| No. | Cultivar | Plant Size | Leaf Color | Variegation | Var Color | Origin | Flower Color | Season | Source | Registered |
|
1
| 'American Royalty' | Medium | Med-Green | Medial | White | Unknown | - | - | Goodwin, Randy | --NR-- |
|
2
| 'Crown Royalty' | Medium | Blue/Green | Marginal | Yellow | Hybrid | Pale-Lavender | July into August | Minks, Eldren | .1990 |
|
3
| 'Frensham Royal Connection' | Giant | Light-Green | Marginal | Chartreuse | Sport | Near-White | June into July | Colley, June & Baker, John | .2020 |
|
4
| 'Giantland Royal Highness' | Large | Med-Green | Streaked | Yellow | Unknown | - | - | Miller, Jeff | --NR-- |
|
5
| 'Her Royal Hotness' | Miniature | Med-Green | Streaked | Yellow | Unknown | - | July into August | Freeman, Franc | .2012 |
|
6
| 'Isle Royal' | Large | Med-Green | | - | Hybrid | Pale-Lavender | July | Wilkins, Dr Jim | .2000 |
|
7
| 'Mount Royal' | Medium | Med-Green | | - | Hybrid | Pure-White | August | Montreal Botanical Garden | .1983 |
|
8
| 'Richland Royal Prince' | Small | Med-Green | Medial | White | Hybrid | Light-Purple | July into August | Wade, Van | --NR-- |
|
9
| 'Richland Royal Princess' | Large | Med-Green | Marginal | White | Sport | Light-Purple | July | Wade, Van | .1999 |
|
10
| 'Richland Royal Purple' | Large | Med-Green | | - | Sport | Deep-Purple | July into August | Wade, Van | .1999 |
|
11
| 'Royal Accolade' | Medium | Light-Green | Marginal | Green | Sport | Pure-White | August | Zumbar, Wm | .1986 |
|
12
| 'Royal Bells' | Medium | Dark-Green | Marginal | Yellow | Hybrid | Deep-Purple | August | Dishon, Jim | .1999 |
|
13
| 'Royal Blue' | | | | | Unknown | | | Unknown (Listed) | --NR-- |
|
14
| 'Royal Charm' | Small | Blue/Green | Streaked | White | Sport | Pale-Lavender | June into July | Zilis, Mark | .2003 |
|
15
| 'Royal Charmer' | Large | Med-Green | Streaked | White | Sport | Pure-White | July into August | Van Eechaute, Danny | .2011 |
|
16
| 'Royal Command' | - | - | | - | Duplicate | - | - | Duplicate Name | --NR-- |
|
17
| 'Royal Crest' | Large | Med-Green | | - | Hybrid | Pure-White | August to September | Hansen, Hans & Walters Gardens | .2018 |
|
18
| 'Royal Diadem' | Large | Med-Green | Marginal | White | Sport | Pure-White | August to October | Zumbar, Wm & Zilis, Mark | --NR-- |
|
19
| 'Royal Empress' | Giant | Med-Green | Marginal | Chartreuse | Sport | Pale-Lavender | June into July | Rawson, Don | .2016 |
|
20
| 'Royal Flush' | Large | Blue/Green | Marginal | Yellow | Unknown | Pale-Lavender | July | Savory, Robert | .1985 |
|
21
| 'Royal Gold' | Large | Yellow | | - | TC Sport | Pure-White | August to October | Wayside Gardens | --NR-- |
|
22
| 'Royal Golden Jubilee' | Medium | Med-Green | Medial | Yellow | Sport | Pale-Lavender | July | Ford, Richard & Ford, Mary | .2004 |
|
23
| 'Royal Highness' | Medium | Yellow | | - | Unknown | - | - | Minks, Eldren | --NR-- |
|
24
| 'Royal Highness Abrielle' | - | - | | - | Unknown | - | - | Unknown | --NR-- |
|
25
| 'Royal Lady' | Large | Dark-Green | | - | Unknown | - | August to September | Holly, Gladys & The American Hosta Society | .1986 |
|
26
| 'Royal Mouse Ears' | Small | Blue/Green | Streaked | White | TC Sport | Light-Purple | July | Deckert, Emile & Deckert, Jane | .2004 |
|
27
| 'Royal Oyster' | Medium | Med-Green | | - | Sport | Pure-White | August | Summers, Alex | --NR-- |
|
28
| 'Royal Persuasion' | Small | Dark-Green | | - | Unknown | - | - | King, Jim | --NR-- |
|
29
| 'Royal Purple' | Large | Med-Green | | - | Hybrid | - | - | Wrede, Arthur | --NR-- |
|
30
| 'Royal Quilt' | Large | Blue/Green | | - | Hybrid | Near-White | June into July | Caprice Farm Nursery & Rogers, Allan | .1988 |
|
31
| 'Royal Rainbow' (Aden) | Medium | Med-Green | Streaked | Yellow | Hybrid | - | - | Aden, Paul | .1978 |
|
32
| 'Royal Rainbow' (Hostapedia) | Large | Light-Green | Marginal | Yellow | Unknown | | | Unknown | --NR-- |
|
33
| 'Royal Regal Rhubarb' | Large | Med-Green | Marginal | White | Sport | Light-Purple | July into August | Benedict, Dr Ralph (Herb) | --NR-- |
|
34
| 'Royal Rhubarb' | Large | Med-Green | | - | Hybrid | Light-Purple | July into August | Pallone, D. & Ruh, Peter & Ruh, Jean | .2005 |
|
35
| 'Royal Rim' | Large | Med-Green | Marginal | White | Sport | Pure-White | August to October | Zumbar, Wm & Zilis, Mark | --NR-- |
|
36
| 'Royal Scepter' | Small | Light-Green | | - | Sport | Med-Lavender | July | Unknown | --NR-- |
|
37
| 'Royal Sovereign' | - | - | | - | Unknown | - | - | Unknown | --NR-- |
|
38
| 'Royal Splash' | Large | Med-Green | Streaked | White | TC Sport | Pure-White | August | Grullemans, John J. & Wayside Gardens | --NR-- |
|
39
| 'Royal Standard' | Large | Med-Green | | - | Hybrid | Pure-White | August to October | Grullemans, John J. & Wayside Gardens | .1986 |
|
40
| 'Royal Standard' - Mediovariegated | - | Med-Green | Medial | Yellow | TC Sport | Pure-White | August to October | Unknown | --NR-- |
|
41
| 'Royal Standard' - Yellow Form | Large | Yellow | | - | TC Sport | Pure-White | August to October | Unknown | --NR-- |
|
42
| 'Royal Standard Double' | Large | Med-Green | | - | Sport | Pure-White | August to September | Unknown | --NR-- |
|
43
| 'Royal Standard Special' | Large | Med-Green | Marginal | Yellow | TC Sport | Pure-White | August to October | Grullemans, John J. & Wayside Gardens | --NR-- |
|
44
| 'Royal Super' | Medium | Dark-Green | Streaked | Yellow | Sport | Pure-White | July into August | Walters Gardens & Falstad, Clarence | .2000 |
|
45
| 'Royal Susan' | Large | Med-Green | Streaked | White | Sport | Pale-Lavender | August | Benedict, Dr Ralph (Herb) | --NR-- |
|
46
| 'Royal Tapestry' | Large | Blue/Green | Marginal | Yellow | Hybrid | Pale-Lavender | July | Schwarz, Jim | .2002 |
|
47
| 'Royal Tiara' | Small | Med-Green | Medial | White | TC Sport | Pale-Lavender | July | Zilis, Mark | .1988 |
|
48
| 'Royal Wave' | Small | Blue/Green | Streaked | White | Sport | Pale-Lavender | June into July | Johnson, Greg | .2004 |
|
49
| 'Royal Wedding' | Medium | Med-Green | Marginal | White | TC Sport | Pure-White | August to September | Bergeron, Amy & Walters Gardens | .2014 |
|
50
| 'Royalty' | Medium | Yellow | | - | Hybrid | Light-Purple | July | Anderson, Kenneth | .1982 |
|
51
| 'Slightly Royal' | Large | Med-Green | Marginal | White | Sport | Pure-White | August to October | Johnson, Greg | .2004 |
|
52
| 'Valley's Royal Affair' | - | - | | - | Unknown | - | - | Linneman, Jeroen | --NR-- |
|