No. | Cultivar Name | Leaf Color | Plant Size | Variegation | Var Color | Origin | Flower Color | Season | Source | Registered |
1
| 'Rabble Rouser' | Blue/Green | Large | Marginal | Yellow | Sport | Unknown | Unknown | Lysne, Rod | .2020 |
2
| 'Racing Stripes' | Blue/Green | Medium | Streaked | Yellow | Hybrid | Pale-Lavender | July | Elslager, Ed | .2005 |
3
| 'Raging River' | Blue/Green | Small | Marginal | White | Unknown | Near-White | June to July | Klotz, Ruby & Klotz, B. | .2020 |
4
| 'Rain Dancer' | Blue/Green | Large | Marginal | Yellow | Sport | Pale-Lavender | June | Hansen, Hans | .2007 |
5
| 'Ralph' | Blue/Green | Large | Medial | White | Unknown | Near-White | July | O'Harra, Russ | --NR-- |
6
| 'Rambunctious' | Blue/Green | Giant | | | Unknown | Near-White | July | Struhar, Bill | .2018 |
7
| 'Raucous Ruffles' | Blue/Green | Medium | | | Hybrid | Unknown | Unknown | Dean, Don | .2008 |
8
| 'Razorback' | Blue/Green | Medium | | | Unknown | | | Rawson, Don | --NR-- |
9
| 'Ready Eddy' | Blue/Green | Small | | | Unknown | Unknown | Unknown | Benedict, Dr Ralph (Herb) | --NR-- |
10
| 'Rebel Heart' | Blue/Green | Medium | Marginal | Yellow | Hybrid | Near-White | June to July | Wasitis, Chick & The American Hosta Society | .2020 |
11
| 'Red Cloud' | Blue/Green | Small | Streaked | White | Hybrid | Pale-Lavender | July | Beilstein, Doug & The American Hosta Society | .2020 |
12
| 'Red Grange' | Blue/Green | Medium | | | Unknown | Unknown | Unknown | Unknown | --NR-- |
13
| 'Red Titanium' | Blue/Green | Unknown | | | Hybrid | Unknown | Unknown | Leuckx, Bart | --NR-- |
14
| 'Red Wine Fries' | Blue/Green | Medium | | | Hybrid | Med-Lavender | Unknown | Van Wyke, Trudy | --NR-- |
15
| 'Redon Bleu' | Blue/Green | Large | | | Unknown | Unknown | Unknown | Livingston, Ron | --NR-- |
16
| 'Reefed Sails' | Blue/Green | Small | Marginal | Yellow | Hybrid | Unknown | Unknown | Seaver, Charles | .1994 |
17
| 'Reese's Pieces' | Blue/Green | Large | Medial | Yellow | Unknown | Unknown | Unknown | Ragland, Butch | --NR-- |
18
| 'Regal Chameleon' | Blue/Green | Large | Marginal | Blue-Green | TC Sport | Pale-Lavender | August | Falstad, C.H. | .2000 |
19
| 'Regal Flame' | Blue/Green | Large | | | Sport | Med-Lavender | July to August | Unknown | --NR-- |
20
| 'Regal Promenade' | Blue/Green | Large | Streaked | Yellow | Sport | Pale-Lavender | August | Snyder, Ron | .1994 |
21
| 'Regal Providence' | Blue/Green | Large | Marginal | White | Sport | Pale-Lavender | August | Snyder, Ron | .1994 |
22
| 'Regal Skies' | Blue/Green | Large | | | Sport | Med-Lavender | July | Banyai, Bruce | .1999 |
23
| 'Regal Splendor' | Blue/Green | Large | Marginal | Creamy White | Sport | Pale-Lavender | July to August | Walters Gardens | .1987 |
24
| 'Regal Supreme' | Blue/Green | Giant | Marginal | White | Sport | Pale-Lavender | June to July | Van den Top, Jan & Van Eechaute, Danny | .2008 |
25
| 'Regal Twist' | Blue/Green | Medium | Medial | White | Sport | Med-Lavender | July to August | Schulte, Dave & Schulte, Don | .2007 |
26
| 'Regalia' | Blue/Green | Large | | | Sport | Pale-Lavender | July to August | Anderson, Kenneth | .1992 |
27
| 'Reginald Kaye' | Blue/Green | Medium | | | Unknown | Near-White | August | Ruh, Peter & Ruh, Jean | .2003 |
28
| 'Reiko' | Blue/Green | Medium | Streaked | Speckles | Unknown | Unknown | Unknown | Watanabe, Kenji | --NR-- |
29
| 'Rembrandt Blue' | Blue/Green | Large | | | Hybrid | Near-White | June to July | Moldovan, Steve | .1983 |
30
| 'Remember Me' | Blue/Green | Medium | Medial | Creamy White | Hybrid | Pale-Lavender | July | Van Erven, Dirk & Van Eijk-Bos, Gert & Walters Gardens | .2001 |
31
| 'Remembrance' | Blue/Green | Medium | Marginal | Yellow | Hybrid | Unknown | June to July | Skaggs, Virginia & Skaggs, Brian & Gilligan, Madelon | .2015 |
32
| 'Rendez Vous' | Blue/Green | Large | Medial | Yellow | Unknown | Unknown | Unknown | Ragland, Butch | --NR-- |
33
| 'Rendezvous' | Blue/Green | Medium | Marginal | White | Sport | Pale-Lavender | July to August | Zilis, Mark & Schwarz, Jim | .2014 |
34
| 'Rescapé Suto' | Blue/Green | Large | Marginal | Yellow | Unknown | Unknown | Unknown | Bastille, Jocelyne | --NR-- |
35
| 'Reserved Parking' | Blue/Green | Medium | Marginal | Yellow | Unknown | Unknown | Unknown | Russo, Dave | --NR-- |
36
| 'Restless Sun' | Blue/Green | Small | | | Unknown | Unknown | Unknown | Unknown | --NR-- |
37
| 'Reverend Mac' | Blue/Green | Medium | | | Sport | Pale-Lavender | July to August | Van Eechaute, Danny | .2011 |
38
| 'Reversed' | Blue/Green | Medium | Medial | Greenish White | Sport | Pale-Lavender | July | Aden, Paul | .1978 |
39
| 'Rexhame Beach' | Blue/Green | Large | Marginal | Yellow | Unknown | Unknown | Unknown | Goodenough, Rick | --NR-- |
40
| 'Rhapsody in Blue' | Blue/Green | Medium | | | Hybrid | Med-Lavender | August to September to October | Benedict, Dr Ralph (Herb) | .1995 |
41
| 'Rhein' | Blue/Green | Medium | | | Unknown | Pale-Lavender | August | Klose, Heinz & Ruh, Peter & Ruh, Jean | .2003 |
42
| 'Rhino Blue' | Blue/Green | Large | | | Sport | Near-White | June to July | Rawson, Don | .2010 |
43
| 'Rhino Hide' | Blue/Green | Medium | Medial | Yellow | Unknown | Near-White | June to July | Rawson, Don | .2007 |
44
| 'Rhino Tuff' | Blue/Green | Medium | | | Sport | Near-White | June to July | Rawson, Don | --NR-- |
45
| 'Rhubarb Blue' | Blue/Green | Large | | | Unknown | Unknown | Unknown | Tompkins, Cynthia | --NR-- |
46
| 'Rhubarb Girl' | Blue/Green | Large | | | Unknown | Unknown | Unknown | Carlson, Monty & Carlson, Julie | --NR-- |
47
| 'Rhythm and Blues' | Blue/Green | Small | | | Hybrid | Pale-Lavender | July to August | Johnson, Greg | .2004 |
48
| 'Ribbon Dancer' | Blue/Green | Unknown | | | Unknown | Unknown | Unknown | Terpening, Kent | --NR-- |
49
| 'Richland Blue' | Blue/Green | Large | | | Unknown | Near-White | June to July | Wade, Van | .2007 |
50
| 'Richland Green Edge' | Blue/Green | Large | Streaked | Yellow | Unknown | Unknown | Unknown | Wade, Van | --NR-- |
51
| 'Richmond Blue' | Blue/Green | Large | | | TC Sport | Near-White | June to July | Zumbar, Wm & Walek, Kevin & The American Hosta Society | .2009 |
52
| 'Rick Strub' | Blue/Green | Large | | | Hybrid | Unknown | Unknown | Zilis, Mark | --NR-- |
53
| 'Ridges' | Blue/Green | Large | | | Hybrid | Near-White | July | Fisher, Eunice V. | --NR-- |
54
| 'Rimmed Cauldron' | Blue/Green | Medium | Marginal | Yellow | Hybrid | Pale-Lavender | June to July | Dye, Kay | .2020 |
55
| 'Ring Around the Moon' | Blue/Green | Large | Medial | Yellow | Sport | Pale-Lavender | July to August | Johnson, Robert | .2004 |
56
| 'Ringmaster' | Blue/Green | Small | Marginal | White | Sport | Pale-Lavender | July | Zilis, Mark | .2011 |
57
| 'Rip Van Wrinkle' | Blue/Green | Large | | | Unknown | Unknown | Unknown | Smith, Scott | --NR-- |
58
| 'Ripped' | Blue/Green | Large | | | Unknown | Pale-Lavender | July | Soules, Marjorie & Goodenough, Rick | --NR-- |
59
| 'Rippled Blue Circles' | Blue/Green | Large | | | Hybrid | Unknown | Unknown | Summers, Alex | --NR-- |
60
| 'Rippling Brook' | Blue/Green | Medium | | | Unknown | Unknown | Unknown | Hansen, Hans | --NR-- |
61
| 'Riptide' | Blue/Green | Medium | | | Hybrid | Pale-Lavender | August | Sellers, Van | .1987 |
62
| 'Rising Tide' | Blue/Green | Large | Marginal | White | TC Sport | Unknown | Unknown | Walters Gardens | .1984 |
63
| 'Ritz' | Blue/Green | Giant | | | Hybrid | Pale-Lavender | July to August | Livingston, Ron | --NR-- |
64
| 'River City Blues' | Blue/Green | Large | | | Unknown | Pale-Lavender | June to July | Zilis, Mark & Ankney, Barry | .2018 |
65
| 'River Dance' | Blue/Green | Medium | | | Hybrid | Pale-Lavender | July | Dean, Don | .2020 |
66
| 'River Nile' | Blue/Green | Giant | | | Hybrid | Near-White | June to July | Moldovan, Steve | .1983 |
67
| 'River's Edge' | Blue/Green | Large | Marginal | White | Sport | Pale-Lavender | July | Walek, Kevin | --NR-- |
68
| 'Robb's Rag' | Blue/Green | Giant | Streaked | White | Unknown | Unknown | Unknown | McWilliams, Robb | --NR-- |
69
| 'Robin of Loxley' | Blue/Green | Medium | | | Unknown | Near-White | June to July | Schwarz, Jim | --NR-- |
70
| 'Robin's Egg' | Blue/Green | Large | | | Nat-Sport | Unknown | Unknown | Unknown | --NR-- |
71
| 'Robin's Pride' | Blue/Green | Large | | | Unknown | Unknown | June to July | Goodwin, Randy | .2000 |
72
| 'Robyn's Choice' | Blue/Green | Medium | Marginal | Yellow | Sport | Med-Lavender | July to August | Thomas, Bryan | --NR-- |
73
| 'Rock and Roll' | Blue/Green | Large | | | Sport | Near-White | June | Kuk, Bob | .1999 |
74
| 'Rock Concert' | Blue/Green | Large | Streaked | Speckles | Hybrid | Med-Lavender | July to August | Kuenster, Rod | .2009 |
75
| 'Rock Garden Blue' | Blue/Green | Large | | | Unknown | Unknown | Unknown | Tompkins, Chet | --NR-- |
76
| 'Rock of Ages' | Blue/Green | Giant | | | Sport | Pure-White | June to July | Ward, Dr Dick & Ward, Jane | .2009 |
77
| 'Rock of Gibralter' | Blue/Green | Large | | | Sport | Unknown | June to July | Zilis, Mark | .2010 |
78
| 'Rock Star Land' | Blue/Green | Medium | | | Hybrid | Unknown | Unknown | Stadden, Josh | --NR-- |
79
| 'Rock-N-Chick' | Blue/Green | Unknown | Streaked | White | Unknown | Unknown | Unknown | Ziarek, Ken | --NR-- |
80
| 'Rocknoll Blue Dwarf' | Blue/Green | Miniature | | | Unknown | Unknown | August | Saur, B. & Ruh, Peter | .1996 |
81
| 'Rock'n'Roll Heart' | Blue/Green | Large | | | Unknown | Unknown | Unknown | Port, Linda | --NR-- |
82
| 'Rocky Fork' | Blue/Green | Medium | | | Unknown | Pale-Lavender | June to July | Ward, Dr Dick & Ward, Jane | .2003 |
83
| 'Rod Kuenster' | Blue/Green | Giant | Marginal | Yellow | Hybrid | Unknown | Unknown | Miller, Jeff | --NR-- |
84
| 'Roderick' | Blue/Green | Giant | | | Unknown | Pale-Lavender | Unknown | O'Harra, Russ | .1999 |
85
| 'Rolling Thunder' | Blue/Green | Large | | | Unknown | Near-White | June to July | Brashear, Carol | --NR-- |
86
| 'Ron Damant' | Blue/Green | Medium | Marginal | Yellow | Sport | Pale-Lavender | July | Ford, Richard & Ford, Mary | .2004 |
87
| 'Rootin Tootin' | Blue/Green | Medium | Medial | Creamy White | Sport | Light-Purple | July | Ziarek, Ken | --NR-- |
88
| 'Roscoe' | Blue/Green | Giant | | | Hybrid | Near-White | June | Wade, Van | .1999 |
89
| 'Roseann Walter' | Blue/Green | Large | Marginal | Yellow | Hybrid | Pale-Lavender | June | Benedict, Dr Ralph (Herb) & Kuk, Bob | .2006 |
90
| 'Rosedale Babe' | Blue/Green | Large | | | Hybrid | Near-White | July to August | Hadrava, Jerry | .2000 |
91
| 'Rosedale Black Hole' | Blue/Green | Large | | | Hybrid | Pale-Lavender | June to July | Hadrava, Jerry | .2000 |
92
| 'Rosedale Black Ice' | Blue/Green | Large | | | Hybrid | Near-White | June to July | Hadrava, Jerry | .1999 |
93
| 'Rosedale Blend Master' | Blue/Green | Medium | Streaked | Yellow | Unknown | Pale-Lavender | July to August | Hadrava, Jerry | .2000 |
94
| 'Rosedale Butter Rum' | Blue/Green | Medium | Streaked | Yellow | Hybrid | Light-Purple | July | Hadrava, Jerry | .1999 |
95
| 'Rosedale Catcher's Mitt' | Blue/Green | Large | | | Hybrid | Light-Purple | July to August | Hadrava, Jerry | .2000 |
96
| 'Rosedale Dewy' | Blue/Green | Medium | | | Hybrid | Near-White | June to July | Hadrava, Jerry | .1999 |
97
| 'Rosedale Glacier Ice' | Blue/Green | Small | | | Hybrid | Unknown | Unknown | Hadrava, Jerry | .1999 |
98
| 'Rosedale John Stratton' | Blue/Green | Medium | | | Hybrid | Unknown | Unknown | Hadrava, Jerry | .1999 |
99
| 'Rosedale Lela Mae' | Blue/Green | Large | Marginal | Yellow | Unknown | Near-White | June | Hadrava, Jerry | .1999 |
100
| 'Rosedale Lucky Charm' | Blue/Green | Medium | Marginal | Yellow | Unknown | Pale-Lavender | July | Hadrava, Jerry | --NR-- |
101
| 'Rosedale Mr. Blue Jeans' | Blue/Green | Large | | | Hybrid | Pure-White | July | Hadrava, Jerry | .1999 |
102
| 'Rosedale Pickles' | Blue/Green | Medium | | | Hybrid | Near-White | July | Hadrava, Jerry | .1999 |
103
| 'Rosedale Rain Catcher' | Blue/Green | Large | | | Hybrid | Near-White | June | Hadrava, Jerry | .2000 |
104
| 'Rosedale Richie Vallens' | Blue/Green | Giant | | | Hybrid | Pale-Lavender | July | Hadrava, Jerry | .1999 |
105
| 'Rosedale Rob Lucomus' | Blue/Green | Large | | | Unknown | Near-White | June | Hadrava, Jerry | --NR-- |
106
| 'Rosedale Rosette' | Blue/Green | Medium | | | Hybrid | Unknown | Unknown | Hadrava, Jerry | .1999 |
107
| 'Rosedale Spoons' | Blue/Green | Medium | | | Unknown | Near-White | July | Hadrava, Jerry | .1999 |
108
| 'Rosedale Tractor Seat' | Blue/Green | Large | | | Hybrid | Near-White | June | Hadrava, Jerry | .1999 |
109
| 'Rosy' | Blue/Green | Medium | | | Unknown | Unknown | Unknown | Klose, Heinz | --NR-- |
110
| 'Rotini' | Blue/Green | Large | Streaked | Yellow | Hybrid | Unknown | June to July | Beilstein, Doug & Zilis, Mark | .2009 |
111
| 'Rotunda' | Blue/Green | Medium | | | Hybrid | Pale-Lavender | June | Savory, Robert | .1988 |
112
| 'Rough Knight' | Blue/Green | Small | | | Hybrid | Med-Lavender | August | Beilstein, Doug & Beilstein, Mardy | .2013 |
113
| 'Rough Rider' | Blue/Green | Medium | | | Unknown | Unknown | Unknown | Beilstein, Doug | --NR-- |
114
| 'Rough Waters' | Blue/Green | Large | | | Hybrid | Near-White | June to July | Armstrong, Maxine | .1969 |
115
| 'Round About Midnight' | Blue/Green | Medium | | | Hybrid | Pale-Lavender | July to August | Dean, Don | .2019 |
116
| 'Round the Glen' | Blue/Green | Large | Streaked | White | Hybrid | Unknown | Unknown | Serafin, Viktoria | --NR-- |
117
| 'Roundabout' (Bob Savory) | Blue/Green | Medium | | | Hybrid | Pale-Lavender | June | Savory, Robert | .1988 |
118
| 'Rounder' | Blue/Green | Small | | | Unknown | Unknown | Unknown | Benedict, Dr Ralph (Herb) | --NR-- |
119
| 'Roundhouse Blues' | Blue/Green | Large | | | Unknown | Near-White | June to July | Micheletti, Tom | .1998 |
120
| 'Rowan My Boat' | Blue/Green | Large | | | Hybrid | Med-Lavender | June to July | Beilstein, Doug & Beilstein, Mardy | .2018 |
121
| 'Roxton Falls' | Blue/Green | Giant | | | Unknown | Unknown | Unknown | Bastille, Jocelyne | --NR-- |
122
| 'Roy Klehm' | Blue/Green | Large | Medial | Yellow | Sport | Near-White | June to July | Hansen, Hans & Shady Oaks Nursery | .2007 |
123
| 'Royal Charm' | Blue/Green | Small | Streaked | White | Sport | Pale-Lavender | June to July | Zilis, Mark | .2003 |
124
| 'Royal Flush' | Blue/Green | Large | Marginal | Yellow | Unknown | Pale-Lavender | July | Savory, Robert | .1985 |
125
| 'Royal Mouse Ears' | Blue/Green | Small | Streaked | White | TC Sport | Light-Purple | July | Deckert, Emile & Deckert, Jane | .2004 |
126
| 'Royal Quilt' | Blue/Green | Large | | | Hybrid | Near-White | June to July | Caprice Farm Nursery & Rogers, Allan | .1988 |
127
| 'Royal Tapestry' | Blue/Green | Large | Marginal | Yellow | Hybrid | Pale-Lavender | July | Schwarz, Jim | .2002 |
128
| 'Royal Wave' | Blue/Green | Small | Streaked | White | Sport | Pale-Lavender | June to July | Johnson, Greg | .2004 |
129
| 'Ruby Benedict' | Blue/Green | Medium | Medial | Yellow | Hybrid | Unknown | Unknown | Benedict, Dr Ralph (Herb) | .1991 |
130
| 'Ruby Wedding' | Blue/Green | Unknown | | | Unknown | Unknown | Unknown | Jolliffe, Thomas | --NR-- |
131
| 'Ruffian' (Arett) | Blue/Green | Large | | | Unknown | Unknown | Unknown | Arett, Anne | --NR-- |
132
| 'Ruffle Truffle' | Blue/Green | Small | | | Hybrid | Unknown | Unknown | Bendig, Matt | --NR-- |
133
| 'Ruffled Mouse Ears' | Blue/Green | Miniature | | | Sport | Med-Lavender | July | Zilis, Mark | .2011 |
134
| 'Ruffles Galore' | Blue/Green | Medium | | | Unknown | Unknown | June to July | Powell, Loleta & Walek, Kevin & The American Hosta Society | .2009 |
135
| 'Ruffles n Ridges' | Blue/Green | Giant | | | Hybrid | Med-Lavender | June to July | Fox, Bob & Fox Hosta Farm | .2018 |
136
| 'Rupiana' | Blue/Green | Large | | | Hybrid | Unknown | Unknown | Balitewicz, Bob | --NR-- |
137
| 'Russell Lee' | Blue/Green | Large | Marginal | Creamy White | Sport | Near-White | June to July | Russ O'Harra Hosta Society | .1999 |
138
| 'Russell Square' | Blue/Green | Medium | | | Unknown | Unknown | Unknown | Crockett, Clyde | --NR-- |
139
| 'Rusty's Wave' | Blue/Green | Giant | | | Unknown | Unknown | Unknown | Rouillier, Denis | --NR-- |
140
| 'Ruth' | Blue/Green | Medium | | | Sport | Pale-Lavender | June to July | Schwarz, Jim & Schwarz, Karen | .2014 |
141
| 'Ryan's Big One' | Blue/Green | Giant | | | Hybrid | Near-White | June to July | Englerth, Lawrence & Ryan (Unknown) | .1982 |
|