No.CultivarPlant SizeLeaf ColorVariegationVar ColorOriginFlower ColorSeasonSourceRegistered
1 'Crowned Imperial'MediumBlue/GreenMarginalWhiteSportPale-LavenderJuly into AugustWalters Gardens.1988
2 'Hirao Imperial'SmallMed-Green--HybridPale-LavenderAugust to OctoberHirao, Shuichi & Ruh, Peter.1998
3 'Imperial Dragon'LargeDark-GreenMedialWhiteSportNear-WhiteJune into JulySchwarz, Jim.2011
4 'Imperial Majesty'LargeMed-Green--HybridPale-LavenderAugustSellers, Van & Ruh, Peter.2003
5 'Imperial Moth'MediumLight-Green--UnknownLight-PurpleJulySeaver, Mildred.2004
6 'Imperial Palace'LargeDark-GreenMedialYellowHybridPale-LavenderJune into JulyWard, Dr Dick & Ward, Jane.2009
7 'Imperial Potentate'LargeMed-GreenStreakedSpecklesSportPale-LavenderJuly into AugustBenedict, Dr Ralph (Herb) & Benedict, Dorothy.1999
8 'Yellow Imperial Banner'LargeYellow--Unknown--Unknown--NR--
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