| No. | Cultivar Name | Plant Size | Leaf Color | Variegation | Var Color | Origin | Flower Color | Season | Source | Registered |
|
1
| 'I Dream of Jeanne' | Large | Yellow | - | - | Hybrid | Pure-White | June into July | Barbee, T.R. (Dick) | .2017 |
|
2
| 'Ice Age' | Medium | Dark-Green | Medial | White | Unknown | Near-White | August to September | Schmid, Tom | .2002 |
|
3
| 'Ice Crystals' | Medium | Yellow | Marginal | White | Unknown | Pale-Lavender | July | Klotz, Ruby & Klotz, B. | .2020 |
|
4
| 'Ice King' | Small | Dark-Green | Medial | White | Sport | Near-White | July | Kwick, Charles | .2019 |
|
5
| 'Icy Halo' | Large | Med-Green | Marginal | White | Sport | Pale-Lavender | July | Tomashek, Cindy | .2014 |
|
6
| 'Icy Waters' | Large | Blue/Green | Streaked | Yellow | Unknown | | | Unknown | --NR-- |
|
7
| 'Imperial Dragon' | Large | Dark-Green | Medial | White | Sport | Near-White | June into July | Schwarz, Jim | .2011 |
|
8
| 'Innisglow' | Medium | Yellow | - | - | TC Sport | Pale-Lavender | June into July | Zilis, Mark & Walek, Kevin | .2009 |
|
9
| 'Innisjade' | Medium | Dark-Green | - | - | TC Sport | Pale-Lavender | June into July | Zilis, Mark & Walek, Kevin | .2009 |
|
10
| 'Invocation' | Large | Light-Green | Marginal | White | Hybrid | Near-White | July into August | Lysne, Rod | .2021 |
|
11
| 'Island Breeze' | Medium | Med-Green | Medial | Yellow | TC Sport | Med-Lavender | July into August | Diaz, Ariel & Hansen, Hans & Walters Gardens | .2014 |
|
12
| 'Island Fling' | Medium | Blue/Green | Marginal | Yellow | Sport | - | July into August | Blake, Amanda | .2016 |
|
13
| 'Island Flourish' | Medium | Light-Green | - | - | Hybrid | - | June into July | Blake, Amanda | .2016 |
|
14
| 'Island Forest Gem' | Large | Dark-Green | - | - | Unknown | Pale-Lavender | July | Carpenter, Kate & Walek, Kevin | .2009 |
|
15
| 'Island Heartbreaker' | Large | Blue/Green | - | - | Unknown | - | July into August | Blake, Amanda | .2016 |
|
16
| 'It's a Winner' | Large | Blue/Green | Streaked | Yellow | Unknown | | | Ziarek, Ken | --NR-- |
|
17
| 'Ivory Frame' | Medium | Med-Green | Marginal | White | Nat-Sport | Pale-Lavender | July into August | Van Eechaute, Danny | --NR-- |
|
18
| 'Ivory Queen' | Medium | Blue/Green | Medial | White | Sport | Med-Lavender | August to September | Walters Gardens | .2014 |
|
19
| 'Ivory Tower' | Giant | Yellow | - | - | Hybrid | Near-White | June into July | Ward, Dr Dick & Ward, Jane | .1996 |
|