No.Cultivar NameLeaf ColorVariegationVar ColorOriginFlower ColorSeasonSourceRegistered
1 'Ian's Crystal Ball'Blue/GreenMarginalYellowHybridPale-LavenderJune into JulyChrystal, Ian & Colley, June & Baker, John.2020
2 'Ice King'Dark-GreenMedialWhiteSportNear-WhiteJulyKwick, Charles.2019
3 'Icicle'Dark-GreenMedialWhiteSportNear-WhiteJune into JulyFischer, Dr Ullrich--NR--
4 'Ilona'Blue/GreenMedialWhiteSportPale-LavenderJuly into AugustHeemskerk, Gerardus.2011
5 'Indian Princess'Blue/Green--HybridNear-WhiteJuneHarshbarger, Gretchen & Ruh, Peter.1998
6 'Innovation'Dark-Green--HybridPure-White-Nesmith, Elizabeth & Ruh, Peter.1996
7 'Irische See'Blue/Green--HybridPale-LavenderJulyKlose, Heinz & Ruh, Peter.1998

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