| Cultivar Name | Plant Size | Leaf Color | Variegation | Var Color | Origin | Flower Color | Season | Source | Registered |
| 'Innisglow' | Medium | Yellow | | - | TC Sport | Pale-Lavender | June into July | Zilis, Mark & Walek, Kevin & The American Hosta Society | .2009 |
| 'Innisjade' | Medium | Dark-Green | | - | TC Sport | Pale-Lavender | June into July | Zilis, Mark & Walek, Kevin & The American Hosta Society | .2009 |
| 'Irish Breeze' | Medium | Med-Green | Medial | Yellow | Sport | Pale-Lavender | June | Scolnik, Patricia & Walek, Kevin & The American Hosta Society | .2009 |
| 'Iron Gate Special' | Medium | Med-Green | Marginal | Yellow | Sport | Pale-Lavender | August | Sellers, Van & Santa Lucia, Vic & Walek, Kevin & The American Hosta Society | .2009 |
| 'Island Forest Gem' | Large | Dark-Green | | - | Unknown | Pale-Lavender | July | Carpenter, Kate & Walek, Kevin & The American Hosta Society | .2009 |
| 'Iszat U Doc' | Medium | Med-Green | | - | Hybrid | Light-Purple | July into August | Benedict, Dr Ralph (Herb) & Walek, Kevin & The American Hosta Society | .2009 |
| 'Iwa Shimizu' | Small | Med-Green | Streaked | White | Sport | Unknown | September | Shimizu, Toshirou & Walek, Kevin & The American Hosta Society | .2009 |
| 'Iwa Soules' | Large | Med-Green | | - | Sport | Light-Purple | August to September | Soules, Marjorie & Walek, Kevin & The American Hosta Society | .2009 |
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