| No. | Cultivar Name | Plant Size | Leaf Color | Variegation | Var Color | Origin | Flower Color | Season | Source | Registered |
|
1
| 'Bishop George Bell' | Small | Light-Green | | - | Unknown | - | - | Bowden, Roger & Bowden, Ann | --NR-- |
|
2
| 'Devon Blue' | Medium | Blue/Green | - | - | Unknown | Pale-Lavender | July into August | Smith, Eric & Bowden, Roger & Bowden, Ann | .1988 |
|
3
| 'Devon Cloud' | Medium | Med-Green | Medial | Yellow | Sport | Med-Lavender | July | Bowden, Roger & Bowden, Ann | --NR-- |
|
4
| 'Devon Desire' | Giant | Med-Green | - | - | Unknown | Pale-Lavender | July | Bowden, Roger & Bowden, Ann & Ruh, Peter | .2010 |
|
5
| 'Devon Dream' | Small | Blue/Green | - | - | Sport | Med-Lavender | July into August | Bowden, Roger & Bowden, Ann | --NR-- |
|
6
| 'Devon Hills' | Large | Dark-Green | - | - | Hybrid | Near-White | July | Bowden, Roger & Bowden, Ann & Ruh, Peter & Ruh, Jean | .2010 |
|
7
| 'Eldorado' | Large | Blue/Green | Marginal | Yellow | Unknown | - | - | Smith, Eric & Bowden, Roger & Bowden, Ann | --NR-- |
|
8
| 'Green Guppy' | Miniature | Light-Green | - | - | Unknown | Light-Purple | - | Bowden, Roger & Bowden, Ann | --NR-- |
|