| No. | Cultivar Name | Plant Size | Leaf Color | Variegation | Var Color | Origin | Flower Color | Season | Source | Registered |
|
1
| 'I Can't Get No Satisfaction' | - | Unknown | | - | Unknown | Unknown | - | Unknown | --NR-- |
|
2
| 'I Remember' | | - | | - | Duplicate | - | | Duplicate Name | --NR-- |
|
3
| 'I Spy' | Small | Med-Green | Streaked | Yellow | Unknown | Unknown | - | Malloy, Alex | --NR-- |
|
4
| 'I-80' | - | Unknown | | - | Unknown | Unknown | - | Unknown | --NR-- |
|
5
| 'Ian Winslow' | Medium | Yellow | Marginal | Green | Sport | Pale-Lavender | July into August | Stark, Gunther & Stark, Dean | --NR-- |
|
6
| 'Ibaraki-K' | - | Unknown | | - | Unknown | Unknown | - | Simpers, Lucille | --NR-- |
|
7
| 'Ibis' | - | Unknown | | - | Unknown | Unknown | - | Malloy, Alex | --NR-- |
|
8
| 'Ibuki Gibōshi' | | - | | - | Duplicate | - | | Duplicate Name | --NR-- |
|
9
| 'Ibukiyama Gibōshi' | - | Unknown | | - | Unknown | Unknown | - | Unknown | --NR-- |
|
10
| 'Ice Cap' | | - | | - | Duplicate | - | | Duplicate Name | --NR-- |
|
11
| 'Ice Cave' | Medium | Med-Green | Streaked | White | Hybrid | Unknown | - | Moore, Jeff | --NR-- |
|
12
| 'Ice Cream Streaked' | Medium | Med-Green | Streaked | Yellow | Sport | Med-Lavender | July | Unknown | --NR-- |
|
13
| 'Ice Cube' | Miniature | Med-Green | Marginal | White | Sport | Light-Purple | July | Fransen, Marco | --NR-- |
|
14
| 'Ice Flow' | Medium | Blue/Green | | | Unknown | Unknown | - | Wols, Dan | --NR-- |
|
15
| 'Ice Follies' | Large | Dark-Green | Marginal | White | Sport | Pale-Lavender | July | Meyer, Bill | --NR-- |
|
16
| 'Ice Prancer' | Large | Blue/Green | | - | Hybrid | Pale-Lavender | July | Sawyer, Rick | --NR-- |
|
17
| 'Iced Lemon' | Miniature | Light-Green | Marginal | White | Sport | Light-Purple | July | Batten, Hamish & Ruh, Peter & Ruh, Jean | --NR-- |
|
18
| 'Iceland' | Medium | Med-Green | Medial | White | Hybrid | Unknown | - | Smith, Eric | --NR-- |
|
19
| 'Iceman Cometh' | Small | Dark-Green | Streaked | Yellow | Unknown | Unknown | - | Malloy, Alex | --NR-- |
|
20
| 'Ichabod Crane' | Large | Med-Green | | - | Hybrid | Pale-Lavender | June into July | Balitewicz, Bob | --NR-- |
|
21
| 'Icicle' | Small | Dark-Green | Medial | White | Sport | Near-White | June into July | Fischer, Dr Ullrich | --NR-- |
|
22
| 'Icy Fog' | Medium | Dark-Green | Medial | White | Sport | Med-Lavender | June into July | Wilson, Chris | --NR-- |
|
23
| 'Icy Waters' | Large | Blue/Green | Streaked | Yellow | Unknown | Unknown | - | Unknown | --NR-- |
|
24
| 'Iggie' | Medium | Yellow | | - | Unknown | Pale-Lavender | July | Benedict, Dr Ralph (Herb) | --NR-- |
|
25
| 'Iichiro' | Medium | Med-Green | Marginal | White | Unknown | Unknown | - | Gowen, Hideko | --NR-- |
|
26
| 'Il Gallo d'Oro' | - | Yellow-Gold | | - | Unknown | Unknown | - | Unknown | --NR-- |
|
27
| 'Iliad' | - | Unknown | | - | Hybrid | Unknown | - | Moore, Jeff | --NR-- |
|
28
| 'Iliamna Monster' | Giant | Med-Green | | - | Unknown | Unknown | - | Unknown | --NR-- |
|
29
| 'Illini' | - | Unknown | | - | Unknown | Unknown | - | Unknown | --NR-- |
|
30
| 'Illusions' | - | Unknown | | - | Unknown | Unknown | - | Housworth, Jere | --NR-- |
|
31
| 'I'm the Mom' | Medium | Blue/Green | Streaked | Yellow | Unknown | Unknown | - | Ziarek, Ken | --NR-- |
|
32
| 'Imagine' | Large | Blue/Green | Streaked | Yellow | Unknown | Unknown | - | Chastain, Mary | --NR-- |
|
33
| 'Imagine Love' | - | Unknown | Streaked | Unknown | Unknown | Unknown | - | Unknown | --NR-- |
|
34
| 'Immerse' | Medium | Med-Green | Marginal | White | Unknown | Light-Purple | - | Unknown | --NR-- |
|
35
| 'Impact' | Medium | Med-Green | Marginal | White | Unknown | Pale-Lavender | July | Lydell, Ransom | --NR-- |
|
36
| 'Imperial Crown' | Large | Med-Green | Marginal | White | Unknown | Unknown | - | Unknown | --NR-- |
|
37
| 'Impressionist' | Small | Med-Green | Marginal | White | Unknown | Unknown | - | Malloy, Alex | --NR-- |
|
38
| 'Impressive' | Small | Med-Green | | - | Unknown | Unknown | - | Goodwin, Randy | --NR-- |
|
39
| 'In the Line of Duty' | Giant | Med-Green | | | Hybrid | Unknown | - | Hosta Choice Gardens | --NR-- |
|
40
| 'In the Ruff' | Medium | Light-Green | | - | Sport | Pale-Lavender | July | Unknown | --NR-- |
|
41
| 'Inagodadivida' | - | Unknown | | - | Unknown | Unknown | - | Goodenough, Rick | --NR-- |
|
42
| 'Inca Gold' | Small | Yellow | | - | Unknown | Unknown | - | Chrystal, Ian | --NR-- |
|
43
| 'Incoming Tide' | Medium | Med-Green | Marginal | White | Unknown | Unknown | - | Lydell, Ran | --NR-- |
|
44
| 'Incredible' | Giant | Blue/Green | Marginal | Chartreuse | Unknown | Near-White | June into July | Benedict, Dr Ralph (Herb) | --NR-- |
|
45
| 'Indecent Island' | Miniature | Med-Green | Medial | Yellow | Sport | Unknown | - | Philips, Hugo | --NR-- |
|
46
| 'Indian Summer' (Summers) | Medium | Med-Green | | - | Unknown | Unknown | - | Summers, Alex | --NR-- |
|
47
| 'Indiana Blue' | Medium | Blue/Green | | - | Unknown | Pale-Lavender | July into August | Balitewicz, Bob | --NR-- |
|
48
| 'Indiana Bob' | - | Unknown | | | Hybrid | Unknown | - | Balitewicz, Bob | --NR-- |
|
49
| 'Indiana Bob's Emerald' | Large | Dark-Green | | | Unknown | Unknown | - | Balitewicz, Bob & Goodenough, Rick | --NR-- |
|
50
| 'Indiana Bob's Lost Ark' | Large | Med-Green | | | Unknown | Unknown | - | Balitewicz, Bob & Goodenough, Rick | --NR-- |
|
51
| 'Indiana Feathers' | - | Unknown | | - | Unknown | Unknown | - | Unknown | --NR-- |
|
52
| 'Indigo Cup' | | - | | - | Duplicate | - | | Duplicate Name | --NR-- |
|
53
| 'Indigo Dip' | | - | | - | Duplicate | - | | Duplicate Name | --NR-- |
|
54
| 'Inka Dinka Do' | Small | Med-Green | Marginal | White | Unknown | Unknown | - | Lydell, Ransom | --NR-- |
|
55
| 'Inkwell' | Miniature | Dark-Green | | - | Sport | Light-Purple | July | Green Mountain Hosta | --NR-- |
|
56
| 'Inky Dinky' | Medium | Light-Green | | - | Sport | Light-Purple | July | Trucks, Gary | --NR-- |
|
57
| 'Innocent Desire' | Large | Dark-Green | Marginal | White | Sport | Pale-Lavender | August | Unknown | --NR-- |
|
58
| 'Inocquous' | Medium | Med-Green | Marginal | Yellow | Unknown | Unknown | - | Livingston, Ron | --NR-- |
|
59
| 'Insomniac' | | - | | - | Duplicate | - | | Duplicate Name | --NR-- |
|
60
| 'Insurrection' | Medium | Med-Green | Marginal | White | Unknown | - | - | Dupre, Dirk | --NR-- |
|
61
| 'Intaglio' | Small | Med-Green | Marginal | Yellow | Hybrid | Light-Purple | July | Malloy, Alex | --NR-- |
|
62
| 'Intrigue Green' | Large | Med-Green | | - | Sport | Med-Lavender | July | Wade, Van | --NR-- |
|
63
| 'Intrinsic Twisted Sister' | Large | Med-Green | | | Unknown | Unknown | - | Horvath, Brent | --NR-- |
|
64
| 'Introvert' | Small | Blue/Green | Marginal | White | Sport | Near-White | July | Philips, Hugo | --NR-- |
|
65
| 'Invincible Spirit' | Medium | Yellow | | - | Hybrid | Pale-Lavender | August | Zonneveld, Ben & Philips, Hugo | --NR-- |
|
66
| 'Io' | Small | Yellow | | - | Unknown | Unknown | - | Malloy, Alex | --NR-- |
|
67
| 'Iowa City Lights' | Medium | Med-Green | Streaked | Yellow | Unknown | Unknown | - | Moore, Jeff | --NR-- |
|
68
| 'Iowa Moonshine' | Medium | Yellow | | - | Unknown | Unknown | - | Unknown | --NR-- |
|
69
| 'Irene' | Large | Med-Green | Medial | White | Hybrid | Unknown | - | Unknown | --NR-- |
|
70
| 'Irish Coast' | Small | Unknown | | - | Unknown | Unknown | Unknown | Zumbar, Wm | --NR-- |
|
71
| 'Irish Cream' | Large | Blue/Green | | - | Sport | Med-Lavender | July into August | Thompson, Rick & Thompson, Criss | --NR-- |
|
72
| 'Irish Longlegs' | Medium | Dark-Green | | - | Hybrid | Unknown | - | Barta, Jack | --NR-- |
|
73
| 'Irish Moon' | Medium | Blue/Green | | - | Unknown | Unknown | - | Moore, Jeff | --NR-- |
|
74
| 'Irish Sea' | | - | | - | Duplicate | - | | Duplicate Name | --NR-- |
|
75
| 'Iron Butterfly' | - | Unknown | | - | Unknown | Unknown | - | Janssen, Bill | --NR-- |
|
76
| 'Iron Gate Supreme Green' | Large | Med-Green | | - | Sport | Pale-Lavender | August | Wade, Van | --NR-- |
|
77
| 'Ironside' | - | Unknown | | | Unknown | Unknown | - | Unknown | --NR-- |
|
78
| 'Isis' | Small | Yellow | Streaked | White | Sport | Near-White | August | Malloy, Alex | --NR-- |
|
79
| 'Isla de Tazas' | - | Unknown | | - | Hybrid | Unknown | - | Moore, Jeff | --NR-- |
|
80
| 'Isla la Cucaracha' | - | Unknown | | - | Unknown | Unknown | - | Unknown | --NR-- |
|
81
| 'Isla Siete' | - | Unknown | | - | Hybrid | Unknown | - | Moore, Jeff | --NR-- |
|
82
| 'Isla Verde' | - | Unknown | | - | Hybrid | Unknown | - | Moore, Jeff | --NR-- |
|
83
| 'Island Delight' | - | Med-Green | Marginal | White | Unknown | Unknown | - | Rassmussen, George | --NR-- |
|
84
| 'Island Forest' | Large | Med-Green | | - | Unknown | Med-Lavender | July | Hatfield, Handy | --NR-- |
|
85
| 'Island of Cups' | | - | | - | Duplicate | - | | Duplicate Name | --NR-- |
|
86
| 'Island of Orleans' | | - | | - | Duplicate | - | | Duplicate Name | --NR-- |
|
87
| 'Island Queen' | Small | Med-Green | Medial | White | Unknown | Light-Purple | June into July | Rassmussen, George | --NR-- |
|
88
| 'Island Sea' | - | Unknown | | - | Unknown | Unknown | - | Unknown | --NR-- |
|
89
| 'Island Seven' | | - | | - | Duplicate | - | | Duplicate Name | --NR-- |
|
90
| 'Islip Gold' | Medium | Yellow | | - | Unknown | Unknown | - | Goffery, James | --NR-- |
|
91
| 'Isshiki Fukurin Mizu' | Small | Med-Green | Marginal | Yellow | Sport | Light-Purple | September to October | Unknown | --NR-- |
|
92
| 'Issy' | Small | Light-Green | | - | Unknown | Unknown | Unknown | Woods, Doyle | --NR-- |
|
93
| 'Iszat U Emmerson' | Small | Med-Green | | - | Unknown | Unknown | - | Benedict, Dr Ralph (Herb) | --NR-- |
|
94
| 'It' | Medium | Med-Green | Streaked | Speckles | Sport | Med-Lavender | July into August | Solberg, Robert | --NR-- |
|
95
| 'Ito Maru' | Small | Med-Green | | - | Sport | Light-Purple | September to October | Yamamoto | --NR-- |
|
96
| 'It's a Winner' | Large | Blue/Green | Streaked | Yellow | Unknown | Unknown | Unknown | Ziarek, Ken | --NR-- |
|
97
| 'It's My Party' | Small | Med-Green | Medial | White | Unknown | Unknown | - | Lydell, Ransom | --NR-- |
|
98
| 'It's So Big' | Large | Med-Green | Streaked | Yellow | Unknown | Unknown | - | Elslager, Ed | --NR-- |
|
99
| 'Ivanhoe' | Medium | Med-Green | Marginal | White | Hybrid | Unknown | - | Beilstein, Doug & Malloy, Alex | --NR-- |
|
100
| 'Ivatine Taylor' | - | Blue/Green | | - | Unknown | Unknown | - | Unknown | --NR-- |
|
101
| 'Ivory Frame' | Medium | Med-Green | Marginal | White | Nat-Sport | Pale-Lavender | July into August | Van Eechaute, Danny | --NR-- |
|
102
| 'Ivory Queen Streaked' | Medium | Blue/Green | Streaked | White | Sport | Med-Lavender | August to September | Unknown | --NR-- |
|
103
| 'Ivory Tiara' | - | Unknown | | - | Sport | Unknown | - | Unknown | --NR-- |
|
104
| 'Iwa' | | - | | - | Duplicate | - | | Duplicate Name | --NR-- |
|
105
| 'Iwa G' | | - | | - | Duplicate | - | | Duplicate Name | --NR-- |
|
106
| 'Iwa Urajiro Daifukurin' | Large | Med-Green | Marginal | Yellow | Sport | Unknown | - | Unknown | --NR-- |
|
107
| 'Iwa Yara Moto' | Medium | Dark-Green | | - | Unknown | Unknown | - | Benedict, Dr Ralph (Herb) | --NR-- |
|
108
| 'Iwa Yoto Moto' | | - | | - | Duplicate | - | | Duplicate Name | --NR-- |
|
109
| 'Iwato' | - | Unknown | | - | Unknown | Unknown | Unknown | Watanabe, Kenji | --NR-- |
|
110
| 'Iya Gibōshi' | | - | | - | Duplicate | - | | Duplicate Name | --NR-- |
|
111
| 'Izumi' | Small | Med-Green | | - | Hybrid | Unknown | August to September | Unknown | --NR-- |
|