| 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 Cube' | Miniature | Med-Green | Marginal | White | Sport | Light-Purple | July | Fransen, Marco | --NR-- |
|
3
| 'Icy Halo' | Large | Med-Green | Marginal | White | Sport | Pale-Lavender | July | Tomashek, Cindy | .2014 |
|
4
| 'Imperial Majesty' | Large | Med-Green | - | - | Hybrid | Pale-Lavender | August | Sellers, Van & Ruh, Peter | .2003 |
|
5
| 'Incredible' | Giant | Blue/Green | Marginal | Chartreuse | Unknown | Near-White | June into July | Benedict, Dr Ralph (Herb) | --NR-- |
|
6
| 'Incredible Hunk' | Giant | Blue/Green | - | - | Unknown | Pale-Lavender | July | Elslager, Ed | .1998 |
|
7
| 'Indy Fan Favorite' | Small | Light-Green | - | - | Unknown | Light-Purple | August | Goodwin, Randy | .2014 |
|
8
| 'Irish Pearl' | Small | Med-Green | - | - | Unknown | Pale-Lavender | August to September | Goodwin, Randy | .2017 |
|
9
| 'Island Breeze' | Medium | Med-Green | Medial | Yellow | TC Sport | Med-Lavender | July into August | Diaz, Ariel & Hansen, Hans & Walters Gardens | .2014 |
|
10
| 'Ito Maru' | Small | Med-Green | - | - | Sport | Light-Purple | September to October | Yamamoto | --NR-- |
|
11
| 'It's a Jungle Out There' | Small | Light-Green | Streaked | Speckles | Hybrid | Med-Lavender | August | Freeman, Franc | .2011 |
|