Cultivar NamePlant SizeLeaf ColorVariegationVar ColorOriginFlower ColorSeasonSourceRegistered
'Cambria Blue'MediumBlue/Green--Unknown--Benedict, Dr Ralph (Herb)--NR--
'Canadian Blue'LargeBlue/Green--UnknownPale-LavenderJuly into AugustVan Vliet, Arie & Walek, Kevin.2009
'Carder Blue'MediumBlue/Green--UnknownNear-WhiteJune into JulyCarder, Ellen & AHS.1986
'Carolina Blue'MediumBlue/Green--HybridLight-PurpleAugustSolberg, Robert.2000
'Chinchilla Blue'----Unknown--Unknown--NR--
'Clear Fork Blue'GiantBlue/Green--UnknownPale-LavenderJune into JulyWade, Van--NR--
'Colesburg Blue'MediumBlue/Green--HybridPale-LavenderJuneHackbarth, Robert.2004
'Cool Blue'MediumBlue/Green--UnknownMed-LavenderJune into JulyBenedict, Dr R. (Herb) & Kuenster, Rod--NR--
'Copenhagen Blue'----Hybrid--Housworth--NR--
'Cosmic Blue'MediumBlue/Green--HybridMed-Lavender-Livingston, Ron--NR--
'Crazy Mouse Ears'SmallBlue/GreenMedialWhiteNat-SportLight-PurpleJulySchwarz, Jim--NR--
'Crispy Blue'----Unknown--Jentsch, Klaus--NR--
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