Cultivar NamePlant SizeLeaf ColorVariegationVar ColorOriginFlower ColorSeasonSourceRegistered
'Yellow River'MediumMed-GreenMarginalYellowUnknownNear-WhiteJulySmith, Eric & Ruh, Peter.1993
'Yellow Waves'SmallYellow--HybridLight-PurpleAugustAden, Paul.1978
'Yukon River'MediumBlue/Green--Unknown--Malloy, Alex--NR--
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