| No. | Cultivar Name | Plant Size | Leaf Color | Variegation | Var Color | Origin | Season | Source | Registered |
|
1
| 'I Bluit' | Medium | Blue/Green | | | Unknown | July to August | Benedict, Dr Ralph (Herb) & Benedict, Dorothy & Kuenster, Rod | .2010 |
|
2
| 'Ian Winslow' | Medium | Yellow | Marginal | Green | Sport | July to August | Stark, Gunther & Stark, Dean | --NR-- |
|
3
| 'Ice Age' | Medium | Dark-Green | Medial | White | Unknown | August to September | Schmid, Tom | .2002 |
|
4
| 'Iceberg' | Large | Med-Green | Marginal | White | Hybrid | July to August | Avent, Tony | .2000 |
|
5
| 'I'll Have Another' | Medium | Med-Green | Marginal | Yellow | Sport | August | Silvers, Bill | .2012 |
|
6
| 'Ilona' | Large | Blue/Green | Medial | White | Sport | July to August | Heemskerk, Gerardus | .2011 |
|
7
| 'I'm My Kid's Mom' | Medium | Med-Green | Streaked | White | Hybrid | July to August | Elslager, Ed | .2003 |
|
8
| 'Imp' | Miniature | Med-Green | Marginal | Creamy White | Hybrid | July to August | Hansen, Hans | .2006 |
|
9
| 'Imperial Majesty' | Large | Med-Green | | | Hybrid | August | Sellers, Van & Ruh, Peter | .2003 |
|
10
| 'Imperial Potentate' | Large | Med-Green | Streaked | Speckles | Sport | July to August | Benedict, Dr Ralph (Herb) & Benedict, Dorothy | .1999 |
|
11
| 'Inaho' | Medium | Dark-Green | Streaked | White | Unknown | August to September | Unknown & Ruh, Peter & Ruh, Jean | .2005 .2018 |
|
12
| 'Incognito' | Large | Blue/Green | Marginal | Yellow | Sport | July to August | Struhar, Bill | .2006 |
|
13
| 'Independence' | Medium | Dark-Green | Marginal | White | Sport | August | Westendorp, Jeff & Walters Gardens | .2001 |
|
14
| 'Indian Summer' (Goodwin) | Small | Yellow | Marginal | White | Sport | July to August | Goodwin, Randy | .2006 |
|
15
| 'Indiana Blue' | Medium | Blue/Green | | | Unknown | July to August | Balitewicz, Bob | --NR-- |
|
16
| 'Indy Fan Favorite' | Small | Light-Green | | | Unknown | August | Goodwin, Randy | .2014 |
|
17
| 'Indy Finish Line' | Medium | Med-Green | Medial | Creamy White | Hybrid | July to August | Whitmore, Bob & Goodwin, Randy | .2005 |
|
18
| 'Indy Parade Lap' | Small | Dark-Green | Marginal | Yellow | Unknown | August | Goodwin, Randy | .2005 |
|
19
| 'Indy Winners' Circle' | Medium | Yellow | Marginal | Green | Sport | August | Dove, Bill & Dove, Wanda & Indianapolis Hosta Society | .2006 |
|
20
| 'Infatuation' | Medium | Blue/Green | | | Hybrid | August to September | Solberg, Robert | .2016 .2018 |
|
21
| 'Inland Sea' | Medium | Dark-Green | | | Hybrid | August | Sugita, Hajime & Zilis, Mark | .1998 |
|
22
| 'Innocent Desire' | Large | Dark-Green | Marginal | White | Sport | August | Unknown | --NR-- |
|
23
| 'Instant Gratification' | Small | Light-Green | Medial | White | Hybrid | August | Beilstein, Doug & Beilstein, Mardy | .2013 |
|
24
| 'Invincible' | Medium | Med-Green | | | Hybrid | August | Aden, Paul | .1986 |
|
25
| 'Invincible Spirit' | Medium | Yellow | | | Hybrid | August | Zonneveld, Ben & Philips, Hugo | --NR-- |
|
26
| 'Invocation' | Large | Light-Green | Marginal | White | Hybrid | July to August | Lysne, Rod | .2021 |
|
27
| 'Iowa Hawkeye' | Medium | Dark-Green | Medial | Yellow | Sport | July to August | McBurney, Jim & McBurney, Lois & Kuenster, Rod | .2006 |
|
28
| 'Iowa Moon' | Medium | Yellow | Marginal | Light Green | Sport | July to August | Simmering, Ron | .2000 |
|
29
| 'Irish Cream' | Large | Blue/Green | | | Sport | July to August | Thompson, Rick & Thompson, Criss | --NR-- |
|
30
| 'Irish Hills' | Giant | Dark-Green | | | Sport | July to August | Anderson, Kenneth | .1996 |
|
31
| 'Irish Jig' | Medium | Dark-Green | Marginal | White | Hybrid | July to August | Ward, Dr Dick & Ward, Jane | .2012 |
|
32
| 'Irish Luck' | Large | Dark-Green | | | Hybrid | July to August | Lalonde, Irene | .2007 |
|
33
| 'Irish Pastures' | Medium | Light-Green | Marginal | White | Sport | July to August | Goodwin, Randy | .2006 |
|
34
| 'Irish Pearl' | Small | Med-Green | | | Unknown | August to September | Goodwin, Randy | .2017 |
|
35
| 'Iron Gate Bouquet' | Medium | Dark-Green | | | Unknown | August | Sellers, Van | .1983 |
|
36
| 'Iron Gate Delight' | Medium | Dark-Green | Marginal | White | Hybrid | July to August | Sellers, Van | .1981 |
|
37
| 'Iron Gate Glamour' | Large | Med-Green | Marginal | White | Hybrid | August | Sellers, Van | .1981 |
|
38
| 'Iron Gate Special' | Medium | Med-Green | Marginal | Yellow | Sport | August | Sellers, Van & Santa Lucia, Vic & Walek, Kevin & The American Hosta Society | .2009 |
|
39
| 'Iron Gate Supreme' | Medium | Med-Green | Streaked | White | Hybrid | August | Sellers, Van | .1980 |
|
40
| 'Iron Gate Supreme Green' | Large | Med-Green | | | Sport | August | Wade, Van | --NR-- |
|
41
| 'Iron Sky' | Small | Blue/Green | | | Sport | August | Van Eechaute, Danny | .2012 |
|
42
| 'Isis' | Small | Yellow | Streaked | White | Sport | August | Malloy, Alex | --NR-- |
|
43
| 'Island Breeze' | Medium | Med-Green | Medial | Yellow | TC Sport | July to August | Diaz, Ariel & Hansen, Hans & Walters Gardens | .2014 |
|
44
| 'Island Fling' | Medium | Blue/Green | Marginal | Yellow | Sport | July to August | Blake, Amanda | .2016 |
|
45
| 'Island Heartbreaker' | Large | Blue/Green | | | Unknown | July to August | Blake, Amanda | .2016 |
|
46
| 'Island Velvet' | Medium | Dark-Green | | | Unknown | July to August | Blake, Amanda | .2016 |
|
47
| 'Iszat U Doc' | Medium | Med-Green | | | Hybrid | July to August | Benedict, Dr Ralph (Herb) & Walek, Kevin & The American Hosta Society | .2009 |
|
48
| 'It' | Medium | Med-Green | Streaked | Speckles | Sport | July to August | Solberg, Robert | --NR-- |
|
49
| 'Itasca' | Medium | Med-Green | Streaked | Yellow | Sport | July to August | Johnson, Arthur H. | .1974 |
|
50
| 'It's a Jungle Out There' | Small | Light-Green | Streaked | Speckles | Hybrid | August | Freeman, Franc | .2011 |
|
51
| 'Itsy Bitsy Spider' | Miniature | Dark-Green | | | Hybrid | July to August | Johnson, Greg | .2004 |
|
52
| 'Itty Blue' | Small | Blue/Green | | | TC Sport | July to August | Zilis, Mark | .2011 |
|
53
| 'Iva Delight' | Medium | Med-Green | Medial | White | Sport | July to August | Lisik, Philip | .2003 |
|
54
| 'Ivory Frame' | Medium | Med-Green | Marginal | White | Nat-Sport | July to August | Van Eechaute, Danny | --NR-- |
|
55
| 'Ivory Queen' | Medium | Blue/Green | Medial | White | Sport | August to September | Walters Gardens | .2014 |
|
56
| 'Ivory Queen Streaked' | Medium | Blue/Green | Streaked | White | Sport | August to September | Unknown | --NR-- |
|
57
| 'Ivory Snow' | Small | Dark-Green | Medial | White | Unknown | July to August | Goodwin, Randy | .2019 |
|
58
| 'Ivy Parody' | Medium | Blue/Green | Marginal | White | Sport | July to August | Braun-Nauerz, Gaby & Warmerdam, Piet | .2003 |
|
59
| 'Iwa Soules' | Large | Med-Green | | | Sport | August to September | Soules, Marjorie & Walek, Kevin & The American Hosta Society | .2009 |
|
60
| 'Izumi' | Small | Med-Green | | | Hybrid | August to September | Unknown | --NR-- |
|