| 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
| 'Ian's Crystal Ball' | Small | Blue/Green | Marginal | Yellow | Hybrid | Pale-Lavender | June into July | Chrystal, Ian & Colley, June & Baker, John | .2020 |
|
3
| 'Iggie' | Medium | Yellow | | - | Unknown | Pale-Lavender | July | Benedict, Dr Ralph (Herb) | --NR-- |
|
4
| 'Ilona' | Large | Blue/Green | Medial | White | Sport | Pale-Lavender | July into August | Heemskerk, Gerardus | .2011 |
|
5
| 'Indiana Bob' | | | | | Hybrid | | | Balitewicz, Bob | --NR-- |
|
6
| 'Indiana Bob's Emerald' | Large | Dark-Green | | | Unknown | | | Balitewicz, Bob & Goodenough, Rick | --NR-- |
|
7
| 'Indiana Bob's Lost Ark' | Large | Med-Green | | | Unknown | | | Balitewicz, Bob & Goodenough, Rick | --NR-- |
|
8
| 'Irene' | Large | Med-Green | Medial | White | Hybrid | - | - | Unknown | --NR-- |
|
9
| 'Issy' | Small | Light-Green | | - | Unknown | - | - | Woods, Doyle | --NR-- |
|
10
| 'Ivanhoe' | Medium | Med-Green | Marginal | White | Hybrid | - | - | Beilstein, Doug & Malloy, Alex | --NR-- |
|