No. | Cultivar Name | Plant Size | Origin | Flower Color | Season | Source | Registered |
1
| 'A Burgh Thing' | Large | Unknown | - | June into July | Danik, Robert & Danik, K. | .2009 |
2
| 'A Scape Plan' | Medium | Hybrid | Pale-Lavender | August | Avent, Tony | --NR-- |
3
| 'Aachen' | Medium | Hybrid | - | June into July | Malloy, Alex | .2005 |
4
| 'Abba Blue Flight' | Medium | Unknown | - | - | Aden, Paul | --NR-- |
5
| 'Abba Blue Prayers' | Giant | Unknown | - | - | Aden, Paul | --NR-- |
6
| 'Abba Rough' | Medium | Unknown | Near-White | June into July | Aden, Paul | --NR-- |
7
| 'Abiqua Ariel' | Small | Hybrid | Near-White | June into July | Purtymun, Charles & Hyslop, Jay | .1999 |
8
| 'Abiqua Aries' | Medium | Hybrid | Near-White | July | Purtymun, Charles & Hyslop, Jay | .1999 |
9
| 'Abiqua Big Sky' | Giant | Unknown | - | June into July | Purtymun, Charles & Ruh, Peter | .2008 |
10
| 'Abiqua Blue Crinkles' | Medium | Unknown | Near-White | June into July | Purtymun, Charles | .1999 |
11
| 'Abiqua Blue Edger' | Small | Unknown | Pale-Lavender | July | Purtymun, Charles | .1987 |
12
| 'Abiqua Blue Hearts' | Small | Unknown | Pure-White | June into July | Purtymun, Charles & Zilis, Mark | .2009 |
13
| 'Abiqua Blue Jay' | Medium | Unknown | Pale-Lavender | July into August | Purtymun, Charles | .1988 |
14
| 'Abiqua Blue Madonna' | Medium | Unknown | Pale-Lavender | July | Purtymun, Charles | .1988 |
15
| 'Abiqua Blue Shield' | Large | Unknown | Near-White | June into July | Purtymun, Charles | .1988 |
16
| 'Abiqua Drinking Gourd' | Large | Hybrid | Near-White | June into July | Purtymun, Charles | .1989 |
17
| 'Abiqua Elephant Ears' | Giant | Hybrid | Pale-Lavender | July into August | Purtymun, Charles | .1999 |
18
| 'Abiqua Hallucination' | Medium | Sport | Pale-Lavender | July into August | Purtymun, Charles & Hyslop, Jay | .1988 |
19
| 'Abiqua Pagoda' | Giant | Hybrid | Near-White | June into July | Purtymun, Charles | .1989 |
20
| 'Abiqua Parasol' | Giant | Hybrid | Near-White | June into July | Purtymun, Charles | .1987 |
21
| 'Abiqua Trumpet' | Small | Unknown | Pale-Lavender | July into August | Purtymun, Charles | .1987 |
22
| 'Abraham Lincoln' | Medium | Hybrid | Light-Purple | June into July | Beilstein, Doug & Zilis, Mark | .2009 |
23
| 'Abundant Love' | Giant | Hybrid | Pure-White | July | Beilstein, Doug & Beilstein, Mardy | .2017 |
24
| 'Academy Blue Borealis' | Large | Unknown | - | - | Chamberlain, Steve | --NR-- |
25
| 'Academy Blue Funnel' | Large | Unknown | Pale-Lavender | June into July | Chamberlain, Steve | .2008 |
26
| 'Academy Blue Titan' | Large | Unknown | Pure-White | June | Chamberlain, Steve | .1999 |
27
| 'Academy Celeborn' | Large | Hybrid | Pure-White | July | Chamberlain, Steve | .2000 |
28
| 'Academy Crated Blue' | Small | Unknown | - | - | Chamberlain, Steve | --NR-- |
29
| 'Academy Cratered Blue' | Giant | Unknown | Near-White | July | Chamberlain, Steve | --NR-- |
30
| 'Academy Dark Space' | Medium | Sport | Med-Lavender | July into August | Chamberlain, Steve | .2015 |
31
| 'Academy Tousled Turkey' | Large | Hybrid | Med-Lavender | June into July | Chamberlain, Steve | .2001 |
32
| 'Adipose Donkey' | Medium | Hybrid | - | - | Moore, Jeff | --NR-- |
33
| 'Agawa' | Giant | Hybrid | Near-White | July into August | Wade, Van | .2007 |
34
| 'Age of Aquarius' | Medium | Hybrid | Near-White | July | Ward, Dr Dick & Ward, Jane | .2011 |
35
| 'Ah-ha-ha-bah' | Medium | Unknown | Light-Purple | June into July | Wade, Van | --NR-- |
36
| 'Ahhhs' | Medium | TC Sport | Pale-Lavender | July into August | Mortko, Rob | --NR-- |
37
| 'Ahr' | Medium | Hybrid | - | - | Klose, Heinz | --NR-- |
38
| 'Aksarben' | Giant | Hybrid | Near-White | June into July | Geissler, Julia & Ruh, Peter | .1988 |
39
| 'Alabama Bowl' | Large | Hybrid | Near-White | July | Suggs, Natalee | .1986 |
40
| 'Albert Lea' | Large | Sport | Near-White | June into July | Ruh, Peter | .1999 |
41
| 'Aldonna Blue Eyes' | Large | Unknown | - | - | Wade, Van | --NR-- |
42
| 'Algonquin' | Large | Hybrid | Near-White | June into July | Wade, Van | .2007 |
43
| 'Alinghi' | Large | Hybrid | Pale-Lavender | August to September | Hirsbrunner, Liselotte | .2003 .2018 |
44
| 'Allegan Emperor' | Giant | Hybrid | Pale-Lavender | July | Herrema, Ken & Deshane, H. & Ruh, Peter | .2000 |
45
| 'Alston Green' | Giant | Hybrid | Pale-Lavender | June | Stephens, Ray | .1998 |
46
| 'Am I Blue' | Giant | Hybrid | Near-White | June into July | Ward, Dr Dick & Ward, Jane | .1998 |
47
| 'American Angel's Fire' | Giant | Sport | Near-White | June into July | Wade, Van | --NR-- |
48
| 'American Big Dipper' | Giant | Unknown | Med-Lavender | July | Wade, Van | --NR-- |
49
| 'American Blue Hearts' | Large | Unknown | Near-White | June into July | Wade, Van | --NR-- |
50
| 'American Blue Masterpiece' | Giant | Unknown | Near-White | - | Wade, Van | --NR-- |
51
| 'American Blue Wrinkles' | Giant | Unknown | - | - | Wade, Van | --NR-- |
52
| 'American Chippewa' | Medium | Unknown | Pale-Lavender | July into August | Wade, Van | --NR-- |
53
| 'American Cobblestone' | Giant | Unknown | Med-Lavender | July | Wade, Van | --NR-- |
54
| 'American Gold Canoe' | Medium | Sport | Pale-Lavender | June into July | Wade, Van | --NR-- |
55
| 'American King of the Woods' | Giant | Hybrid | Near-White | July | Wade, Van | .2007 |
56
| 'American Majestic Blue' | Large | Unknown | Near-White | - | Wade, Van | --NR-- |
57
| 'American Monster' | Giant | Hybrid | Near-White | June into July | Wade, Van | --NR-- |
58
| 'American Pharoah' | Giant | Unknown | - | - | Wade, Van | --NR-- |
59
| 'American Ruffled Heart' | Giant | Hybrid | Pale-Lavender | June into July | Wade, Van | .2000 |
60
| 'American Ruffles' | Large | Unknown | Near-White | July | Wade, Van | --NR-- |
61
| 'American Super Elegans' | Large | Hybrid | Near-White | - | Wade, Van | --NR-- |
62
| 'American Super Mouse' | Small | Sport | Light-Purple | July | Wade, Van | --NR-- |
63
| 'American Yeti' | Giant | Hybrid | Near-White | July | Wade, Van | .2007 |
64
| 'Amethyst Blue' | Medium | Hybrid | Deep-Purple | June into July | Seaver, Charles | .1996 |
65
| 'Amethyst Chip' | Miniature | Hybrid | Pale-Lavender | July into August | Benedict, Dr Ralph (Herb) & Benedict, Dorothy | .2000 |
66
| 'Amethyst Facet' | Small | Hybrid | Pale-Lavender | July into August | Benedict, Dr Ralph (Herb) | .2003 |
67
| 'Amos' | Large | Unknown | Near-White | June into July | Petryszyn, Olga | --NR-- |
68
| 'Amy Stewart' | Medium | Unknown | - | - | Stark, Gunther | --NR-- |
69
| 'Andorian' | Small | Unknown | Med-Lavender | - | Dupre, Dirk | .2009 |
70
| 'Andrew Jackson' | Giant | Unknown | Near-White | June into July | Sugita, Hajime & Ruh, Peter & Ruh, Jean | .2001 |
71
| 'Andrew's Moody Mom' | Medium | Unknown | - | June into July | Wolfe, A. & Freeman, Franc | .2010 |
72
| 'Andy' | Medium | Unknown | - | - | Goodwin, Randy | --NR-- |
73
| 'Angel 13' | Giant | Sport | Near-White | June into July | Unknown | --NR-- |
74
| 'Ansty' | Medium | Unknown | - | - | Simon, Dr Hans | --NR-- |
75
| 'Apple Jack' (Benedict) | Medium | Hybrid | - | - | Benedict, Dr Ralph (Herb) | --NR-- |
76
| 'Aqua Duchess' | Large | Hybrid | - | - | Lydell, Ransom | --NR-- |
77
| 'Aqua Velva' | Large | Hybrid | Pale-Lavender | July into August | Vaughn, Kevin | .1983 |
78
| 'Aquamarine' | Medium | Unknown | Med-Lavender | July into August | Gossett, Gary & Terra Nova Nurseries | --NR-- |
79
| 'Arapaho' | Large | Unknown | - | - | Wade, Van | --NR-- |
80
| 'Arch Duke' | Giant | Hybrid | Pale-Lavender | July into August | Lydell, Ransom | .2000 |
81
| 'Arctic Blast' | Medium | Hybrid | Light-Purple | July | Carlson, Monty & Carlson, Julie | .2019 |
82
| 'Arett's Wonder' | Large | Hybrid | Pale-Lavender | June into July | Arett, Anne & The American Hosta Society | .1986 |
83
| 'Arten' | Medium | Hybrid | Light-Purple | August | Livingston, Ron | --NR-- |
84
| 'Asher' | Large | Hybrid | Near-White | July into August | Kwick, Charles | .2017 |
85
| 'Aspen Blue' | Medium | Sport | Near-White | June into July | Hawes, James | --NR-- |
86
| 'Astral Bliss' | Small | Hybrid | Pale-Lavender | July into August | Dean, Don | .2009 |
87
| 'Atomic Elvis Blue' | Medium | Hybrid | Light-Purple | August | Livingston, Ron | --NR-- |
88
| 'August Blue' | - | Unknown | - | - | Unknown | --NR-- |
89
| 'Aunt Saphrona' | Medium | Unknown | Near-White | July | Tompkins, Cynthia | --NR-- |
90
| 'Aventurine' | Medium | Unknown | - | - | Seaver, Mildred | --NR-- |
91
| 'Awakening Angel' | Medium | Hybrid | Light-Purple | July into August | Nyikos, Frank | .2005 |
92
| 'Azure Chalice' | Small | Unknown | Pale-Lavender | June into July | Syre-Herz, Ursula | .1996 |
93
| 'Azure Cherub' | Medium | Unknown | Pale-Lavender | July into August | Ruh, Peter | .2002 |
94
| 'Azure Frills' | Medium | Hybrid | Light-Purple | July into August | Zilis, Mark | .2010 |
95
| 'Azure Frost' | Large | Unknown | Near-White | June into July | Treichel, Bernie | .2006 |
96
| 'Azure Gem' | Small | Hybrid | - | - | Avent, Tony | --NR-- |
97
| 'Azure Snow' | Large | Hybrid | Pale-Lavender | August to October | Ruh, Peter | .1991 |
98
| 'Azure Waves' | Medium | Unknown | Med-Lavender | July | Micheletti, Tom | .2011 |
99
| 'Les Noces d'Argent' | Giant | Unknown | Near-White | June | Bastille, Jocelyne | --NR-- |
|