .1990 |
|
11
| 'Summer Olympics' | Large | Yellow | | - | TC Sport | Pale-Lavender | July | Zilis, Mark | .2004 |
|
12
| 'Sunlight Sister' | Large | Light-Green | | - | Unknown | Near-White | June | Nesmith, Elizabeth & The American Hosta Society | .1986 |
|
13
| 'Swan Lake' | Large | Blue/Green | | - | Hybrid | Pale-Lavender | August | Sugita, Hajime & Ruh, Peter | .1998 |
|