| No. | Cultivar Name | Plant Size | Leaf Color | Variegation | Var Color | Origin | Flower Color | Season | Source | Registered |
|
1
| 'Red, White and Blue' | - | - | - | - | Duplicate | - | - | Duplicate Name | --NR-- |
|
2
| 'Redon Bleu' | Large | Blue/Green | - | - | Unknown | - | - | Livingston, Ron | --NR-- |
|
3
| 'Rembrandt Blue' | Large | Blue/Green | - | - | Hybrid | Near-White | June into July | Moldovan, Steve | .1983 |
|
4
| 'Rhapsody in Blue' | Medium | Blue/Green | - | - | Hybrid | Med-Lavender | August to October | Benedict, Dr Ralph (Herb) | .1995 |
|
5
| 'Rhino Blue' | Large | Blue/Green | - | - | Sport | Near-White | June into July | Rawson, Don | .2010 |
|
6
| 'Rhubarb Blue' | Large | Blue/Green | - | - | Unknown | - | - | Tompkins, Cynthia | --NR-- |
|
7
| 'Richland Blue' | Large | Blue/Green | - | - | Unknown | Near-White | June into July | Wade, Van | .2007 |
|
8
| 'Richmond Blue' | Large | Blue/Green | - | - | TC Sport | Near-White | June into July | Zumbar, Wm & Walek, Kevin & The American Hosta Society | .2009 |
|
9
| 'Rippled Blue Circles' | Large | Blue/Green | - | - | Hybrid | - | - | Summers, Alex | --NR-- |
|
10
| 'Rock Garden Blue' | Large | Blue/Green | - | - | Unknown | - | - | Tompkins, Chet | --NR-- |
|
11
| 'Rocknoll Blue Dwarf' | Miniature | Blue/Green | - | - | Unknown | - | August | Saur, B. & Ruh, Peter | .1996 |
|
12
| 'Rookie Mouse' | Miniature | Med-Green | - | - | Sport | Light-Purple | June into July | Szustakiewicz, Peter | --NR-- |
|
13
| 'Rosedale Mr. Blue Jeans' | Large | Blue/Green | - | - | Hybrid | Pure-White | July | Hadrava, Jerry | .1999 |
|
14
| 'Royal Mouse Ears' | Small | Blue/Green | Streaked | White | TC Sport | Light-Purple | July | Deckert, Emile & Deckert, Jane | .2004 |
|
15
| 'Ruffled Green Mouse' | Miniature | Dark-Green | | | Nat-Sport | Light-Purple | July | Van den Top, Jan | --NR-- |
|
16
| 'Ruffled Mouse Ears' | Miniature | Blue/Green | - | - | Sport | Med-Lavender | July | Zilis, Mark | .2011 |
|
17
| 'Ruffled Pole Mouse' | Miniature | Med-Green | Medial | White | Sport | Light-Purple | July | Van den Top, Jan | --NR-- |
|
18
| 'Rusty's Blue Star' | Miniature | Med-Green | - | - | Unknown | - | - | Rouillier, Denis | --NR-- |
|