Cultivar Name | Plant Size | Leaf Color | Variegation | Var Color | Origin | Flower Color | Season | Source | Registered |
'Kelly' | Large | Blue/Green | | - | Sport | Near-White | June into July | Scolnik, Patricia & Walek, Kevin & The American Hosta Society | .2009 |
'Kenny Love Blue' | Large | Blue/Green | | - | Unknown | Unknown | June into July | Wade, Van & Walek, Kevin & The American Hosta Society | .2009 |
'Kinba' | Large | Med-Green | | - | Hybrid | Light-Purple | August to September | Watanabe, Kenji & Walek, Kevin & The American Hosta Society | .2009 |
'Kiwi Cream Edge' | Medium | Yellow | Marginal | White | Unknown | Unknown | July into August | Jury, Felix & Walek, Kevin & The American Hosta Society | .2009 |
'Kryptonite' | Medium | Dark-Green | | - | Sport | Pale-Lavender | July into August | Tramposch, Kurt & Walek, Kevin & The American Hosta Society | .2009 |
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