| No. | Cultivar Name | Plant Size | Leaf Color | Variegation | Var Color | Origin | Flower Color | Season | Source | Registered |
|
1
| 'Saikoku Shironakafu' | Medium | Dark-Green | Medial | White | Sport | Light-Purple | August to September | Unknown | --NR-- |
|
2
| 'School Mouse' | Small | Blue/Green | Marginal | Yellow | TC Sport | Light-Purple | July | Hansen, Hans & Walters Gardens | --NR-- |
|
3
| 'Sea Mermaid' | Medium | Yellow-Gold | | - | Unknown | Near-White | June | Seaver, Mildred & Walek, Kevin & The American Hosta Society | .2009 |
|
4
| 'Sea Zebra Gold' | Medium | Yellow | | - | Sport | Light-Purple | July | Lydell, Ransom | --NR-- |
|
5
| 'Seisu' | Medium | Med-Green | | - | Sport | Light-Purple | June into July | Unknown | --NR-- |
|
6
| 'Sekkei' (Longipes) | Medium | Dark-Green | | - | Sport | Light-Purple | August to September | Unknown | --NR-- |
|
7
| 'Sharon Stone' | Medium | Blue/Green | Streaked | Yellow | Sport | Light-Purple | September | Van den Top, Jan | --NR-- |
|
8
| 'Sheaf of Grain' | Large | Med-Green | Medial | Yellow | Sport | Near-White | August to September | O'Brien, John | --NR-- |
|
9
| 'Shirofukurin', H. capitata | Medium | Dark-Green | Marginal | White | Sport | Light-Purple | June into July | Unknown | --NR-- |
|
10
| 'Shunrai Iwa' | Medium | Med-Green | Streaked | Yellow | Sport | Light-Purple | August to September | Tanaka, Katsuyoshi | --NR-- |
|
11
| 'Sibling Rivalry' | Medium | Blue/Green | | | Unknown | Med-Lavender | - | Kijanska, Pola | --NR-- |
|
12
| 'Silesian Freestyle' | Medium | Blue/Green | | | Unknown | Med-Lavender | - | Kijanska, Pola | --NR-- |
|
13
| 'Silver Rim' | Medium | Blue/Green | | - | Hybrid | Near-White | June into July | Minks, Eldren | .1980 |
|
14
| 'Skinny Mouse' | Small | Light-Green | | - | Sport | Light-Purple | July | Van Eechaute, Danny | --NR-- |
|
15
| 'Skylight' | Medium | Blue/Green | | - | Hybrid | Pale-Lavender | June | Stegeman, Bev & Stegeman, Dave | .2001 |
|
16
| 'Soules' Pruinose' | Medium | Med-Green | | - | Unknown | Near-White | August to September | Soules, Marjorie | --NR-- |
|
17
| 'Spinning Wheel' | Large | Yellow | Marginal | Blue-Green | Sport | Near-White | June | Seaver, Mildred & Walek, Kevin & The American Hosta Society | .2009 |
|
18
| 'Sprengeri' | Large | Dark-Green | | - | Sport | Pale-Lavender | July into August | Unknown | --NR-- |
|
19
| 'Spring Love' | Medium | Blue/Green | Medial | Yellow | Sport | Near-White | June into July | Van den Top, Jan | --NR-- |
|
20
| 'Spring Morning' | Medium | Light-Green | Marginal | White | Unknown | Med-Lavender | July | Unknown | --NR-- |
|
21
| 'Squash Edge' | Large | Blue/Green | Marginal | Yellow | TC Sport | Near-White | June | Ruh, Peter | .2001 |
|
22
| 'St. Nicholas' | Medium | Med-Green | | - | Unknown | Near-White | August to September | Zolock, Steve & Zolock, Sarah | .2007 |
|
23
| 'Stormy Lakes' | Large | Blue/Green | | - | Hybrid | Pale-Lavender | June into July | Goodale, T. | .2009 |
|
24
| 'Summer Snowstorm' | Medium | Med-Green | | | Unknown | Pure-White | August to September | Avent, Tony | --NR-- |
|
25
| 'Sun Disk' | Large | Blue/Green | Marginal | Yellow | Hybrid | Near-White | June | Seaver, Mildred | .2004 |
|