CultivarPlant SizeLeaf ColorVariegationVar ColorOriginFlower ColorSeasonSourceRegistered
'Abiqua Big Sky'GiantBlue/Green--Unknown-June into JulyPurtymun, Charles & Ruh, Peter.2008
'Blue Mammoth'GiantBlue/Green--HybridNear-WhiteJune into JulyAden, Paul & Ruh, Peter & Jean.2010
'Eleanor J Reath'GiantBlue/Green--HybridNear-WhiteJune into JulyReath, David.1986
'Gray Cole'GiantBlue/Green--HybridNear-WhiteJuneGray and Cole Nursery & Kuk, Bob.1985
'Lakeport Blue'LargeBlue/Green--UnknownNear-WhiteJuneTompkins, Chet.1984
'Powder Blue'GiantBlue/Green--UnknownPale-LavenderJuneSugita, Hajime & Ruh, Peter.1998
'Ryan's Big One'GiantBlue/Green--HybridNear-WhiteJune into JulyEnglerth, Lawrence & Ryan.1982
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