| No. | Cultivar Name | Plant Size | Leaf Color | Variegation | Var Color | Origin | Flower Color | Season | Source | Registered |
|
1
| 'Sahara Nights' | Small | Blue/Green | | | Unknown | Med-Lavender | July | Terpening, Kent | --NR-- |
|
2
| 'Saint Fiacre' | Small | Blue/Green | | | Hybrid | Pale-Lavender | Unknown | Bowden, Roger | --NR-- |
|
3
| 'Salty Blue' | Medium | Blue/Green | | | Hybrid | Pure-White | August | Nyikos, Frank | .2011 |
|
4
| 'Scimitar' | Medium | Blue/Green | | | Hybrid | Unknown | July to August | Tucker, Jeff-NC | .2016 |
|
5
| 'Sir Dave' | Large | Blue/Green | | | Hybrid | Near-White | June to July | Kwick, Charles | .2022 |
|
6
| 'Sky Dancer' | Medium | Blue/Green | | | Hybrid | Pale-Lavender | August to September | Van Eechaute, Danny | .2003 |
|
7
| 'Skywalker' | Large | Blue/Green | | | TC Sport | Near-White | June to July | Zilis, Mark | .2011 |
|
8
| 'Slim and Trim' | Small | Blue/Green | | | Sport | Light-Purple | July | Benedict, Dr Ralph (Herb) | --NR-- |
|
9
| 'Something Special' | Giant | Blue/Green | | | Sport | Near-White | June to July | Unknown | --NR-- |
|
10
| 'Stephen' | Small | Blue/Green | | | Hybrid | Med-Lavender | July | Weissenberger, Henry | .1986 |
|
11
| 'Stonewall' | Giant | Blue/Green | | | Hybrid | Light-Purple | June to July | Malloy, Alex | .2001 |
|
12
| 'Sunfish Blue' | Giant | Blue/Green | | | Unknown | Unknown | July to August | Sauve, Criste | .2004 |
|
13
| 'Susan and Steve' | Large | Blue/Green | Streaked | Yellow | Hybrid | Pale-Lavender | June to July | Owens, Clarence | .2021 |
|