| No. | Cultivar Name | Plant Size | Leaf Color | Variegation | Var Color | Origin | Flower Color | Season | Source | Registered |
|
1
| 'Rainbow Delight' | Small | Med-Green | Streaked | White | Unknown | - | July into August | Benedict, Dr Ralph (Herb) & Kuenster, Rod | .2010 |
|
2
| 'Ready Freddy' | Giant | Dark-Green | - | - | Unknown | Near-White | June into July | Asch, Stuart | .2010 |
|
3
| 'Red Bull' | Large | Med-Green | - | - | Hybrid | - | July into August | Van Eechaute, Danny | .2010 |
|
4
| 'Reddy Eddy' | Large | Dark-Green | - | - | Unknown | - | August to September | Benedict, Dr Ralph (Herb) & Kuenster, Rod | .2010 |
|
5
| 'Regal Tot' | Small | Light-Green | - | - | Hybrid | Light-Purple | July into August | Zilis, Mark | .2010 |
|
6
| 'Rhino Blue' | Large | Blue/Green | - | - | Sport | Near-White | June into July | Rawson, Don | .2010 |
|
7
| 'Rippled Treasure' | Medium | Med-Green | - | - | Hybrid | - | June into July | Zilis, Mark | .2010 |
|
8
| 'Robyn Duback' | Medium | Med-Green | Marginal | Yellow | Unknown | Med-Lavender | August to September | Benedict, Dr Ralph (Herb) & Kuenster, Rod | .2010 |
|
9
| 'Rock of Gibralter' | Large | Blue/Green | - | - | Sport | - | June into July | Zilis, Mark | .2010 |
|
10
| 'Run Around' | Medium | Med-Green | - | - | Unknown | - | July into August | Benedict, Dr Ralph (Herb) & Kuenster, Rod | .2010 |
|
11
| 'Rutherford Birchard Hayes' | Medium | Light-Green | - | - | Unknown | Med-Lavender | - | Ruh, Peter & Ruh, Jean | .2010 |
|