Cultivar NamePlant SizeLeaf ColorVariegationVar ColorOriginFlower ColorSeasonSourceRegistered
'Ice Cave'MediumMed-GreenStreakedWhiteHybrid  Moore, Jeff--NR--
'Iceland'MediumMed-GreenMedialWhiteHybrid  Smith, Eric--NR--
'Iliamna Monster'GiantMed-Green  Unknown  Unknown--NR--
'Imperial Palace'LargeDark-GreenMedialYellowHybridPale-LavenderJune into JulyWard, Dr Dick & Jane.2009
'Indiana Blue'MediumBlue/Green  UnknownPale-LavenderJuly into AugustBalitewicz, Bob--NR--
'Indiana Knight'MediumMed-GreenMarginalChartreuseNat-SportPale-LavenderJulyGoodwin, Randy.1990
'Indiana Moonshine'LargeYellow  Nat-SportPale-LavenderJulyHarstad, Carolyn.1996
'Indianapolis Blue'LargeBlue/Green  HybridNear-WhiteJune into JulyWade, Van.2007
'Inniswood'MediumYellowMarginalGreenNat-SportPale-LavenderJuneInnis Metro Botanical Garden.1993
'Iona'MediumBlue/GreenMarginalWhiteNat-SportPale-LavenderJulyBHHS.1988
'Iowa City Lights'MediumMed-GreenStreakedYellowUnknown  Moore, Jeff--NR--
'Iowa Moon'MediumYellowMarginalLight GreenNat-SportPale-LavenderJuly into AugustSimmering, Ron.2000
'Irische See'MediumBlue/Green  HybridPale-LavenderJulyKlose, Heinz & Ruh, Peter.1998
'Irish Coast'Small   Unknown  Zumbar, Wm--NR--
'Irish Hills'GiantDark-Green  Nat-SportPale-LavenderJuly into AugustAnderson, Kenneth.1996
'Iron Curtain'MediumBlue/Green  HybridNear-WhiteJune into JulyAsch, Stuart.2000
'Isle Royal'LargeMed-Green  HybridPale-LavenderJulyWilkins, Dr Jim.2000
'Islip Gold'MediumYellow  Unknown  Goffery, James--NR--
'Itasca'MediumMed-GreenStreakedYellowNat-SportPale-LavenderJuly into AugustJohnson, Arthur H..1974
'Ivory Coast'LargeDark-GreenMarginalWhiteNat-SportPale-LavenderJulySavory, Dennis.1999
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