No. | Cultivar Name | Plant Size | Leaf Color | Variegation | Var Color | Origin | Flower Color | Season | Source | Registered |
1
| 'Biting Rosebud' | Large | Dark-Green | Streaked | White | Unknown | Unknown | Unknown | Crockett, Clyde | --NR-- |
2
| 'Blaue Zunge' | Large | Blue/Green | | | Sport | Near-White | July | Crockett, Clyde | --NR-- |
3
| 'Broad Ripple' | Small | Light-Green | Marginal | Yellow | Unknown | Pale-Lavender | June to July | Crockett, Clyde | .1995 |
4
| 'Broadway Frances' | Large | Blue/Green | Marginal | Yellow | Sport | Near-White | June to July | Crockett, Clyde | .1997 |
5
| 'Brunswick Square' | Medium | Blue/Green | Marginal | Yellow | Unknown | Unknown | Unknown | Crockett, Clyde | --NR-- |
6
| 'C. C. Ryder' | Medium | Blue/Green | Marginal | White | Unknown | Unknown | Unknown | Stygall, Patsy & Crockett, Clyde | --NR-- |
7
| 'Clyde Redux' | Small | Med-Green | | | Unknown | Unknown | Unknown | Crockett, Clyde | --NR-- |
8
| 'Count Dracula' | Medium | Dark-Green | | | Unknown | Pale-Lavender | August to September | Crockett, Clyde | .1997 |
9
| 'Don Viejo' | Medium | Med-Green | | | Sport | Light-Purple | August | Crockett, Clyde | --NR-- |
10
| 'Earthshine' | Large | Light-Green | | | Sport | Pale-Lavender | June to July | Crockett, Clyde | --NR-- |
11
| 'Flat Clyde' | Small | Dark-Green | | | Unknown | Pale-Lavender | July to August | Crockett, Clyde | .1997 |
12
| 'Flat Tire' | Medium | Med-Green | | | Sport | Pale-Lavender | July | Crockett, Clyde | --NR-- |
13
| 'Gordon Square' | Small | Yellow | | | Unknown | Unknown | Unknown | Crockett, Clyde | --NR-- |
14
| 'King Edward' | Medium | Dark-Green | | | Unknown | Unknown | Unknown | Crockett, Clyde | --NR-- |
15
| 'Lytton Strachey' | Small | Light-Green | | | Unknown | Unknown | Unknown | Crockett, Clyde | --NR-- |
16
| 'Monument Circle' | Medium | Light-Green | Medial | White | Nat-Sport | Unknown | June to July | Crockett, Clyde | .1995 |
17
| 'Queen Ann' | Small | Yellow | | | Unknown | Unknown | Unknown | Knall, Ann & Crockett, Clyde | --NR-- |
18
| 'Russell Square' | Medium | Blue/Green | | | Unknown | Unknown | Unknown | Crockett, Clyde | --NR-- |
19
| 'Upper Woburn Place' | Large | Unknown | | | Unknown | Unknown | Unknown | Crockett, Clyde | --NR-- |
20
| 'Washington Boulevard' | Small | Dark-Green | Marginal | Yellow | Unknown | Unknown | Unknown | Stygall, Patsy & Crockett, Clyde | --NR-- |
21
| 'Wassup' | Large | Light-Green | | | Hybrid | Pale-Lavender | July to August | Crockett, Clyde | .2000 |
22
| 'Xebec' | Large | Blue/Green | Marginal | Yellow | Unknown | Unknown | Unknown | Stygall, Patsy & Crockett, Clyde | --NR-- |
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