Cultivar NamePlant SizeLeaf ColorVariegationVar ColorOriginFlower ColorSeasonSourceRegistered
'Iceberg'LargeMed-GreenMarginalWhiteHybridPale-LavenderJuly into AugustAvent, Tony.2000
'Icy Halo'LargeMed-GreenMarginalWhiteNat-SportPale-LavenderJulyTomashek, Cindy.2014
'Inland Sea'MediumDark-Green -HybridLight-PurpleAugustSugita, Hajime & Zilis, Mark.1998
'Irische See'MediumBlue/Green -HybridPale-LavenderJulyKlose, Heinz & Ruh, Peter.1998
'Irish Coast'Small- -Unknown--Zumbar, Wm--NR--
'Irish Sea'-- -Duplicate--Duplicate Name--NR--
'Island Charm'SmallMed-GreenMedialWhiteHybridLight-PurpleJulyRassmussen, George & Malloy, Alex.1997
'Island Forest Gem'LargeDark-Green -UnknownPale-LavenderJulyCarpenter, Kate & Walek, Kevin.2009
'Island Sea'-- -Unknown--Unknown--NR--
'Isle Royal'LargeMed-Green -HybridPale-LavenderJulyWilkins, Dr Jim.2000
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