No. | Cultivar Name | Category | Origin | Plant Size | Leaf Color | Varieg. | Var Color | Flower Color | Season | Source | YR Reg |
1
| 'Alabama Bowl' | Blue/Green (S) | Hybrid | Large | Blue/Green | | | Near-White | July | Suggs, Natalee | .1986 |
2
| 'Azure Snow' | Blue/Green (HJ) Classic (HJ) | Hybrid | Large | Blue/Green | | | Pale-Lavender | August to September to October | Ruh, Peter | .1991 |
3
| 'Baby Bunting' | Classic (HJ) Blue/Green (HJ) | Hybrid | Small | Blue/Green | | | Deep-Purple | June to July | Savory, Robert | .1982 |
4
| 'Big Daddy' | Favorites (S) Upright (S) Blue/Green (S) Classic (HJ) Blue/Green (HJ) | Sport | Large | Blue/Green | | | Pure-White | June to July | Shaw, Florence | .1978 |
5
| 'Big Mama' | Blue/Green (S) | Hybrid | Large | Blue/Green | | | Near-White | Unknown | Shaw, Florence | .1978 |
6
| 'Birchwood Blue' | Blue/Green (S) | Hybrid | Large | Blue/Green | | | Pale-Lavender | June to July | Shaw, Florence | .1986 |
7
| 'Birchwood Parky's Blue' | Blue/Green (S) | Unknown | Small | Blue/Green | | | Near-White | June to July | Shaw, Florence | .1986 |
8
| 'Blue Angel' | Favorites (S) Giants (S) Blue/Green (S) Flowers (G) Classic (HJ) Blue/Green (Z) Blue/Green (HJ) Classic (Z) | Hybrid | Giant | Blue/Green | | | Pure-White | Unknown | Shaw, Florence | .1986 |
9
| 'Blue Arrow' | Classic (HJ) Blue/Green (HJ) | Unknown | Medium | Blue/Green | | | Pale-Lavender | July to August | Smith, Eric & Anderson, Kenneth | .1982 |
10
| 'Blue Betty Lou' | Classic (Z) Blue/Green (Z) | Hybrid | Large | Blue/Green | | | Pale-Lavender | July | Owens, Clarence | .1987 |
11
| 'Blue Boy' | Blue/Green (S) Blue/Green (HJ) Classic (HJ) | Hybrid | Large | Blue/Green | | | Pale-Lavender | Unknown | Stone, David & The American Hosta Society | .1986 |
12
| 'Blue Cadet' | Favorites (S) Blue/Green (S) Classic (HJ) Breeder (HJ) Blue/Green (Z) Blue/Green (HJ) | Hybrid | Small | Blue/Green | | | Pale-Lavender | July to August | Shaw, Florence | .1974 |
13
| 'Blue Danube' | Blue/Green (Z) | Unknown | Small | Blue/Green | | | Pale-Lavender | July | Smith, Eric & British Hosta and Hemerocallis Society | .1988 |
14
| 'Blue Dimples' | Blue/Green (S) Blue/Green (HJ) Classic (HJ) | Unknown | Small | Blue/Green | | | Pale-Lavender | July to August | Smith, Eric & British Hosta and Hemerocallis Society | .1988 |
15
| 'Blue Hawaii' | Blue/Green (Z) | Hybrid | Giant | Blue/Green | | | Light-Purple | July | Petryszyn, Olga | .1999 |
16
| 'Blue Heaven' | Blue/Green (S) | Hybrid | Medium | Blue/Green | | | Pale-Lavender | June to July | Smith, Eric & Aden, Paul | .1976 |
17
| 'Blue Mammoth' | Blue/Green (Z) | Unknown | Giant | Blue/Green | | | Near-White | June to July | Aden, Paul & Ruh, Peter & Ruh, Jean | .2010 |
18
| 'Blue Moon' | Blue/Green (S) Classic (HJ) Blue/Green (HJ) | Unknown | Miniature | Blue/Green | | | Pure-White | July to August | Smith, Eric & Aden, Paul | .1976 |
19
| 'Blue Piecrust' | Blue/Green (S) | Unknown | Giant | Blue/Green | | | Near-White | June to July | Summers, Alex | .1986 |
20
| 'Blue Seer' | Classic (HJ) Blue/Green (HJ) | Hybrid | Giant | Blue/Green | | | Near-White | June to July | Aden, Paul & Zilis, Mark | .2010 |
21
| 'Blue Skies' | Blue/Green (S) | Unknown | Small | Blue/Green | | | Pale-Lavender | Unknown | Smith, Eric & British Hosta and Hemerocallis Society | .1988 |
22
| 'Blue Umbrellas' | Giants (S) Blue/Green (S) Classic (HJ) Blue/Green (HJ) | Unknown | Giant | Dark-Green | | | Pale-Lavender | June to July | Shaw, Florence & Aden, Paul | .1978 .2012 |
23
| 'Blue Vision' | Classic (HJ) Blue/Green (HJ) | Hybrid | Large | Blue/Green | | | Near-White | June to July | Aden, Paul | .1976 |
24
| 'Blue Wedgwood' | Blue/Green (S) | Unknown | Medium | Blue/Green | | | Pale-Lavender | July to August | Smith, Eric & British Hosta and Hemerocallis Society | .1988 |
25
| 'Bressingham Blue' | Classic (HJ) Blue/Green (HJ) | Hybrid | Large | Blue/Green | | | Near-White | June to July | Bloom, Alan | .1984 |
26
| 'Brother Ronald' | Blue/Green (Z) | Unknown | Medium | Blue/Green | | | Pure-White | July to August | Smith, Eric & British Hosta and Hemerocallis Society | .1988 |
27
| 'Buckeye Blue' | Blue/Green (HJ) | Unknown | Giant | Blue/Green | | | Near-White | June to July | Ward, Dr Dick & Ward, Jane | .1997 |
28
| 'Buckshaw Blue' | Blue/Green (S) | Hybrid | Large | Blue/Green | | | Near-White | June to July | Smith, Eric & British Hosta and Hemerocallis Society | .1986 |
29
| 'Camelot' | Classic (HJ) Blue/Green (HJ) | Unknown | Medium | Blue/Green | | | Pale-Lavender | July | Smith, Eric & British Hosta and Hemerocallis Society | .1988 |
30
| 'Candy Hearts' | Blue/Green (S) Classic (S) Classic (HJ) Green (HJ) | Hybrid | Medium | Blue/Green | | | Pale-Lavender | July | Fisher, Eunice V. & Ruh, Peter | .1998 |
31
| 'Cool Change' | Blue/Green (Z) | Hybrid | Large | Yellow | | | Near-White | June to July | Kuk, Bob | .1995 |
32
| 'Deep Blue Sea' | Classic (HJ) Blue/Green (Z) Corrugation (Z) Blue/Green (HJ) | Hybrid | Large | Blue/Green | | | Pale-Lavender | July | Seaver, Charles | .1994 |
33
| 'Dorothy' | Classic (HJ) Blue/Green (HJ) | Hybrid | Medium | Dark-Green | | | Light-Purple | August | Williams, Frances & The American Hosta Society | .1986 |
34
| 'Elegans' | Blue/Green (S) Bouquet (G) Flowers (G) | Hybrid | Giant | Blue/Green | | | Pale-Lavender | June to July | Arends, George & The American Hosta Society | .1987 |
35
| 'Fragrant Blue' | Classic (HJ) Blue/Green (HJ) | Hybrid | Large | Blue/Green | | | Pale-Lavender | August | Vaughn, Kevin & Aden, Paul | .1988 |
36
| 'Gray Cole' | Giants (S) Blue/Green (S) | Hybrid | Giant | Blue/Green | | | Near-White | June | Gray and Cole Nursery & Kuk, Bob | .1985 |
37
| 'Grey Beauty' | Blue/Green (S) | Unknown | Large | Blue/Green | | | Pale-Lavender | June to July | Hensen, Karel | .1983 |
38
| 'Hadspen Blue' | Favorites (S) Blue/Green (S) Classic (HJ) Blue/Green (HJ) Favorites (HG) | Unknown | Large | Blue/Green | | | Pale-Lavender | July to August | Smith, Eric & Aden, Paul | .1976 |
39
| 'Hadspen Hawk' | Blue/Green (S) | Unknown | Medium | Blue/Green | | | Pale-Lavender | August to September to October | Smith, Eric & British Hosta and Hemerocallis Society | .1988 |
40
| 'Hadspen Heron' | Edger (S) Blue/Green (S) Breeder (HJ) | Unknown | Medium | Blue/Green | | | Pale-Lavender | July to August | Smith, Eric & Aden, Paul | .1976 |
41
| 'Halcyon' | Blue/Green (S) Breeder (G) Blue/Green (Z) Breeder (Z) Favorites (HG) Classic (Z) | Hybrid | Medium | Blue/Green | | | Pale-Lavender | July to August | Smith, Eric & The American Hosta Society | .1988 |
42
| 'Harmony' | Blue/Green (S) | Unknown | Small | Blue/Green | | | Light-Purple | August | Smith, Eric & Aden, Paul | .1976 |
43
| 'Housatonic' | Blue/Green (S) | Unknown | Large | Blue/Green | | | Near-White | June | Payne, Henry | .1986 |
44
| 'Krossa Regal' | Favorites (S) Upright (S) Blue/Green (S) Classic (HJ) Blue/Green (HJ) Favorites (BH) Favorites (FG) Classic (Z) Upright (Z) | Hybrid | Giant | Blue/Green | | | Pale-Lavender | July to August | Krossa, Gus & Summers, Alex | .1980 |
45
| 'Lakeside Color Blue' | Blue/Green (HJ) | Hybrid | Large | Blue/Green | | | Pure-White | June to July | Chastain, Mary | .2003 |
46
| 'Love Pat' | Blue/Green (S) Breeder (HJ) Classic (HJ) Blue/Green (HJ) Classic (Z) Blue/Green (Z) Corrugation (Z) | Hybrid | Large | Blue/Green | | | Pale-Lavender | Unknown | Shaw, Florence & Aden, Paul | .1978 |
47
| 'Mira' | Blue/Green (S) Flowers (G) | Sport | Giant | Blue/Green | | | Pale-Lavender | June to July | Maekawa, Dr Fumio & The American Hosta Society | .2002 .2018 |
48
| 'Neat and Tidy' | Blue/Green (S) | Hybrid | Large | Blue/Green | | | Pale-Lavender | July | Simpers, Lucille | .1980 |
49
| 'Pearl Lake' | Blue/Green (S) Classic (HJ) Green (HJ) | Unknown | Medium | Blue/Green | | | Pale-Lavender | July | Stone, David & Payne, Frank | .1982 |
50
| 'Perry's True Blue' | Blue/Green (S) Classic (HJ) | Hybrid | Large | Blue/Green | | | Near-White | June | Grullemans, John J. & Hofer, Paul & Hofer, Linda & Ruh, Peter | .1981 |
51
| 'Powder Blue' | Blue/Green (Z) Corrugation (Z) | Unknown | Giant | Blue/Green | | | Pale-Lavender | June | Sugita, Hajime & Ruh, Peter | .1998 |
52
| 'Queen of the Seas' | Classic (HJ) Blue/Green (HJ) | Unknown | Large | Blue/Green | | | Near-White | July | Seaver, Mildred | .2001 |
53
| 'Reginald Kaye' | Blue/Green (S) | Unknown | Medium | Blue/Green | | | Near-White | August | Ruh, Peter & Ruh, Jean | .2003 |
54
| 'Ryan's Big One' | Giants (S) Blue/Green (S) | Hybrid | Giant | Blue/Green | | | Near-White | June to July | Englerth, Lawrence & Ryan (Unknown) | .1982 |
55
| 'Sea Lotus Leaf' | Classic (HJ) Blue/Green (HJ) | Hybrid | Large | Blue/Green | | | Pale-Lavender | July | Seaver, Mildred | .1985 |
56
| 'Sea Monster' | Blue/Green (S) | Hybrid | Large | Med-Green | | | Near-White | June to July | Seaver, Mildred & Walek, Kevin & The American Hosta Society | .1978 .2010 |
57
| 'Serendipity' | Blue/Green (S) | Hybrid | Medium | Blue/Green | | | Pale-Lavender | July | Aden, Paul | .1978 |
58
| 'Silver Bay' | Blue/Green (Z) Corrugation (Z) Classic (Z) | Hybrid | Medium | Blue/Green | | | Light-Purple | July | Dean, Don | .1999 |
59
| 'Silvery Slugproof' | Classic (HJ) Blue/Green (HJ) | Hybrid | Medium | Blue/Green | | | Pale-Lavender | July to August | Grenfell, Diana | .1996 |
60
| 'Skylight' | Blue/Green (Z) | Hybrid | Medium | Blue/Green | | | Pale-Lavender | June | Stegeman, Bev & Stegeman, Dave | .2001 |
61
| 'Snowden' | Blue/Green (S) | Hybrid | Giant | Blue/Green | | | Near-White | June to July | Smith, Eric & British Hosta and Hemerocallis Society | .1988 |
62
| 'Tokudama' | Blue/Green (S) | Unknown | Medium | Blue/Green | | | Near-White | June to July | Unknown | --NR-- |
63
| 'Trail's End' | Giants (S) Blue/Green (S) | Unknown | Large | Blue/Green | | | Near-White | June | Ruh, Peter | .1978 |
64
| 'True Blue' | Blue/Green (S) Classic (HJ) Blue/Green (HJ) | Hybrid | Large | Blue/Green | | | Pure-White | Unknown | Aden, Paul | .1978 |
65
| 'War Party' | Blue/Green (HJ) | Unknown | Large | Blue/Green | | | Pale-Lavender | July | Goodwin, Randy | .2000 |
66
| 'Willy Nilly' | Blue/Green (S) | Hybrid | Giant | Blue/Green | | | Near-White | June to July | Holly, Gladys & Ruh, Peter | .1996 |
67
| 'Yakushima Mizu' | Edger (S) Blue/Green (S) | Unknown | Small | Med-Green | | | Pale-Lavender | August | Unknown | --NR-- |
68
| 'Yankee Blue' | Blue/Green (HJ) | Hybrid | Medium | Blue/Green | | | Near-White | July to August | Balitewicz, Bob | .1999 |