No. | Cultivar Name | Source | Plant Size | Leaf Color | Variegation | Var Color | Origin | Flower Color | Season | Registered |
1
| 'Ra' | Balitewicz, Bob | Large | Yellow | | - | Hybrid | Pale-Lavender | July into August | --NR-- |
2
| 'Rain Forest' | Goodwin, Randy | Large | Med-Green | | - | Hybrid | Pale-Lavender | August September October | .1996 |
3
| 'Raving Beauty' | Goodwin, Randy | Large | Yellow | | - | Unknown | Unknown | - | .2003 |
4
| 'Ravinia' | Goodwin, Randy | Small | Med-Green | Marginal | White | Sport | Med-Lavender | August | .2013 |
5
| 'Red Reject' | Stegeman, Bev & Stegeman, Dave | Medium | Med-Green | | - | Unknown | Unknown | - | --NR-- |
6
| 'Red Socks' | Goodwin, Randy | Medium | Med-Green | Medial | Yellow | Unknown | Unknown | - | --NR-- |
7
| 'Red Stepper' | Goodwin, Randy | Medium | Med-Green | | - | Hybrid | Light-Purple | August | .1996 |
8
| 'Reese's Pieces' | Ragland, Butch | Large | Blue/Green | Medial | Yellow | Unknown | Unknown | - | --NR-- |
9
| 'Reflections' | Goodwin, Randy | Medium | Dark-Green | Marginal | White | Unknown | Unknown | June into July | .2005 |
10
| 'Remembrance' | Skaggs, Virginia & Skaggs, Brian & Gilligan, Madelon | Medium | Blue/Green | Marginal | Yellow | Hybrid | Unknown | June into July | .2015 |
11
| 'Rendez Vous' | Ragland, Butch | Large | Blue/Green | Medial | Yellow | Unknown | Unknown | - | --NR-- |
12
| 'Retread' | Nyikos, Frank | Small | Med-Green | Marginal | White | Hybrid | Pale-Lavender | July | .2000 |
13
| 'Rhino' | Goodwin, Randy | Medium | Med-Green | Marginal | White | Sport | Pale-Lavender | August to September | .2000 |
14
| 'Ripped' | Soules, Marjorie & Goodenough, Rick | Large | Blue/Green | | - | Unknown | Pale-Lavender | July | --NR-- |
15
| 'Rise and Shine' | Goodwin, Randy | Large | Yellow | | - | Hybrid | Pale-Lavender | July into August | .2006 |
16
| 'Ritz Glitz' | Goodwin, Randy | Small | Med-Green | Marginal | White | Unknown | Pale-Lavender | August to September | .2020 |
17
| 'Riverboat Queen' | Petryszyn, Olga & Fox, Bob | Giant | Med-Green | | - | Unknown | Pale-Lavender | June into July | .2019 |
18
| 'Robin's Pride' | Goodwin, Randy | Large | Blue/Green | | - | Unknown | Unknown | June into July | .2000 |
19
| 'Rocket City' | Goodwin, Randy | Small | Yellow | | - | Unknown | Unknown | - | .2014 |
20
| 'Rocket's Red Glare' | Stegeman, Bev & Stegeman, Dave | Medium | Med-Green | | - | Hybrid | Pale-Lavender | August to September | .2012 |
21
| 'Rubies and Ruffles' | Goodwin, Randy | Medium | Dark-Green | Marginal | White | Unknown | Med-Lavender | August to September | .2009 |
22
| 'Ruffles' | Lehman, Dick & The American Hosta Society | Medium | Med-Green | | - | Unknown | Pale-Lavender | - | .1986 |
23
| 'Ruffles and Flourishes' | Goodwin, Randy | Small | Light-Green | Marginal | White | Unknown | Near-White | July | .2019 |
24
| 'Ruffles n Ridges' | Fox, Bob & Fox Hosta Farm | Giant | Blue/Green | | - | Hybrid | Med-Lavender | June into July | .2018 |
25
| 'Rupiana' | Balitewicz, Bob | Large | Blue/Green | | - | Hybrid | Unknown | - | --NR-- |
26
| 'Russell Square' | Crockett, Clyde | Medium | Blue/Green | | - | Unknown | Unknown | - | --NR-- |
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