Cultivar NamePlant SizeOriginFlower ColorSeasonSourceRegistered
'Cabin Fever'LargeHybrid--Christensen, John--NR--
'Caid Man'LargeHybridNear-WhiteJulyHeinz, Jim--NR--
'Cally Atom'MiniatureUnknownPale-LavenderJulyWickenden, Michael--NR--
'Cambria Blue'MediumUnknown--Benedict, Dr Ralph (Herb)--NR--
'Camelot'MediumUnknownPale-LavenderJulySmith, Eric & British Hosta and Hemerocallis Society.1988
'Canadian Blue'LargeUnknownPale-LavenderJuly into AugustVan Vliet, Arie & Walek, Kevin.2009
'Candelabra'SmallUnknownLight-PurpleJuly into AugustBenedict, Dr Ralph (Herb) & Walek, Kevin.2009
'Candy Hearts'MediumHybridPale-LavenderJulyFisher, Eunice V. & Ruh, Peter.1998
'Capricorn'LargeHybrid-June into JulyHusemann, Jim.2009
'Captain's Canopy'LargeUnknown--Seaver, Charles--NR--
'Carder Blue'MediumUnknownNear-WhiteJune into JulyCarder, Ellen & The American Hosta Society.1986
'Cardiac'LargeUnknown--Asch, Stuart--NR--
'Carl'SmallUnknownPale-LavenderJune into JulyCalderara, Carl & Ruh, Peter.1991
'Carolina Blue'MediumHybridLight-PurpleAugustSolberg, Robert.2000
'Catherine Ann'MediumHybridPale-LavenderJuneNyikos, Frank.1999
'Centennial'GiantUnknown--Ward, Dr Dick & Ward, Jane.1996
'Century One'LargeHybridNear-WhiteJune into JulyMoldovan, Steve.1983
'Cerulean Lagoon'LargeUnknown--Serafin, Viktoria--NR--
'Cerulean Magic'MediumHybrid-June into JulyZilis, Mark.2009
'Chances Are'GiantUnknownNear-WhiteJune into JulyTompkins, Chet & Walek, Kevin.2010
'Change of Venue'LargeSportNear-WhiteJune into JulyLysne, Rod.2019
'Charlebois'LargeHybridPale-Lavender-Bastille, Jocelyne--NR--
'Charlie Jane'GiantHybridNear-WhiteJune into JulyKwick, Charles.2018
'Chart Topper'MediumSportPale-LavenderJuly into AugustZilis, Mark--NR--
'Chesapeake Bay'LargeHybridNear-WhiteJulyPetryszyn, Olga.2004
'Chickasaw'LargeUnknown--Wade, Van--NR--
'Chief Crazy Horse'GiantUnknown--Wade, Van--NR--
'Chief Killbuck'GiantUnknown--Wade, Van--NR--
'Chief Little Turtle'GiantUnknown--Wade, Van--NR--
'Chief Sitting Bull'GiantUnknown--Wade, Van--NR--
'Chief Thundercloud'GiantHybrid--Wade, Van--NR--
'Chief White Cloud'GiantHybridPale-LavenderAugustWade, Van.2007
'Chiemsee Blaue Taube'MediumSportMed-Lavender-Eschenbach, Volker--NR--
'Chiemsee Madonna'SmallSportMed-LavenderJune into JulyEschenbach, Volker--NR--
'Chiemsee Schätzchen'MediumSportPale-LavenderJuly into AugustEschenbach, Volker--NR--
'Childhood Fantasy'MediumHybrid--Livingston, Ron--NR--
'Chippewa' (Wade)GiantHybridPale-LavenderJuly into AugustWade, Van--NR--
'Chivalry'MediumHybridMed-LavenderJuly into AugustMalloy, Alex.2001
'Choctaw'GiantHybridNear-WhiteJune into JulyWade, Van.2007
'Chodai Ginyo'LargeSportMed-LavenderJuly into AugustUnknown--NR--
'Chopstick Bridge'LargeHybrid--Stadden, Josh--NR--
'Christopher Wayne'LargeUnknown--Aden, Paul--NR--
'Civil War'LargeUnknownNear-WhiteJulyFreeman, Franc & Freeman, Sally.2008
'Clambake'LargeHybridPale-LavenderJuly into AugustGoodwin, Randy.2000
'Clap Your Hands'LargeHybridPure-WhiteJune into JulyDalton, Jim & Dalton, Meg.2012
'Clarence'MediumHybridNear-WhiteJune into JulySimpers, Lucille.1996
'Classic Delight'GiantHybridPale-LavenderJulyFisher, Eunice V..1973
'Clattering Water'MediumSportMed-Lavender-Fransen, Marco & Fransen, Joyce--NR--
'Clayton Burkey'LargeUnknownNear-WhiteJulyBurkey, Clayton & Zolock, Steve & Zolock, Sarah.2005
'Clear Fork Blue'GiantUnknownPale-LavenderJune into JulyWade, Van--NR--
'Clem Kadiddlehopper'LargeUnknownPale-Lavender-Sawyer, Rick--NR--
'Cloudburst'MediumHybridLight-PurpleJulyBeilstein, Doug & Zilis, Mark.2006
'Clouded Skies'MediumHybridMed-LavenderJuly into AugustAvent, Tony.2007
'Cobblestones'GiantUnknownNear-WhiteJune into JulyWard, Dr Dick & Ward, Jane.2012
'Cobra's Lair'MediumHybrid--Philips, Hugo.2010
'Colesburg Blue'MediumHybridPale-LavenderJuneHackbarth, Robert.2004
'Collector's Dream'LargeSportNear-WhiteJune into JulyJanssen, Bill--NR--
'College'LargeUnknown--Fransen, Marco--NR--
'Colonel Murphy'GiantUnknownMed-LavenderJuly into SeptemberZolock, Steve & Zolock, Sarah.2001
'Colossal'GiantUnknownPale-LavenderJuneSavory, Robert.1977
'Comanche'LargeSportNear-WhiteJune into JulyWade, Van--NR--
'Connecticut River'MediumHybridPale-Lavender-Beilstein, Doug & Malloy, Alex.2005
'Conquistador'LargeHybridLight-PurpleJuly into AugustLivingston, Ron--NR--
'Contort'LargeUnknown--Livingston, Ron--NR--
'Contorted Dragon'LargeHybrid--Livingston, Ron--NR--
'Conundrum'GiantUnknownMed-LavenderJune into JulyGilligan, Madelon.2012
'Cool Blue'MediumUnknownMed-LavenderJune into JulyBenedict, Dr Ralph (Herb) & Benedict, Dorothy & Kuenster, Rod--NR--
'Cool Dreams'MediumHybridPale-LavenderJune into JulyZilis, Mark.2010
'Cool Waters'MediumHybridLight-PurpleJune into JulyZilis, Mark.2010
'Cooltini'SmallHybridLight-PurpleAugust to SeptemberZilis, Mark.2009
'Cornerstone'GiantHybridNear-WhiteJulyHanna, Clarence.2013
'Corryvreckan'MediumUnknown--Black, Gwen--NR--
'Cortland'LargeUnknown--Unknown--NR--
'Cosmic Blue'MediumHybridMed-Lavender-Livingston, Ron--NR--
'Cosmic Moon'LargeHybridNear-WhiteJuly into AugustKuenster, Rod.2015
'Country Dreaming'LargeHybridPale-LavenderJulyDean, Don.2013
'Country Rippled Relic'MediumHybridMed-LavenderJuly into AugustDean, Don.2019
'Coventry'MediumUnknown--Minks, Eldren--NR--
'Crater Lake'LargeHybridNear-WhiteJune into JulySnyder, Ron.1996
'Crazy Mouse'SmallHybrid--Avent, Tony--NR--
'Cree'GiantHybridNear-WhiteJune into JulyWade, Van.2007
'Creek'MediumHybridPure-WhiteJuneWade, Van.2007
'Crescendo'LargeHybridNear-WhiteJune into JulyKamp, Gayle.2001
'Crinkled Joy'LargeUnknownNear-WhiteJulyUnknown--NR--
'Crinkled Leather'LargeHybridPale-LavenderJuly into AugustDean, Don.2014
'Crinoline Petticoats'GiantHybridNear-WhiteJune into JulySoules, Clarence.1990
'Crossroads Budgie'SmallHybridMed-LavenderJulyEngland, Tim.2003
'Cubra Libra'LargeUnknown--Livingston, Ron--NR--
'Cup of Glory'GiantUnknown--Bastille, Jocelyne--NR--
'Curlew'LargeUnknownPale-LavenderAugust to OctoberSmith, Eric & British Hosta and Hemerocallis Society.1988
'Curtain Call'MediumSportLight-PurpleJuly into AugustWilkins, Dr Jim.1998
'Curtis Sutton'LargeHybridPale-LavenderJune into JulyPowell, Loleta--NR--
'Cutie'MediumUnknownMed-LavenderAugust to OctoberBenedict, Dr Ralph (Herb) & Kuenster, Rod.2010
'Cutting Edge'LargeHybridPale-LavenderJuly into AugustBenedict, Dr Ralph (Herb) & Gowen, Hideko.1999
'Cyclops' (Soucek)GiantUnknownNear-WhiteJuly into AugustSoucek, Rachel--NR--
'Cyclops' (Tompkins)LargeUnknown--Tompkins, Chet--NR--
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