| No. | Cultivar Name | Plant Size | Leaf Color | Variegation | Var Color | Origin | Flower Color | Season | Source | Registered |
|
1
| 'Saishu Elmo' | Small | Dark-Green | | - | Unknown | Near-White | - | Benedict, Dr Ralph (Herb) | --NR-- |
|
2
| 'Sarojini' | Small | Med-Green | | | Unknown | Med-Lavender | August to September | Zolock, Steve | .2022 |
|
3
| 'Scooby Doo' | Small | Med-Green | | - | Unknown | Unknown | - | Benedict, Dr Ralph (Herb) | --NR-- |
|
4
| 'Searchlight' | Medium | Med-Green | Streaked | White | Sport | Med-Lavender | July into August | Malloy, Tony | .2001 |
|
5
| 'Shogun' | Large | Med-Green | Marginal | White | Unknown | Pale-Lavender | July | Aden, Paul & Zilis, Mark & The American Hosta Society | .2010 |
|
6
| 'Showtime' (Aden) | Large | Med-Green | Marginal | White | Hybrid | Near-White | July | Aden, Paul | .1987 |
|
7
| 'Sky King' | Medium | Med-Green | | - | Hybrid | Med-Lavender | July into August | Purvis, Owen & Purvis, Sue | .2009 |
|
8
| 'Sneak Preview' | Small | Yellow | | - | Hybrid | Unknown | June into July | Ward, Dr Dick & Ward, Jane | .2010 |
|
9
| 'Spike Jones' | Medium | Med-Green | | - | Hybrid | Pale-Lavender | August | Schulz, Ed | .2002 |
|
10
| 'Spock's Ears' | Medium | Med-Green | | - | Hybrid | - | - | Dupre, Dirk | --NR-- |
|
11
| 'Star Struck' | Small | Med-Green | Marginal | Blue-Green | Sport | Med-Lavender | August | Wilkins, Dr Jim & Wilkins, Jill | .1995 |
|
12
| 'Starship Enterprise' | Medium | Light-Green | Streaked | Green | Sport | Pale-Lavender | July into August | Kwick, Charles | .2017 |
|
13
| 'Sunset Strip' | Giant | Blue/Green | Streaked | Yellow | Unknown | Pale-Lavender | July into August | Elslager, Ed | .2005 |
|