| No. | Cultivar Name | Plant Size | Leaf Color | Variegation | Var Color | Origin | Flower Color | Season | Source | Registered |
|
1
| 'Rasta' | Small | Yellow | | | Unknown | | | Beaulier, P.J. | --NR-- |
|
2
| 'Raucous Ruffles' | Medium | Blue/Green | - | - | Hybrid | - | - | Dean, Don | .2008 |
|
3
| 'Raving Beauty' | Large | Yellow | - | - | Unknown | - | - | Goodwin, Randy | .2003 |
|
4
| 'Regal Supreme' | Giant | Blue/Green | Marginal | White | Sport | Pale-Lavender | June into July | Van den Top, Jan & Van Eechaute, Danny | .2008 |
|
5
| 'Reid All About It' | Large | Dark-Green | Marginal | White | Hybrid | Pale-Lavender | July | Beilstein, Doug & Beilstein, Mardy | .2020 |
|
6
| 'Reptilian' | Large | Dark-Green | - | - | Unknown | Near-White | June into July | Sawyer, Rick & The American Hosta Society | .2019 |
|
7
| 'Reserved Parking' | Medium | Blue/Green | Marginal | Yellow | Unknown | | | Russo, Dave | --NR-- |
|
8
| 'Rip Curl' | Medium | Med-Green | - | - | Hybrid | Pale-Lavender | June | Lynch, P. | .2005 |
|
9
| 'Risa' | Small | Med-Green | - | - | Unknown | Med-Lavender | July into August | Dupre, Dirk | .2006 |
|
10
| 'Ritz Glitz' | Small | Med-Green | Marginal | White | Unknown | Pale-Lavender | August to September | Goodwin, Randy | .2020 |
|
11
| 'River Dance' | Medium | Blue/Green | | - | Hybrid | Pale-Lavender | July | Dean, Don | .2020 |
|
12
| 'Road Rage' | Medium | Med-Green | - | - | Hybrid | Deep-Purple | August | Beilstein, Doug | .2018 |
|
13
| 'Robust Giant' | Large | Light-Green | - | - | Unknown | - | June into July | Ruh, Peter & Ruh, Jean | .2005 |
|
14
| 'Rocket City' | Small | Yellow | - | - | Unknown | - | - | Goodwin, Randy | .2014 |
|
15
| 'Rostraver Heritage' | Large | Med-Green | - | - | Unknown | Near-White | July into August | Zolock, Steve & Zolock, Sarah | .2009 |
|
16
| 'Roughrider' | Medium | Med-Green | Marginal | White | Hybrid | Pure-White | August to September | Graves, Butch | .2008 |
|
17
| 'Rowan My Boat' | Large | Blue/Green | - | - | Hybrid | Med-Lavender | June into July | Beilstein, Doug & Beilstein, Mardy | .2018 |
|
18
| 'Rubies and Ruffles' | Medium | Dark-Green | Marginal | White | Unknown | Med-Lavender | August to September | Goodwin, Randy | .2009 |
|
19
| 'Ruffled Green Mouse' | Miniature | Dark-Green | | | Nat-Sport | Light-Purple | July | Van den Top, Jan | --NR-- |
|
20
| 'Ruffled Green Mouse Ears' | Small | Dark-Green | | | Unknown | Light-Purple | July | Van den Top, Jan | --NR-- |
|
21
| 'Ruffles and Flourishes' | Small | Light-Green | Marginal | White | Unknown | Near-White | July | Goodwin, Randy | .2019 |
|
22
| 'Runt' | Medium | Med-Green | Medial | Yellow | Unknown | | | White, Brian | --NR-- |
|