Cultivar NamePlant SizeOriginFlower ColorSeasonSourceRegistered
'Ka-ching'GiantUnknownPale-LavenderJune into JulyZolock, Steve & Zolock, Sarah.2011
'Kamona'LargeUnknown--Seaver, Mildred--NR--
'Karenka'MediumHybridPure-White-Sugita, Hajime--NR--
'Kaskaskia'LargeUnknown--Wade, Van--NR--
'Katherine S. Mahoney'MediumUnknownPale-LavenderSeptember to OctoberChamberlain, Steve.2006
'Kathleen'MediumHybridMed-LavenderAugustWilliams, Frances.1986
'Katrina Jo'LargeHybridDeep-PurpleAugustNyikos, Frank.1998
'Katsuragawa Beni'MediumUnknownLight-PurpleAugust to OctoberMasoka, Hiroshi--NR--
'Keep it Dark'MediumHybrid--Gilligan, Madelon--NR--
'Kelsey'MediumHybridPale-LavenderAugust to OctoberWilliams, Frances & Ruh, Peter.1996
'Kempen Golf Sticks'LargeUnknown--Butaye, Patrick--NR--
'Kempen Lutino Bird'MediumUnknown--Butaye, Patrick--NR--
'Kempen Rhubarb Taste'LargeUnknown--Butaye, Patrick--NR--
'Kempen Waving Shadow'MediumHybrid--Butaye, Patrick--NR--
'Keuka Kiss'LargeHybridPale-LavenderJuly into AugustBrandt-Sorheim, Peter & McElwee, Molly.2002
'Kevin Kelley'LargeHybridPale-LavenderJulyGoodwin, Randy.1996
'Key Lime'MediumUnknownPale-LavenderJuly into AugustBanyai, Pauline & Banyai, Bruce.1990
'Key West Sunset'SmallUnknown-July into AugustWard, Dr Dick & Ward, Jane.2013
'Khaki Krush'GiantHybridPale-LavenderJuly into AugustHeims, Dan--NR--
'Kickapoo'MediumUnknown--Wade, Van--NR--
'Kifu Hime'LargeSportNear-WhiteAugust to SeptemberLongwood Gardens--NR--
'Kii Hime'SmallUnknownLight-PurpleJulyUnknown--NR--
'Kikeika'SmallSportLight-PurpleSeptember to OctoberUnknown--NR--
'Kikeika Mizu'SmallSportLight-PurpleSeptember to OctoberUnknown--NR--
'Kilauea'MediumHybridMed-LavenderJulyElslager, Ed.2001
'Kill Me Softly'SmallUnknown--Scheer, Alttara--NR--
'Kilowatt'MediumHybridLight-PurpleJulyArmstrong, Maxine.1970
'Kinba'LargeHybridLight-Purple-Watanabe, Kenji--NR--
'King Cobra'MediumHybridPale-LavenderJune into JulyScheer, Alttara & Gilligan, Madelon.2015
'King Crimson'MediumUnknown--Unknown--NR--
'King Edward'MediumUnknown--Crockett, Clyde--NR--
'King James'LargeHybridNear-WhiteJune into JulyKrossa, Gus & Ruh, Peter.1992
'King Lizard'LargeHybridLight-PurpleJulyRogers, Floyd.2003
'King Michael'GiantHybridNear-WhiteJuneKrossa, Gus & Summers, Alex & Ruh, Peter.1992
'King of Spades'MediumHybridMed-LavenderAugust to OctoberBeilstein, Doug & Beilstein, Mardy.2007
'King Tucker'GiantHybrid-August to SeptemberKwick, Charles.2016
'King's Attendant'LargeUnknown--King, Herb--NR--
'King's Baroness'LargeUnknown--King, Herb--NR--
'King's Beacon of Light'GiantUnknown--King, Herb--NR--
'King's Black Knight'LargeHybridPale-LavenderJuly into AugustKing, Herb & King, Gladys.2006
'King's Brilliance'SmallUnknown--King, Herb--NR--
'King's Countess of Salisbury'LargeUnknown--King, Herb--NR--
'King's Damsel in Green'LargeUnknown--King, Herb--NR--
'King's Defiance'MediumUnknown--King, Herb--NR--
'King's Dover Castle'SmallUnknown--King, Herb--NR--
'King's Dragonslayer'SmallUnknown--King, Herb--NR--
'King's Emerald Charm'LargeUnknown--King, Herb--NR--
'King's Emerald Isle'MediumUnknown--King, Herb--NR--
'King's Fair Lass'LargeUnknown--King, Herb--NR--
'King's Fairest of the Fair'SmallUnknown--King, Herb--NR--
'King's Gauntlet'SmallUnknown--King, Herb--NR--
'King's Gold Dust'LargeUnknown--King, Herb--NR--
'King's Golden Knight'MediumUnknown--King, Herb--NR--
'King's Green Charmer'MediumUnknown--King, Herb--NR--
'King's Infatuation'MediumUnknown--King, Herb--NR--
'King's Integrity'MediumUnknown--King, Herb--NR--
'King's Keepsake'MediumUnknown--King, Herb--NR--
'King's Lady Elizabeth'MediumUnknown--King, Herb--NR--
'King's Lady Fay'MediumUnknown--King, Herb--NR--
'King's Lady in Waiting'MediumUnknown--King, Herb--NR--
'King's Lancer'LargeUnknown--King, Herb--NR--
'King's Leeds Castle'MediumUnknown--King, Herb--NR--
'King's Libertine'LargeUnknown--King, Herb--NR--
'King's Paladin'MediumUnknown--King, Herb--NR--
'King's Penance'MediumUnknown--King, Herb--NR--
'King's Ransom'MediumHybridNear-WhiteJuly into AugustDean, Don.2006
'King's Ruffian'MediumUnknown--King, Herb--NR--
'King's Sir Michael'MediumUnknown--King, Herb--NR--
'King's Small Sum'SmallUnknown--King, Herb--NR--
'King's Steward'SmallUnknown--King, Herb--NR--
'King's Vision'LargeUnknown--King, Herb--NR--
'King's Warwick Castle'SmallUnknown--King, Herb--NR--
'King's Woodland Dragon'LargeUnknown--King, Herb--NR--
'Kingsize'GiantSportPale-LavenderJuneVan Eechaute, Danny.2013
'Kinnickinnic'-Hybrid--Moore, Jeff--NR--
'Kinu Akari'MediumSportLight-PurpleAugust to SeptemberUnknown--NR--
'Kinusouri'MediumHybrid--Unknown--NR--
'Kirishima'SmallUnknownPale-Lavender-Hirao, Shuichi--NR--
'Kishiro-chirishimafu'MediumSportLight-PurpleJune into JulyUnknown--NR--
'Kishiro-nakafu Hyūga'MediumSportNear-WhiteAugust to SeptemberUnknown--NR--
'Kishiro-nakafu Unazuki'MediumSportMed-LavenderAugust to SeptemberUnknown--NR--
'Kishiro-shimafu Unazuki'MediumSportMed-LavenderAugust to SeptemberUnknown--NR--
'Kiss and Surrender'MediumHybridPale-LavenderAugust to SeptemberKwick, Charles.2018
'Kiss Me Kwick and Don't Slobber'LargeHybridNear-WhiteJune into JulyKwick, Charles.2017
'Kit Kat'LargeSportNear-WhiteJune into JulySmetana, Don.1994
'Kitty Cat'SmallSportLight-PurpleJulyWade, Van--NR--
'Kiwi Black Magic'LargeHybridLight-PurpleJuly into AugustSligh, Barry.1999
'Kiwi Crinkles'MediumHybridLight-PurpleAugustSligh, Barry--NR--
'Kiwi Emerald'MediumHybridPale-LavenderJuly into AugustSligh, Barry.1999
'Kiwi Emerald Isle'MediumHybridMed-Lavender-Collier, Gordon--NR--
'Kiwi Forest'LargeSportNear-WhiteJune into JulySligh, Barry.1999
'Kiwi Green Gourd'LargeSportNear-WhiteJulySligh, Barry--NR--
'Kiwi Hippo'LargeHybridLight-PurpleJuly into AugustSligh, Barry.1999
'Kiwi Parasol'LargeSportNear-WhiteJuneSligh, Barry.1999
'Kleiner Schelm'MiniatureUnknownMed-Lavender-Kohlein, Fritz--NR--
'Klingon'MediumSportPale-LavenderJune into JulyZilis, Mark & Schwarz, Jim--NR--
'Knickerbocker'-Hybrid--Malloy, Alex--NR--
'Knit Pickin'MediumHybridMed-LavenderJulyZolock, Steve & Zolock, Sarah.2010
'Ko Iwa'MiniatureHybrid--Watanabe, Kenji--NR--
'Ko Mame'MiniatureUnknownMed-LavenderSeptemberUnknown & Ruh, Peter.2002 .2018
'Ko Seto'MediumUnknownMed-LavenderAugustWatanabe, Kenji.2002
'Kofuki Iwa Giboshi'MediumUnknownLight-PurpleSeptemberMaekawa, Dr Fumio--NR--
'Kokuryu'MediumUnknownNear-WhiteOctoberNakayama, Toyozo & Kurasawa, Tsuneo & Ruh, Peter.2000
'Komame'MiniatureSportMed-LavenderAugustUnknown--NR--
'Komodo Dragon'LargeHybridPale-LavenderJuneSeaver, Mildred.2004
'Kong'LargeHybridNear-WhiteJune into JulySoules, Clarence.1990
'Korean'SmallSportLight-PurpleJulyUnknown--NR--
'Kosugidani'MediumUnknownPale-LavenderAugustUnknown--NR--
'Kozu Nishiki'MediumSportMed-LavenderSeptemberUnknown--NR--
'Kryptonite'MediumSportPale-LavenderJuly into AugustTramposch, Kurt & Walek, Kevin.2009
'Kunpu'MediumUnknown--Unknown--NR--
'Kurumazaki'LargeHybridPale-LavenderJulyWatanabe, Kenji--NR--
'Kwick's Salad Bowl'LargeHybridNear-WhiteJune into JulyKwick, Charles.2017
'Kyoto'MediumHybridMed-LavenderAugust to OctoberSugita, Hajime & Ruh, Peter.2001
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