| No. | Cultivar Name | Plant Size | Leaf Color | Variegation | Var Color | Origin | Flower Color | Season | Source | Registered |
|
1
| 'Bishop George Bell' | Small | Light-Green | | | Unknown | Unknown | Unknown | Bowden, Roger & Bowden, Ann | --NR-- |
|
2
| 'Devon Blue' | Medium | Blue/Green | | | Unknown | Pale-Lavender | July to 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 to August | Bowden, Roger & Bowden, Ann | --NR-- |
|
6
| 'Devon Giant' | Giant | Blue/Green | | | Hybrid | Near-White | July to August | Bowden, Roger | .2019 |
|
7
| 'Devon Gold' | Small | Light-Green | | | Unknown | Light-Purple | July | Bowden, Roger & Ruh, Peter | .2005 |
|
8
| 'Devon Green' | Medium | Dark-Green | | | Sport | Pale-Lavender | July | Bowden, Roger & Ruh, Peter | .2005 |
|
9
| 'Devon Hills' | Large | Dark-Green | | | Hybrid | Near-White | July | Bowden, Roger & Bowden, Ann & Ruh, Peter & Ruh, Jean | .2010 |
|
10
| 'Devon Mist' | Large | Blue/Green | | | Hybrid | Pale-Lavender | Unknown | Bowden, Roger & Ruh, Peter | .2005 |
|
11
| 'Devon Moor' | Medium | Med-Green | | | Unknown | Unknown | Unknown | Bowden, Roger | --NR-- |
|
12
| 'Devon Red' | Small | Med-Green | | | Hybrid | Unknown | Unknown | Bowden, Roger | --NR-- |
|
13
| 'Devon Tor' | Giant | Med-Green | | | Hybrid | Light-Purple | June to July | Bowden, Roger & Ruh, Peter | .2005 |
|
14
| 'Eldorado' | Large | Blue/Green | Marginal | Yellow | Unknown | Unknown | Unknown | Smith, Eric & Bowden, Roger & Bowden, Ann | --NR-- |
|
15
| 'Green Guppy' | Miniature | Light-Green | | | Unknown | Light-Purple | Unknown | Bowden, Roger & Bowden, Ann | --NR-- |
|
16
| 'Lemon Delight' | Medium | Med-Green | Marginal | Chartreuse | Sport | Deep-Purple | Unknown | Bowden, Roger & Ruh, Peter & Ruh, Jean | .2005 |
|
17
| 'Microtardiana' | Medium | Blue/Green | | | Unknown | Med-Lavender | August | Bowden, Roger | --NR-- |
|
18
| 'Myerscough Magic' | Large | Blue/Green | Medial | White | Sport | Near-White | June to July | Bowden, Roger | --NR-- |
|
19
| 'Saint Fiacre' | Small | Blue/Green | | | Hybrid | Pale-Lavender | Unknown | Bowden, Roger | --NR-- |
|
20
| 'Touchstone' | Medium | Med-Green | Marginal | White | Sport | Light-Purple | July to August | Bowden, Roger | --NR-- |
|