| 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 | - | - | Crockett, Clyde | --NR-- |
|
2
| 'Blaue Zunge' | Large | Blue/Green | - | - | Sport | Near-White | July | Crockett, Clyde | --NR-- |
|
3
| 'Brunswick Square' | Medium | Blue/Green | Marginal | Yellow | Unknown | - | - | Crockett, Clyde | --NR-- |
|
4
| 'C. C. Ryder' | Medium | Blue/Green | Marginal | White | Unknown | - | - | Stygall, Patsy & Crockett, Clyde | --NR-- |
|
5
| 'Clyde Redux' | Small | Med-Green | - | - | Unknown | - | - | Crockett, Clyde | --NR-- |
|
6
| 'Don Viejo' | Medium | Med-Green | - | - | Sport | Light-Purple | August | Crockett, Clyde | --NR-- |
|
7
| 'Earthshine' | Large | Light-Green | - | - | Sport | Pale-Lavender | June into July | Crockett, Clyde | --NR-- |
|
8
| 'Flat Tire' | Medium | Med-Green | - | - | Sport | Pale-Lavender | July | Crockett, Clyde | --NR-- |
|
9
| 'Gordon Square' | Small | Yellow | - | - | Unknown | - | - | Crockett, Clyde | --NR-- |
|
10
| 'King Edward' | Medium | Dark-Green | - | - | Unknown | - | - | Crockett, Clyde | --NR-- |
|
11
| 'Lytton Strachey' | Small | Light-Green | - | - | Unknown | - | - | Crockett, Clyde | --NR-- |
|
12
| 'Queen Ann' | Small | Yellow | - | - | Unknown | - | - | Knall, Ann & Crockett, Clyde | --NR-- |
|
13
| 'Russell Square' | Medium | Blue/Green | - | - | Unknown | - | - | Crockett, Clyde | --NR-- |
|
14
| 'Upper Woburn Place' | Large | - | - | - | Unknown | - | - | Crockett, Clyde | --NR-- |
|
15
| 'Washington Boulevard' | Small | Dark-Green | Marginal | Yellow | Unknown | - | - | Stygall, Patsy & Crockett, Clyde | --NR-- |
|
16
| 'Xebec' | Large | Blue/Green | Marginal | Yellow | Unknown | - | - | Stygall, Patsy & Crockett, Clyde | --NR-- |
|