Cultivar Name Plant Size Leaf Color Variegation Var Color Origin Flower Color Season Source Registered 'Ibukiyama Gibōshi' - - - - Unknown - - Unknown --NR-- 'Ice Cave' Medium Med-Green Streaked White Hybrid - - Moore, Jeff --NR-- 'Iceland' Medium Med-Green Medial White Hybrid - - Smith, Eric --NR-- 'Iliamna Monster' Giant Med-Green - - Unknown - - Unknown --NR-- 'Imperial Palace' Large Dark-Green Medial Yellow Hybrid Pale-Lavender June into July Ward, Dr Dick & Ward, Jane .2009 'Indiana Blue' Medium Blue/Green - - Unknown Pale-Lavender July into August Balitewicz, Bob --NR-- 'Indiana Bob'         Hybrid     Balitewicz, Bob --NR-- 'Indiana Knight' Medium Med-Green Marginal Chartreuse Sport Pale-Lavender July Goodwin, Randy .1990 'Indiana Moonshine' Large Yellow - - Sport Pale-Lavender July Harstad, Carolyn .1996 'Indianapolis Blue' Large Blue/Green - - Hybrid Near-White June into July Wade, Van .2007 'Inniswood' Medium Yellow Marginal Green Sport Pale-Lavender June Innis Metro Gardens .1993 'Iona' Medium Blue/Green Marginal White Sport Pale-Lavender July Lavender & British Hosta and Hemerocallis Society .1988 'Iowa City Lights' Medium Med-Green Streaked Yellow Unknown - - Moore, Jeff --NR-- 'Iowa Moon' Medium Yellow Marginal Light Green Sport Pale-Lavender July into August Simmering, Ron .2000 'Irische See' Medium Blue/Green - - Hybrid Pale-Lavender July Klose, Heinz & Ruh, Peter .1998 'Irish Coast' Small - - - Unknown - - Zumbar, Wm --NR-- 'Irish Hills' Giant Dark-Green - - Sport Pale-Lavender July into August Anderson, Kenneth .1996 'Iron Curtain' Medium Blue/Green - - Hybrid Near-White June into July Asch, Stuart .2000 'Isle Royal' Large Med-Green - - Hybrid Pale-Lavender July Wilkins, Dr Jim .2000 'Islip Gold' Medium Yellow - - Unknown - - Goffery, James --NR-- 'Itasca' Medium Med-Green Streaked Yellow Sport Pale-Lavender July into August Johnson, Arthur H. .1974 'Ivory Coast' Large Dark-Green Marginal White Sport Pale-Lavender July Savory, Dennis .1999
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