| No. | Cultivar | Reference | Plant Size | Leaf Color | Variegation | Var Color | Origin | Flower Color | Season | Source | Registered |
|
1
| 'Radar Love' | - Golden Earring | - | - | - | - | Hybrid | - | - | Port, Linda | --NR-- |
|
2
| 'Rags To Riches' | - Tony Bennett | Small | Yellow | - | - | Hybrid | - | - | Lysne, Rod | --NR-- |
|
3
| 'Ragtime' | - E. L. Doctorow | Large | Yellow | - | - | Hybrid | Pale-Lavender | June into July | Ward, Dr Dick & Ward, Jane | .2013 |
|
4
| 'Rainbow's End' | - Daniel O'Donnell | Small | Dark-Green | Medial | Yellow | TC Sport | Pale-Lavender | August to September | Hansen, Hans & Shady Oaks Nursery | .2005 |
|
5
| 'Rainforest Rapsody' | - | - | - | - | - | Unknown | - | - | Uniquely Hostas | --NR-- |
|
6
| 'Rebel Rouser' | - Duane Eddy | Medium | Yellow | - | - | Hybrid | Near-White | July | Wasitis, Chick | --NR-- |
|
7
| 'Red Sails in the Sunset' | - The Platters | Small | Light-Green | - | - | Hybrid | Light-Purple | August | Van Ostrand, John | .2004 |
|
8
| 'Red Zeppelin' | - Led Zeppelin | Small | Med-Green | - | - | Unknown | - | - | Unknown | --NR-- |
|
9
| 'Renegade of Funk' | - Rage Against the Machine | Large | Light-Green | - | - | Unknown | - | - | White, Jeff | --NR-- |
|
10
| 'Respighi' | - Composer | Medium | Med-Green | - | - | Unknown | - | - | Unknown | --NR-- |
|
11
| 'Reverie' | - Elton John | Medium | Med-Green | Medial | Creamy White | Hybrid | Pure-White | August | Wilkins, Dr Jim & Wilkins, Sandy | .2003 |
|
12
| 'Revolution' | - The Beatles | Medium | Med-Green | Medial | Creamy White | Sport | Pale-Lavender | July | Van Eijk-Bos, Gert & Walters Gardens | .2000 |
|
13
| 'Rhapsody' | - Music Term | Large | Med-Green | Marginal | White | Sport | Pale-Lavender | July | Hatfield, Handy & Walek, Kevin & The American Hosta Society | .2009 |
|
14
| 'Rhapsody in Blue' | - George Gershwin | Medium | Blue/Green | - | - | Hybrid | Med-Lavender | August to October | Benedict, Dr Ralph (Herb) | .1995 |
|
15
| 'Rhinestone Cowboy' | - Glen Campbell | Medium | Med-Green | Marginal | Creamy White | Hybrid | Pale-Lavender | July | Elslager, Ed | .2000 |
|
16
| 'Rhinestone Cowboy Supreme' | - Glen Campbell | Medium | Light-Green | Streaked | Yellow | Sport | Pale-Lavender | July | Elslager, Ed & Schwarz, Jim | --NR-- |
|
17
| 'Rhythm and Blues' | - Music Term | Small | Blue/Green | - | - | Hybrid | Pale-Lavender | July into August | Johnson, Greg | .2004 |
|
18
| 'Riding High' | - Merle Haggard | Giant | Dark-Green | - | - | Unknown | - | June into July | Ward, Dr Dick & Ward, Jane | .2014 |
|
19
| 'Ring of Fire' | - Johnny Cash | Medium | Dark-Green | Marginal | Yellow | Hybrid | Pale-Lavender | June into July | Elslager, Ed | .1999 |
|
20
| 'Riptide' | - Vance Joy | Medium | Blue/Green | - | - | Hybrid | Pale-Lavender | August | Sellers, Van | .1987 |
|
21
| 'River City Blues' | - | Large | Blue/Green | - | - | Unknown | Pale-Lavender | June into July | Zilis, Mark & Ankney, Barry | .2018 |
|
22
| 'Rock and Roll' | - Led Zeppelin | Large | Blue/Green | - | - | Sport | Near-White | June | Kuk, Bob | .1999 |
|
23
| 'Rock Concert' | - Music Term | Large | Blue/Green | Streaked | Speckles | Hybrid | Med-Lavender | July into August | Kuenster, Rod | .2009 |
|
24
| 'Rock Island Line' | - Johnny Cash | Small | Med-Green | Marginal | Creamy White | Hybrid | Light-Purple | June into July | Rassmussen, George | .2001 |
|
25
| 'Rock of Ages' | - Hymn | Giant | Blue/Green | - | - | Sport | Pure-White | June into July | Ward, Dr Dick & Ward, Jane | .2009 |
|
26
| 'Rock Star Land' | - Yellowcard | Medium | Blue/Green | - | - | Hybrid | - | - | Stadden, Josh | --NR-- |
|
27
| 'Rocket's Red Glare' | - Star Spangled Banner | Medium | Med-Green | - | - | Hybrid | Pale-Lavender | August to September | Stegeman, Bev & Stegeman, Dave | .2012 |
|
28
| 'Rock'n'Roll Heart' | - Music Term | Large | Blue/Green | - | - | Unknown | - | - | Port, Linda | --NR-- |
|
29
| 'Rocky Mountain High' | - John Denver | Large | Med-Green | Marginal | Yellow | Hybrid | Pale-Lavender | June into July | Kuk, Bob | .1991 |
|
30
| 'Rosedale Big Bopper' | - Singer | Giant | Med-Green | - | - | Hybrid | Near-White | July | Hadrava, Jerry | .1999 |
|
31
| 'Rosedale Buddy Holly' | - Singer | Large | Med-Green | - | - | Unknown | Near-White | June into July | Hadrava, Jerry | .1999 |
|
32
| 'Rosedale for Pete's Sake' | - | Small | Light-Green | Marginal | White | Unknown | Pale-Lavender | July | Hadrava, Jerry | .1999 |
|
33
| 'Rosedale Golden Trumpet' | - Instrument | Medium | Yellow | - | - | Unknown | - | - | Hadrava, Jerry | --NR-- |
|
34
| 'Rosedale Light My Fire' | - The Doors | Small | Yellow | - | - | Unknown | - | - | Hadrava, Jerry | --NR-- |
|
35
| 'Rosedale Melody of Summer' | - Music | Medium | Dark-Green | Medial | White | Sport | Med-Lavender | July | Hadrava, Jerry | --NR-- |
|
36
| 'Rosedale Richie Vallens' | - Rock Singer | Giant | Blue/Green | - | - | Hybrid | Pale-Lavender | July | Hadrava, Jerry | .1999 |
|
37
| 'Rosedale Thunderheads' | - Phish | Medium | Dark-Green | Marginal | Yellow | Hybrid | Light-Purple | July | Hadrava, Jerry | .2000 |
|
38
| 'Rosedale Trumpet' | - Instrument | - | - | - | - | Duplicate | - | - | Duplicate Name | --NR-- |
|
39
| 'Rosedale Yellow Brick Road' | - Judy Garland | Medium | Med-Green | Streaked | White | Hybrid | Near-White | July | Hadrava, Jerry | .1999 |
|
40
| 'Roundabout' (Savory) | - Yes | Medium | Blue/Green | - | - | Hybrid | Pale-Lavender | June | Savory, Robert | .1988 |
|
41
| 'Roundabout' (Unknown) | - | Medium | Yellow | - | - | Unknown | Near-White | July | Unknown | --NR-- |
|
42
| 'Rubber Ducky' | - Sesame Street | Medium | Light-Green | - | - | Unknown | Pale-Lavender | July into August | Schwarz, Jim | .1996 |
|
43
| 'Ruby' | - Kenny Rogers | Small | Med-Green | - | - | Hybrid | Light-Purple | August to September | Savory, Dennis | .2013 |
|
44
| 'Ruby Tuesday' | - The Rolling Stones | Small | Med-Green | - | - | Unknown | - | - | Herold, Roy | --NR-- |
|
45
| 'Runaround Sue' | - Dion & the Belmonts | Medium | Med-Green | Marginal | Yellow | Hybrid | Light-Purple | - | Wasitis, Chick | --NR-- |
|
46
| 'You're So Vein' | - Carly Simon | Small | Dark-Green | - | - | Unknown | Med-Lavender | July into August | Avent, Tony | .2012 |
|