| Cultivar Name | Plant Size | Leaf Color | Variegation | Var Color | Origin | Flower Color | Season | Source | Registered |
| 'Sea Sprite' | Small | Yellow | Marginal | Dark Green | Hybrid | Pale-Lavender | August to October | Seaver, Mildred | .1978 |
| 'September Sun' | Large | Blue/Green | Medial | Yellow | Sport | Pale-Lavender | July into August | Solberg, Robert | .1985 |
| 'Shade Fanfare' | Medium | Med-Green | Marginal | Creamy White | Sport | Pale-Lavender | July | Aden, Paul | .1986 |
| 'Sharon's Choice' | Small | Med-Green | Streaked | Yellow | Hybrid | - | July into August | Hicks, Gerry | .2014 |
| 'Shining Tot' | Miniature | Med-Green | - | - | Hybrid | Light-Purple | August | Aden, Paul | .1982 |
| 'Shoehorn' | - | Med-Green | - | - | Unknown | - | June into July | Freeman, Franc & Freeman, Sally | .2008 |
| 'So Sweet' | Large | Med-Green | Marginal | Creamy White | Hybrid | Pale-Lavender | August | Vaughn, Kevin & Aden, Paul | .1986 |
| 'Spritzer' | Medium | Yellow | Marginal | Greenish White | Hybrid | Pale-Lavender | August to October | Aden, Paul | .1986 |
| 'Sum and Substance' | Giant | Light-Green | - | - | Unknown | Pale-Lavender | July into August | Shaw, Florence & Aden, Paul | .1980 |
| 'Sun Power' | Large | Yellow | - | - | Hybrid | Pale-Lavender | July | Aden, Paul | .1986 |
| 'Sundance' | Large | Dark-Green | Marginal | White | TC Sport | Pale-Lavender | - | Walters Gardens | .1984 |
| 'Sunset Grooves' | Medium | Light-Green | Marginal | Dark Green | Sport | Near-White | July into August | Heemskerk, Gerardus | .2011 |
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