| No. | Cultivar Name | Plant Size | Leaf Color | Variegation | Var Color | Origin | Flower Color | Season | Source | Registered |
|
1
| 'Rainy Day' | Medium | Med-Green | Medial | White | Hybrid | Pale-Lavender | June into July | Ward, Dr Dick & Ward, Jane | .2014 |
|
2
| 'Rendezvous' | Medium | Blue/Green | Marginal | White | Sport | Pale-Lavender | July into August | Zilis, Mark & Schwarz, Jim | .2014 |
|
3
| 'Richland Reward' | Medium | Yellow | Marginal | White | TC Sport | Pale-Lavender | July into August | Schulz, Ed | .2014 |
|
4
| 'Riding High' | Giant | Dark-Green | - | - | Unknown | - | June into July | Ward, Dr Dick & Ward, Jane | .2014 |
|
5
| 'River of Gold' | Large | Yellow | - | - | Unknown | Pale-Lavender | June into July | Ward, Dr Dick & Ward, Jane | .2014 |
|
6
| 'Rocket City' | Small | Yellow | - | - | Unknown | - | - | Goodwin, Randy | .2014 |
|
7
| 'Royal Wedding' | Medium | Med-Green | Marginal | White | TC Sport | Pure-White | August to September | Bergeron, Amy & Walters Gardens | .2014 |
|
8
| 'Ruth' | Medium | Blue/Green | - | - | Sport | Pale-Lavender | June into July | Schwarz, Jim & Schwarz, Karen | .2014 |
|