| No. | Cultivar Name | Plant Size | Leaf Color | Variegation | Var Color | Origin | Flower Color | Season | Source | Registered |
|
1
| 'Sea Gentian' | - | - | - | - | Duplicate | - | - | Duplicate Name | --NR-- |
|
2
| 'Seaweed' | - | Med-Green | - | - | Unknown | - | - | Desmedt, Rik | --NR-- |
|
3
| 'Sister Rose' | - | - | - | - | Unknown | - | - | Unknown | --NR-- |
|
4
| 'Spearmint' | - | - | - | - | Duplicate | - | - | Duplicate Name | --NR-- |
|
5
| 'Spring Beauty' (Banyai) | Medium | Light-Green | Marginal | Creamy White | Unknown | - | - | Banyai, Bruce | --NR-- |
|
6
| 'Squash Blossom' | Medium | Blue/Green | Marginal | Yellow | Unknown | - | June into July | Tompkins, Chet & Ruh, Peter & Ruh, Jean | .2005 |
|
7
| 'Squash Casserole' | Large | Yellow | Marginal | Blue-Green | Hybrid | Light-Purple | July | Avent, Tony | .1995 |
|
8
| 'Squash Edge' | Large | Blue/Green | Marginal | Yellow | TC Sport | Near-White | June | Ruh, Peter | .2001 |
|
9
| 'Stargazer' | Small | Med-Green | Marginal | White | Hybrid | Deep-Purple | June into July | Avent, Tony | .2007 |
|
10
| 'Stella Viola' | Medium | Blue/Green | - | - | Unknown | - | - | Tompkins, Chet | --NR-- |
|
11
| 'Strawberry Banana Smoothie' | Medium | Light-Green | - | - | Hybrid | - | July into August | Solberg, Robert | .2008 |
|
12
| 'Strawberry Banana Sundae' | - | - | - | - | Unknown | - | - | Unknown | --NR-- |
|
13
| 'Strawberry Delight' | Medium | Med-Green | - | - | Hybrid | Light-Purple | September | Sugita, Hajime & Ruh, Peter | .1998 |
|
14
| 'Strawberry Parfait' | Large | Yellow | - | - | Hybrid | Pale-Lavender | August to October | Dean, Don | .2004 |
|
15
| 'Strawberry Ripple' | Large | Dark-Green | Streaked | White | Hybrid | Med-Lavender | June into July | Elslager, Ed | .2004 |
|
16
| 'Strawberry Surprise' | Medium | Blue/Green | Marginal | Yellow | Hybrid | Pale-Lavender | July into August | Dean, Don | .2008 |
|
17
| 'Strawberry Yogurt' | Small | Blue/Green | - | - | Hybrid | Light-Purple | August | Zilis, Mark | .2009 |
|
18
| 'Sugar Plum Fairy' | Small | Dark-Green | - | - | Hybrid | Light-Purple | August | Briggs Nursery-WA | .1987 |
|
19
| 'Sunflower' | - | - | - | - | Unknown | - | - | Unknown | --NR-- |
|
20
| 'Sweet William' | Large | Dark-Green | Streaked | White | Hybrid | Med-Lavender | July | Asch, Stuart | .2004 |
|
21
| 'Sycamore Creek' | Large | Dark-Green | Streaked | White | Hybrid | - | - | Moore, Jeff | --NR-- |
|