Cultivar NamePlant SizeLeaf ColorVariegationVar ColorOriginFlower ColorSeasonSourceRegistered
'Cascades'MediumBlue/GreenMedialWhiteHybridPure-WhiteJulyLachman, Wm & Eleanor.1993
'Cascades Streaked'MediumMed-GreenStreakedSpecklesNat-SportPure-WhiteJulyLachman, Wm & Eleanor--NR--
'Cascading Waters'LargeMed-GreenMarginalWhiteHybridPale-LavenderAugustDean, Don.2005
'Cedar River'LargeDark-Green -Unknown--Malloy, Alex--NR--
'Chesapeake Bay'LargeBlue/Green -HybridNear-WhiteJulyPetryszyn, Olga.2004
'Clattering Water'MediumBlue/Green -Nat-SportMed-Lavender-Fransen, Marco & Joyce--NR--
'Colorado River'SmallDark-Green -HybridPale-LavenderAugustBeilstein, Doug & Malloy, Alex.2005
'Connecticut River'MediumBlue/Green -HybridPale-Lavender-Beilstein, Doug & Malloy, Alex.2005
'Cosmic River'MediumMed-GreenStreakedYellowHybridMed-LavenderJuly into AugustKuenster, Rod.2011
'Cosmic Watercolors'MediumMed-GreenStreakedYellowHybridNear-WhiteJuly into AugustKuenster, Rod.2011
'Crater Lake'LargeBlue/Green -HybridNear-WhiteJune into JulySnyder, Ron.1996
'Crested Reef'LargeMed-Green -HybridPale-LavenderJulyMinks, Eldren.1975
'Crested Surf'MediumMed-GreenMarginalCreamy WhiteHybridLight-PurpleAugustBenedict, Dr Ralph (Herb).1990
'Crossing the Rubicon'MediumYellow -TC Sport-June into JulyZilis, Mark.2009
'Crossroads Whirlpool'MediumBlue/GreenStreakedWhiteHybridPale-LavenderJuly into AugustEngland, Tim.2003
'Crystal Fountain'LargeYellow -Nat-SportLight-PurpleJulyBanyai, Bruce.1999
'Cuyahoga'MediumMed-GreenMarginalYellowHybrid-July into AugustZilis, Mark.2009
'Cuyahoga Falls'MediumDark-Green -Nat-Sport-July into AugustZilis, Mark.2010
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