Cultivar NameLeaf ColorVariegationVar ColorOriginFlower ColorSeasonSourceRegistered
'Icicle'Dark-GreenMedialWhiteNat-SportNear-WhiteJune into JulyFischer, Dr Ullrich--NR--
'Ilona'Blue/GreenMedialWhiteNat-SportPale-LavenderJuly into AugustHeemskerk, Gerardus.2011
'Indian Princess'Blue/Green  HybridNear-WhiteJuneHarshbarger, Gretchen & Ruh, Peter.1998
'Innovation'Dark-Green  HybridPure-White Nesmith, Elizabeth & Ruh, Peter.1996
'Irische See'Blue/Green  HybridPale-LavenderJulyKlose, Heinz & Ruh, Peter.1998
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