Cultivar NamePlant SizeLeaf ColorVariegationVar ColorOriginFlower ColorSeasonSourceRegistered
'Yellow River'MediumMed-GreenMarginalYellowUnknownNear-WhiteJulySmith, Eric & Ruh, Peter.1993
'Yosemite Valley'GiantYellow--Hybrid--Petryszyn, Olga.2010
'Yukon Gold'MediumYellow--HybridPale-LavenderJuly into AugustWard, Dr Dick & Ward, Jane.2015
'Yukon River'MediumBlue/Green--Unknown--Malloy, Alex--NR--
'Yuma' (Livingston)MediumLight-Green -UnknownLight-Purple-Livingston, Ron--NR--
'Yuma' (Wade)LargeBlue/Green--HybridPure-WhiteJune into JulyWade, Van.2007
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