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No. | Cultivar Name | Plant Size | Leaf Color | Variegation | Var Color | Origin | Flower Color | Season | Source | Registered |
1
| 'Sandpaper' | Small | Blue/Green | | - | Unknown | Unknown | - | Brashear, Carol | --NR-- |
2
| 'Save Poor Lily' | Large | Dark-Green | | - | Unknown | Unknown | - | Brashear, Carol | --NR-- |
3
| 'Scallion Pancakes' | Medium | Med-Green | | - | Unknown | Unknown | - | Scheer, Alttara | --NR-- |
4
| 'Serpentine' | Medium | Light-Green | | - | Hybrid | Med-Lavender | July into August | Scheer, Alttara & Gilligan, Madelon | .2015 .2018 |
5
| 'Sharmon D-Improved' | Medium | Med-Green | Streaked | Yellow | Hybrid | Unknown | - | Payne, Henry | --NR-- |
6
| 'Sheaf of Grain' | Large | Med-Green | Medial | Yellow | Sport | Near-White | August to September | O'Brien, John | --NR-- |
7
| 'Sheila Macqueen' | Medium | Dark-Green | Streaked | Speckles | Unknown | Pale-Lavender | June into July | Bennerup, Pierre | .2000 |
8
| 'Shifting Perspectives' | Large | Med-Green | | - | Unknown | Unknown | - | Scheer, Alttara | --NR-- |
9
| 'Shimmy Shake' | Medium | Med-Green | | - | Unknown | Pale-Lavender | - | Scheer, Alttara | --NR-- |
10
| 'Silhouette' | Medium | Dark-Green | | | Unknown | Unknown | - | Meyer, Bill | --NR-- |
11
| 'Silk Road' (Scheer) | Medium | Blue/Green | | | Unknown | Unknown | - | Scheer, Alttara | --NR-- |
12
| 'Simply Naked' | Medium | Med-Green | Marginal | White | Unknown | Unknown | - | O'Brien, John | --NR-- |
13
| 'Snow Squall' | Large | Dark-Green | Medial | White | Sport | Pale-Lavender | July into August | O'Brien, John | --NR-- |
14
| 'South Seas' | Giant | Dark-Green | Medial | Yellow | Hybrid | Unknown | - | Sisson, Kathie | --NR-- |
15
| 'Spring Gold' (Stone) | - | Unknown | | - | Unknown | Unknown | - | Stone, David | --NR-- |
16
| 'Stardom' | Large | Yellow | | - | Unknown | Unknown | - | Sanford, Matt | --NR-- |
17
| 'Stephen King' | Medium | Med-Green | | - | Unknown | Light-Purple | June into July | Scheer, Alttara | --NR-- |
18
| 'Stir It Up' | Medium | Light-Green | | - | Unknown | Unknown | - | Scheer, Alttara | --NR-- |
19
| 'Stones' | Large | Dark-Green | | - | Sport | Pale-Lavender | June into July | Stone, David | --NR-- |
20
| 'Stones Golden Sunburst' | - | Yellow | | - | Unknown | Unknown | - | Stone, David | --NR-- |
21
| 'Stone's Valentine' | Medium | Yellow | | - | Unknown | Med-Lavender | July | Stone, David & Ruh, Peter | .1989 |
22
| 'Stone's Yellow Leaf' | Medium | Light-Green | | - | Unknown | Unknown | - | Stone, David & Ruh, Peter & Ruh, Jean | .2004 |
23
| 'Sunnybrook' | Medium | Blue/Green | Marginal | Yellow | Duplicate | Near-White | June | Stone, David & Ruh, Peter & Banyai, Pauline | .1987 |
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