| No. | Cultivar Name | Plant Size | Leaf Color | Variegation | Var Color | Origin | Flower Color | Season | Source | Registered |
|
1
| 'Radiant Light' | Medium | Light-Green | | | Unknown | Unknown | Unknown | Livingston, Ron | --NR-- |
|
2
| 'Ragtime' | Large | Yellow | | | Hybrid | Pale-Lavender | June to July | Ward, Dr Dick & Ward, Jane | .2013 |
|
3
| 'Rainmaker' | Giant | Med-Green | | | Unknown | Unknown | June to July | Ward, Dr Dick & Ward, Jane | .2009 |
|
4
| 'Raspatini' | Miniature | Med-Green | | | Hybrid | Light-Purple | August | Zilis, Mark | .2009 |
|
5
| 'Raspberry Ice Cream' | Giant | Yellow | Streaked | Speckles | Sport | Med-Lavender | July | Unknown | --NR-- |
|
6
| 'Rasputin' | Medium | Yellow | | | Unknown | Unknown | Unknown | Ziarek, Ken | --NR-- |
|
7
| 'Rasta' | Small | Yellow | | | Unknown | Unknown | Unknown | Beaulier, P.J. | --NR-- |
|
8
| 'Rawhide' | Small | Dark-Green | | | Unknown | Unknown | Unknown | Unknown | --NR-- |
|
9
| 'Razz'n Rick' | Large | Med-Green | Streaked | Yellow | Unknown | Unknown | August to September | Schmidt, Bevie | .2009 |
|
10
| 'Ready Eddy' | Small | Blue/Green | | | Unknown | Unknown | Unknown | Benedict, Dr Ralph (Herb) | --NR-- |
|
11
| 'Ready Freddy' | Giant | Dark-Green | | | Unknown | Near-White | June to July | Asch, Stuart | .2010 |
|
12
| 'Rebel Rouser' | Medium | Yellow | | | Hybrid | Near-White | July | Wasitis, Chick | --NR-- |
|
13
| 'Red Bar' | Medium | Med-Green | Marginal | White | Unknown | Unknown | Unknown | Malloy, Alex | --NR-- |
|
14
| 'Red Bull' | Large | Med-Green | | | Hybrid | Unknown | July to August | Van Eechaute, Danny | .2010 |
|
15
| 'Red Kitty' | Small | Med-Green | | | Unknown | Unknown | Unknown | Terpening, Kent | --NR-- |
|
16
| 'Red Light' | Medium | Dark-Green | | | Unknown | Unknown | Unknown | Unknown | --NR-- |
|
17
| 'Red Rover' | Medium | Med-Green | | | Hybrid | Med-Lavender | August to September | Moore, Jeff & Schwarz, Jim | .2015 |
|
18
| 'Red Sails in the Sunset' | Small | Light-Green | | | Hybrid | Light-Purple | August | Van Ostrand, John | .2004 |
|
19
| 'Red Stilts' | Large | Med-Green | | | Hybrid | Pale-Lavender | June to July | Van Eechaute, Danny | .2011 |
|
20
| 'Red Titanium' | Unknown | Blue/Green | | | Hybrid | Unknown | Unknown | Leuckx, Bart | --NR-- |
|
21
| 'Red Wine Fries' | Medium | Blue/Green | | | Hybrid | Med-Lavender | Unknown | Van Wyke, Trudy | --NR-- |
|
22
| 'Redbud' | Medium | Med-Green | | | Hybrid | Med-Lavender | June to July | Hicks, Gerry | .2017 |
|
23
| 'Reddish Dot' | Medium | Med-Green | | | Hybrid | Deep-Purple | July to August | Liu, Donghuan | .2016 |
|
24
| 'Reddy Eddy' | Large | Dark-Green | | | Unknown | Unknown | August to September | Benedict, Dr Ralph (Herb) & Kuenster, Rod | .2010 |
|
25
| 'Redneck Mardi Gras' | Small | Yellow | | | Unknown | Deep-Purple | August to September | Duncan, Mary Jo | .2016 |
|
26
| 'Redtail' | Medium | Yellow | | | Unknown | Light-Purple | Unknown | Carlson, Monty & Carlson, Julie | --NR-- |
|
27
| 'Regal Flame' | Large | Blue/Green | | | Sport | Med-Lavender | July to August | Unknown | --NR-- |
|
28
| 'Regal Tot' | Small | Light-Green | | | Hybrid | Light-Purple | July to August | Zilis, Mark | .2010 |
|
29
| 'Reiho' | Small | Med-Green | Medial | White | Hybrid | Unknown | Unknown | Unknown | --NR-- |
|
30
| 'Renaissance' | Medium | Med-Green | Streaked | Speckles | Sport | Pale-Lavender | July | Minks, Eldren | .1983 |
|
31
| 'Rendezvous' | Medium | Blue/Green | Marginal | White | Sport | Pale-Lavender | July to August | Zilis, Mark & Schwarz, Jim | .2014 |
|
32
| 'Reserved Parking' | Medium | Blue/Green | Marginal | Yellow | Unknown | Unknown | Unknown | Russo, Dave | --NR-- |
|
33
| 'Retread' | Small | Med-Green | Marginal | White | Hybrid | Pale-Lavender | July | Nyikos, Frank | .2000 |
|
34
| 'Rexhame Beach' | Large | Blue/Green | Marginal | Yellow | Unknown | Unknown | Unknown | Goodenough, Rick | --NR-- |
|
35
| 'Rheingold' | Medium | Yellow | Marginal | Green | Unknown | Unknown | Unknown | Kohlein, Fritz | --NR-- |
|
36
| 'Rhubarb Girl' | Large | Blue/Green | | | Unknown | Unknown | Unknown | Carlson, Monty & Carlson, Julie | --NR-- |
|
37
| 'Richard Taylor' | Large | Med-Green | | | Hybrid | Pale-Lavender | June to July | Seaver, Mildred & Walek, Kevin & The American Hosta Society | .2009 |
|
38
| 'Rimmed Cauldron' | Medium | Blue/Green | Marginal | Yellow | Hybrid | Pale-Lavender | June to July | Dye, Kay | .2020 |
|
39
| 'Ringmaster' | Small | Blue/Green | Marginal | White | Sport | Pale-Lavender | July | Zilis, Mark | .2011 |
|
40
| 'Rippled Elf' | Medium | Med-Green | | | Unknown | Unknown | Unknown | Powell, Loteta & Walek, Kevin & The American Hosta Society | .2009 |
|
41
| 'Rippled Green Cup' | Medium | Dark-Green | | | Unknown | Unknown | Unknown | Wade, Van | --NR-- |
|
42
| 'Rippled Treasure' | Medium | Med-Green | | | Hybrid | Unknown | June to July | Zilis, Mark | .2010 |
|
43
| 'Risa' | Small | Med-Green | | | Unknown | Med-Lavender | July to August | Dupre, Dirk | .2006 |
|
44
| 'River of Gold' | Large | Yellow | | | Unknown | Pale-Lavender | June to July | Ward, Dr Dick & Ward, Jane | .2014 |
|
45
| 'Road Rage' | Medium | Med-Green | | | Hybrid | Deep-Purple | August | Beilstein, Doug | .2018 |
|
46
| 'Road Runner' | Medium | Med-Green | Marginal | Yellow | Unknown | Unknown | Unknown | Unknown | --NR-- |
|
47
| 'Rock Concert' | Large | Blue/Green | Streaked | Speckles | Hybrid | Med-Lavender | July to August | Kuenster, Rod | .2009 |
|
48
| 'Rock of Ages' | Giant | Blue/Green | | | Sport | Pure-White | June to July | Ward, Dr Dick & Ward, Jane | .2009 |
|
49
| 'Rocket's Red Glare' | Medium | Med-Green | | | Hybrid | Pale-Lavender | August to September | Stegeman, Bev & Stegeman, Dave | .2012 |
|
50
| 'Rocky Fork' | Medium | Blue/Green | | | Unknown | Pale-Lavender | June to July | Ward, Dr Dick & Ward, Jane | .2003 |
|
51
| 'Rocky Point' | Medium | Yellow | | | Unknown | Unknown | Unknown | Goodenough, Rick | --NR-- |
|
52
| 'Romance' | Large | Dark-Green | Streaked | White | Unknown | Unknown | Unknown | Livingston, Ron | --NR-- |
|
53
| 'Rookie Mouse' | Miniature | Med-Green | | | Sport | Light-Purple | June to July | Szustakiewicz, Peter | --NR-- |
|
54
| 'Rosaleen' | Small | Dark-Green | Marginal | White | Hybrid | Light-Purple | June to July | Gilligan, Madelon | .2017 |
|
55
| 'Rosedale Coalminer's Special' | Medium | Med-Green | Streaked | Speckles | Unknown | Light-Purple | July | Hadrava, Jerry | --NR-- |
|
56
| 'Rosedale Golden City' | Large | Light-Green | | | Unknown | Near-White | June to July | Hadrava, Jerry | .1999 |
|
57
| 'Rosedale Golden Star' | Medium | Light-Green | Marginal | White | Unknown | Unknown | Unknown | Hadrava, Jerry | --NR-- |
|
58
| 'Rosedale Golden Teapot' | Large | Light-Green | Marginal | Yellow | Hybrid | Pale-Lavender | July to August | Hadrava, Jerry | .2000 |
|
59
| 'Rosedale Houdini' | Medium | Med-Green | Streaked | Yellow | Hybrid | Light-Purple | July to August | Hadrava, Jerry | .2000 |
|
60
| 'Rosedale Knox' | Large | Yellow | | | Hybrid | Near-White | June to July | Hadrava, Jerry | .1999 |
|
61
| 'Rosedale Monica Havana' | Large | Med-Green | Marginal | Yellow | Hybrid | Pale-Lavender | July | Hadrava, Jerry | --NR-- |
|
62
| 'Rosedale Sugar Time' | Medium | Med-Green | Marginal | White | Hybrid | Light-Purple | August | Hadrava, Jerry | .1999 |
|
63
| 'Rosedale Tail Feathers' | Small | Med-Green | Marginal | White | Unknown | Unknown | Unknown | Hadrava, Jerry | --NR-- |
|
64
| 'Rosedale Waterwheel' | Large | Med-Green | Marginal | White | Hybrid | Light-Purple | July | Hadrava, Jerry | .2000 |
|
65
| 'Rosy' | Medium | Blue/Green | | | Unknown | Unknown | Unknown | Klose, Heinz | --NR-- |
|
66
| 'Rough Knight' | Small | Blue/Green | | | Hybrid | Med-Lavender | August | Beilstein, Doug & Beilstein, Mardy | .2013 |
|
67
| 'Roughrider' | Medium | Med-Green | Marginal | White | Hybrid | Pure-White | August to September | Graves, Butch | .2008 |
|
68
| 'Round About Midnight' | Medium | Blue/Green | | | Hybrid | Pale-Lavender | July to August | Dean, Don | .2019 |
|
69
| 'Royal Charm' | Small | Blue/Green | Streaked | White | Sport | Pale-Lavender | June to July | Zilis, Mark | .2003 |
|
70
| 'Royal Susan' | Large | Med-Green | Streaked | White | Sport | Pale-Lavender | August | Benedict, Dr Ralph (Herb) | --NR-- |
|
71
| 'Royal Wave' | Small | Blue/Green | Streaked | White | Sport | Pale-Lavender | June to July | Johnson, Greg | .2004 |
|
72
| 'Rubies and Ruffles' | Medium | Dark-Green | Marginal | White | Unknown | Med-Lavender | August to September | Goodwin, Randy | .2009 |
|
73
| 'Ruby' | Small | Med-Green | | | Hybrid | Light-Purple | August to September | Savory, Dennis | .2013 |
|
74
| 'Ruby Desires' | Medium | Dark-Green | Marginal | Yellow | Unknown | Unknown | Unknown | Klotz, Ruby | --NR-- |
|
75
| 'Ruffed Up' | Large | Yellow | | | Hybrid | Pale-Lavender | August to September | Carlson, Monty & Carlson, Julie | .2009 |
|
76
| 'Ruffian' (Asch) | Medium | Dark-Green | | | Sport | Pale-Lavender | July | Asch, Stuart | .2009 |
|
77
| 'Ruffle My Feathers' | Small | Med-Green | Marginal | White | Sport | Med-Lavender | Unknown | Livingston, Ron | --NR-- |
|
78
| 'Ruffled Green Mouse' | Miniature | Dark-Green | | | Nat-Sport | Light-Purple | July | Van den Top, Jan | --NR-- |
|
79
| 'Ruffled Green Mouse Ears' | Small | Dark-Green | | | Unknown | Light-Purple | July | Van den Top, Jan | --NR-- |
|
80
| 'Ruffled Mouse Ears' | Miniature | Blue/Green | | | Sport | Med-Lavender | July | Zilis, Mark | .2011 |
|
81
| 'Ruffles and Flourishes' | Small | Light-Green | Marginal | White | Unknown | Near-White | July | Goodwin, Randy | .2019 |
|
82
| 'Rushin Ruffles' | Small | Yellow | | | Unknown | Unknown | Unknown | Unknown | --NR-- |
|
83
| 'Russell Square' | Medium | Blue/Green | | | Unknown | Unknown | Unknown | Crockett, Clyde | --NR-- |
|
84
| 'Rusty's Blue Star' | Miniature | Med-Green | | | Unknown | Unknown | Unknown | Rouillier, Denis | --NR-- |
|
85
| 'Rutherford Birchard Hayes' | Medium | Light-Green | | | Unknown | Med-Lavender | Unknown | Ruh, Peter & Ruh, Jean | .2010 |
|