| No. | Cultivar Name | Source | Plant Size | Leaf Color | Variegation | Var Color | Origin | Flower Color | Season | Registered |
|
1
| 'Rachel' | Kuk, Bob | Large | Dark-Green | Marginal | Yellow | Hybrid | Deep-Purple | July to August | .2005 |
|
2
| 'Raging River' | Klotz, Ruby & Klotz, B. | Small | Blue/Green | Marginal | White | Unknown | Near-White | June to July | .2020 |
|
3
| 'Ragtime' | Ward, Dr Dick & Ward, Jane | Large | Yellow | | | Hybrid | Pale-Lavender | June to July | .2013 |
|
4
| 'Rainmaker' | Ward, Dr Dick & Ward, Jane | Giant | Med-Green | | | Unknown | Unknown | June to July | .2009 |
|
5
| 'Rainy Day' | Ward, Dr Dick & Ward, Jane | Medium | Med-Green | Medial | White | Hybrid | Pale-Lavender | June to July | .2014 |
|
6
| 'Raspberry Parfait' | Ruh, Peter | Large | Med-Green | | | Hybrid | Light-Purple | September | .1998 |
|
7
| 'Razzle Dazzle' | Kuk, Bob | Medium | Dark-Green | | | Hybrid | Near-White | July | .1987 |
|
8
| 'Razzmatazz' | Beilstein, Doug & Beilstein, Mardy | Medium | Med-Green | Marginal | White | Hybrid | Pale-Lavender | July to August | .2013 |
|
9
| 'Red Cloud' | Beilstein, Doug & The American Hosta Society | Small | Blue/Green | Streaked | White | Hybrid | Pale-Lavender | July | .2020 |
|
10
| 'Red Stem Green' | Wade, Van | Medium | Med-Green | | | Unknown | Deep-Purple | August | --NR-- |
|
11
| 'Red Thunder' | Beilstein, Doug & Malloy, Alex | Medium | Med-Green | | | Hybrid | Unknown | Unknown | --NR-- |
|
12
| 'Red Wedding' | Vasey, Mike | Unknown | Unknown | | | Unknown | Unknown | Unknown | --NR-- |
|
13
| 'Redgo' | Wade, Van | Large | Light-Green | | | Unknown | Unknown | Unknown | --NR-- |
|
14
| 'Reid All About It' | Beilstein, Doug & Beilstein, Mardy | Large | Dark-Green | Marginal | White | Hybrid | Pale-Lavender | July | .2020 |
|
15
| 'Rembrandt Blue' | Moldovan, Steve | Large | Blue/Green | | | Hybrid | Near-White | June to July | .1983 |
|
16
| 'Rhapsody' | Hatfield, Handy & Walek, Kevin & The American Hosta Society | Large | Med-Green | Marginal | White | Sport | Pale-Lavender | July | .2009 |
|
17
| 'Richland Blue' | Wade, Van | Large | Blue/Green | | | Unknown | Near-White | June to July | .2007 |
|
18
| 'Richland Charmer' | Wade, Van | Large | Med-Green | Medial | Yellow | Sport | Light-Purple | July | .2000 |
|
19
| 'Richland Clear Fork Mist' | Wade, Van | Medium | Med-Green | Marginal | Yellow | Unknown | Pale-Lavender | July to August | --NR-- |
|
20
| 'Richland Gold' | Wade, Van | Medium | Yellow | | | Sport | Pale-Lavender | July to August | .1987 |
|
21
| 'Richland Gold Splash' | Wade, Van & Walek, Kevin & The American Hosta Society | Medium | Yellow | Streaked | Speckles | Sport | Med-Lavender | July to August | .2009 |
|
22
| 'Richland Golden Candy' | Wade, Van | Medium | Yellow | | | Unknown | Light-Purple | July | --NR-- |
|
23
| 'Richland Gold's Moonlight' | Wade, Van | Medium | Med-Green | Marginal | White | Sport | Pale-Lavender | July to August | .1999 |
|
24
| 'Richland Gold's Moonlight's Child' | Wade, Van | Medium | Med-Green | Medial | White | Sport | Med-Lavender | July to August | --NR-- |
|
25
| 'Richland Green Edge' | Wade, Van | Large | Blue/Green | Streaked | Yellow | Unknown | Unknown | Unknown | --NR-- |
|
26
| 'Richland Green Splish' | Wade, Van | Large | Dark-Green | | | Sport | Light-Purple | July | .1999 |
|
27
| 'Richland Mayan Moon' | Wade, Van | Medium | Dark-Green | Marginal | Yellow | Sport | Pale-Lavender | July | --NR-- |
|
28
| 'Richland Neat Tot' | Wade, Van | Large | Med-Green | Streaked | White | Unknown | Light-Purple | August | --NR-- |
|
29
| 'Richland Royal Prince' | Wade, Van | Small | Med-Green | Medial | White | Hybrid | Light-Purple | July to August | --NR-- |
|
30
| 'Richland Royal Princess' | Wade, Van | Large | Med-Green | Marginal | White | Sport | Light-Purple | July | .1999 |
|
31
| 'Richland Royal Purple' | Wade, Van | Large | Med-Green | | | Sport | Deep-Purple | July to August | .1999 |
|
32
| 'Richland Silver' | Wade, Van | Medium | Light-Green | Marginal | White | Unknown | Unknown | Unknown | --NR-- |
|
33
| 'Richland Surprise' | Wade, Van | Medium | Med-Green | Marginal | Creamy White | Sport | Light-Purple | July | .1999 |
|
34
| 'Richland Surprise Splash' | Wade, Van | Medium | Med-Green | Streaked | Yellow | Sport | Unknown | Unknown | --NR-- |
|
35
| 'Richland White Edge' | Wade, Van | Medium | Med-Green | Marginal | Yellow | Unknown | Light-Purple | July | .1999 |
|
36
| 'Richland Yea' | Wade, Van | Large | Med-Green | | | Unknown | Unknown | Unknown | --NR-- |
|
37
| 'Richmond Blue' | Zumbar, Wm & Walek, Kevin & The American Hosta Society | Large | Blue/Green | | | TC Sport | Near-White | June to July | .2009 |
|
38
| 'Riding High' | Ward, Dr Dick & Ward, Jane | Giant | Dark-Green | | | Unknown | Unknown | June to July | .2014 |
|
39
| 'Rippled Green Cup' | Wade, Van | Medium | Dark-Green | | | Unknown | Unknown | Unknown | --NR-- |
|
40
| 'Rippled Streak' | Wade, Van | Large | Med-Green | Streaked | Speckles | Unknown | Med-Lavender | Unknown | --NR-- |
|
41
| 'Rippling Waters' | Wade, Van | Large | Med-Green | | | Unknown | Unknown | Unknown | --NR-- |
|
42
| 'Rising Surf' | Ruh, Peter | Medium | Med-Green | Marginal | White | Unknown | Pale-Lavender | July | --NR-- |
|
43
| 'River Nile' | Moldovan, Steve | Giant | Blue/Green | | | Hybrid | Near-White | June to July | .1983 |
|
44
| 'River of Gold' | Ward, Dr Dick & Ward, Jane | Large | Yellow | | | Unknown | Pale-Lavender | June to July | .2014 |
|
45
| 'Road Rage' | Beilstein, Doug | Medium | Med-Green | | | Hybrid | Deep-Purple | August | .2018 |
|
46
| 'Robust Giant' | Ruh, Peter & Ruh, Jean | Large | Light-Green | | | Unknown | Unknown | June to July | .2005 |
|
47
| 'Rock and Beautiful Ears' | Wade, Van | Large | Light-Green | Marginal | White | Sport | Med-Lavender | July | --NR-- |
|
48
| 'Rock and Roll' | Kuk, Bob | Large | Blue/Green | | | Sport | Near-White | June | .1999 |
|
49
| 'Rock Happy' | Ruh, Peter | Medium | Med-Green | | | Hybrid | Med-Lavender | August | .1992 |
|
50
| 'Rock of Ages' | Ward, Dr Dick & Ward, Jane | Giant | Blue/Green | | | Sport | Pure-White | June to July | .2009 |
|
51
| 'Rock Star Land' | Stadden, Josh | Medium | Blue/Green | | | Hybrid | Unknown | Unknown | --NR-- |
|
52
| 'Rocknoll Blue Dwarf' | Saur, B. & Ruh, Peter | Miniature | Blue/Green | | | Unknown | Unknown | August | .1996 |
|
53
| 'Rocky Fork' | Ward, Dr Dick & Ward, Jane | Medium | Blue/Green | | | Unknown | Pale-Lavender | June to July | .2003 |
|
54
| 'Rocky Mountain High' | Kuk, Bob | Large | Med-Green | Marginal | Yellow | Hybrid | Pale-Lavender | June to July | .1991 |
|
55
| 'Roscoe' | Wade, Van | Giant | Blue/Green | | | Hybrid | Near-White | June | .1999 |
|
56
| 'Rotini' | Beilstein, Doug & Zilis, Mark | Large | Blue/Green | Streaked | Yellow | Hybrid | Unknown | June to July | .2009 |
|
57
| 'Rough Knight' | Beilstein, Doug & Beilstein, Mardy | Small | Blue/Green | | | Hybrid | Med-Lavender | August | .2013 |
|
58
| 'Rough Rider' | Beilstein, Doug | Medium | Blue/Green | | | Unknown | Unknown | Unknown | --NR-- |
|
59
| 'Roughrider' | Graves, Butch | Medium | Med-Green | Marginal | White | Hybrid | Pure-White | August to September | .2008 |
|
60
| 'Rowan My Boat' | Beilstein, Doug & Beilstein, Mardy | Large | Blue/Green | | | Hybrid | Med-Lavender | June to July | .2018 |
|
61
| 'Royal Accolade' | Zumbar, Wm | Medium | Light-Green | Marginal | Green | Sport | Pure-White | August | .1986 |
|
62
| 'Royal Diadem' | Zumbar, Wm & Zilis, Mark | Large | Med-Green | Marginal | White | Sport | Pure-White | August to September to October | --NR-- |
|
63
| 'Royal Gold' | Wayside Gardens | Large | Yellow | | | TC Sport | Pure-White | August to September to October | --NR-- |
|
64
| 'Royal Rhubarb' | Pallone, D. & Ruh, Peter & Ruh, Jean | Large | Med-Green | | | Hybrid | Light-Purple | July to August | .2005 |
|
65
| 'Royal Rim' | Zumbar, Wm & Zilis, Mark | Large | Med-Green | Marginal | White | Sport | Pure-White | August to September to October | --NR-- |
|
66
| 'Royal Splash' | Grullemans, John J. & Wayside Gardens | Large | Med-Green | Streaked | White | TC Sport | Pure-White | August | --NR-- |
|
67
| 'Royal Standard' | Grullemans, John J. & Wayside Gardens | Large | Med-Green | | | Hybrid | Pure-White | August to September to October | .1986 |
|
68
| 'Royal Standard Special' | Grullemans, John J. & Wayside Gardens | Large | Med-Green | Marginal | Yellow | TC Sport | Pure-White | August to September to October | --NR-- |
|
69
| 'Ruby Desires' | Klotz, Ruby | Medium | Dark-Green | Marginal | Yellow | Unknown | Unknown | Unknown | --NR-- |
|
70
| 'Ruby Gold' | Kuk, Bob | Medium | Yellow-Gold | | | Unknown | Light-Purple | July to August | --NR-- |
|
71
| 'Ruby Slippers' | Ward, Dr Dick & Ward, Jane | Medium | Med-Green | | | Hybrid | Light-Purple | September | .1999 |
|
72
| 'Rutherford Birchard Hayes' | Ruh, Peter & Ruh, Jean | Medium | Light-Green | | | Unknown | Med-Lavender | Unknown | .2010 |
|