Cultivar Name | Plant Size | Origin | Flower Color | Season | Source | Registered |
'Ka-ching' | Giant | Unknown | Pale-Lavender | June into July | Zolock, Steve & Zolock, Sarah | .2011 |
'Kamona' | Large | Unknown | - | - | Seaver, Mildred | --NR-- |
'Karenka' | Medium | Hybrid | Pure-White | - | Sugita, Hajime | --NR-- |
'Kaskaskia' | Large | Unknown | - | - | Wade, Van | --NR-- |
'Katherine S. Mahoney' | Medium | Unknown | Pale-Lavender | September to October | Chamberlain, Steve | .2006 |
'Kathleen' | Medium | Hybrid | Med-Lavender | August | Williams, Frances | .1986 |
'Katrina Jo' | Large | Hybrid | Deep-Purple | August | Nyikos, Frank | .1998 |
'Katsuragawa Beni' | Medium | Unknown | Light-Purple | August to October | Masoka, Hiroshi | --NR-- |
'Keep it Dark' | Medium | Hybrid | - | - | Gilligan, Madelon | --NR-- |
'Kelsey' | Medium | Hybrid | Pale-Lavender | August to October | Williams, Frances & Ruh, Peter | .1996 |
'Kempen Golf Sticks' | Large | Unknown | - | - | Butaye, Patrick | --NR-- |
'Kempen Lutino Bird' | Medium | Unknown | - | - | Butaye, Patrick | --NR-- |
'Kempen Rhubarb Taste' | Large | Unknown | - | - | Butaye, Patrick | --NR-- |
'Kempen Waving Shadow' | Medium | Hybrid | - | - | Butaye, Patrick | --NR-- |
'Keuka Kiss' | Large | Hybrid | Pale-Lavender | July into August | Brandt-Sorheim, Peter & McElwee, Molly | .2002 |
'Kevin Kelley' | Large | Hybrid | Pale-Lavender | July | Goodwin, Randy | .1996 |
'Key Lime' | Medium | Unknown | Pale-Lavender | July into August | Banyai, Pauline & Banyai, Bruce | .1990 |
'Key West Sunset' | Small | Unknown | - | July into August | Ward, Dr Dick & Ward, Jane | .2013 |
'Khaki Krush' | Giant | Hybrid | Pale-Lavender | July into August | Heims, Dan | --NR-- |
'Kickapoo' | Medium | Unknown | - | - | Wade, Van | --NR-- |
'Kifu Hime' | Large | Sport | Near-White | August to September | Longwood Gardens | --NR-- |
'Kii Hime' | Small | Unknown | Light-Purple | July | Unknown | --NR-- |
'Kikeika' | Small | Sport | Light-Purple | September to October | Unknown | --NR-- |
'Kikeika Mizu' | Small | Sport | Light-Purple | September to October | Unknown | --NR-- |
'Kilauea' | Medium | Hybrid | Med-Lavender | July | Elslager, Ed | .2001 |
'Kill Me Softly' | Small | Unknown | - | - | Scheer, Alttara | --NR-- |
'Kilowatt' | Medium | Hybrid | Light-Purple | July | Armstrong, Maxine | .1970 |
'Kinba' | Large | Hybrid | Light-Purple | - | Watanabe, Kenji | --NR-- |
'King Cobra' | Medium | Hybrid | Pale-Lavender | June into July | Scheer, Alttara & Gilligan, Madelon | .2015 |
'King Crimson' | Medium | Unknown | - | - | Unknown | --NR-- |
'King Edward' | Medium | Unknown | - | - | Crockett, Clyde | --NR-- |
'King James' | Large | Hybrid | Near-White | June into July | Krossa, Gus & Ruh, Peter | .1992 |
'King Lizard' | Large | Hybrid | Light-Purple | July | Rogers, Floyd | .2003 |
'King Michael' | Giant | Hybrid | Near-White | June | Krossa, Gus & Summers, Alex & Ruh, Peter | .1992 |
'King of Spades' | Medium | Hybrid | Med-Lavender | August to October | Beilstein, Doug & Beilstein, Mardy | .2007 |
'King Tucker' | Giant | Hybrid | - | August to September | Kwick, Charles | .2016 |
'King's Attendant' | Large | Unknown | - | - | King, Herb | --NR-- |
'King's Baroness' | Large | Unknown | - | - | King, Herb | --NR-- |
'King's Beacon of Light' | Giant | Unknown | - | - | King, Herb | --NR-- |
'King's Black Knight' | Large | Hybrid | Pale-Lavender | July into August | King, Herb & King, Gladys | .2006 |
'King's Brilliance' | Small | Unknown | - | - | King, Herb | --NR-- |
'King's Countess of Salisbury' | Large | Unknown | - | - | King, Herb | --NR-- |
'King's Damsel in Green' | Large | Unknown | - | - | King, Herb | --NR-- |
'King's Defiance' | Medium | Unknown | - | - | King, Herb | --NR-- |
'King's Dover Castle' | Small | Unknown | - | - | King, Herb | --NR-- |
'King's Dragonslayer' | Small | Unknown | - | - | King, Herb | --NR-- |
'King's Emerald Charm' | Large | Unknown | - | - | King, Herb | --NR-- |
'King's Emerald Isle' | Medium | Unknown | - | - | King, Herb | --NR-- |
'King's Fair Lass' | Large | Unknown | - | - | King, Herb | --NR-- |
'King's Fairest of the Fair' | Small | Unknown | - | - | King, Herb | --NR-- |
'King's Gauntlet' | Small | Unknown | - | - | King, Herb | --NR-- |
'King's Gold Dust' | Large | Unknown | - | - | King, Herb | --NR-- |
'King's Golden Knight' | Medium | Unknown | - | - | King, Herb | --NR-- |
'King's Green Charmer' | Medium | Unknown | - | - | King, Herb | --NR-- |
'King's Infatuation' | Medium | Unknown | - | - | King, Herb | --NR-- |
'King's Integrity' | Medium | Unknown | - | - | King, Herb | --NR-- |
'King's Keepsake' | Medium | Unknown | - | - | King, Herb | --NR-- |
'King's Lady Elizabeth' | Medium | Unknown | - | - | King, Herb | --NR-- |
'King's Lady Fay' | Medium | Unknown | - | - | King, Herb | --NR-- |
'King's Lady in Waiting' | Medium | Unknown | - | - | King, Herb | --NR-- |
'King's Lancer' | Large | Unknown | - | - | King, Herb | --NR-- |
'King's Leeds Castle' | Medium | Unknown | - | - | King, Herb | --NR-- |
'King's Libertine' | Large | Unknown | - | - | King, Herb | --NR-- |
'King's Paladin' | Medium | Unknown | - | - | King, Herb | --NR-- |
'King's Penance' | Medium | Unknown | - | - | King, Herb | --NR-- |
'King's Ransom' | Medium | Hybrid | Near-White | July into August | Dean, Don | .2006 |
'King's Ruffian' | Medium | Unknown | - | - | King, Herb | --NR-- |
'King's Sir Michael' | Medium | Unknown | - | - | King, Herb | --NR-- |
'King's Small Sum' | Small | Unknown | - | - | King, Herb | --NR-- |
'King's Steward' | Small | Unknown | - | - | King, Herb | --NR-- |
'King's Vision' | Large | Unknown | - | - | King, Herb | --NR-- |
'King's Warwick Castle' | Small | Unknown | - | - | King, Herb | --NR-- |
'King's Woodland Dragon' | Large | Unknown | - | - | King, Herb | --NR-- |
'Kingsize' | Giant | Sport | Pale-Lavender | June | Van Eechaute, Danny | .2013 |
'Kinnickinnic' | - | Hybrid | - | - | Moore, Jeff | --NR-- |
'Kinu Akari' | Medium | Sport | Light-Purple | August to September | Unknown | --NR-- |
'Kinusouri' | Medium | Hybrid | - | - | Unknown | --NR-- |
'Kirishima' | Small | Unknown | Pale-Lavender | - | Hirao, Shuichi | --NR-- |
'Kishiro-chirishimafu' | Medium | Sport | Light-Purple | June into July | Unknown | --NR-- |
'Kishiro-nakafu Hyūga' | Medium | Sport | Near-White | August to September | Unknown | --NR-- |
'Kishiro-nakafu Unazuki' | Medium | Sport | Med-Lavender | August to September | Unknown | --NR-- |
'Kishiro-shimafu Unazuki' | Medium | Sport | Med-Lavender | August to September | Unknown | --NR-- |
'Kiss and Surrender' | Medium | Hybrid | Pale-Lavender | August to September | Kwick, Charles | .2018 |
'Kiss Me Kwick and Don't Slobber' | Large | Hybrid | Near-White | June into July | Kwick, Charles | .2017 |
'Kit Kat' | Large | Sport | Near-White | June into July | Smetana, Don | .1994 |
'Kitty Cat' | Small | Sport | Light-Purple | July | Wade, Van | --NR-- |
'Kiwi Black Magic' | Large | Hybrid | Light-Purple | July into August | Sligh, Barry | .1999 |
'Kiwi Crinkles' | Medium | Hybrid | Light-Purple | August | Sligh, Barry | --NR-- |
'Kiwi Emerald' | Medium | Hybrid | Pale-Lavender | July into August | Sligh, Barry | .1999 |
'Kiwi Emerald Isle' | Medium | Hybrid | Med-Lavender | - | Collier, Gordon | --NR-- |
'Kiwi Forest' | Large | Sport | Near-White | June into July | Sligh, Barry | .1999 |
'Kiwi Green Gourd' | Large | Sport | Near-White | July | Sligh, Barry | --NR-- |
'Kiwi Hippo' | Large | Hybrid | Light-Purple | July into August | Sligh, Barry | .1999 |
'Kiwi Parasol' | Large | Sport | Near-White | June | Sligh, Barry | .1999 |
'Kleiner Schelm' | Miniature | Unknown | Med-Lavender | - | Kohlein, Fritz | --NR-- |
'Klingon' | Medium | Sport | Pale-Lavender | June into July | Zilis, Mark & Schwarz, Jim | --NR-- |
'Knickerbocker' | - | Hybrid | - | - | Malloy, Alex | --NR-- |
'Knit Pickin' | Medium | Hybrid | Med-Lavender | July | Zolock, Steve & Zolock, Sarah | .2010 |
'Ko Iwa' | Miniature | Hybrid | - | - | Watanabe, Kenji | --NR-- |
'Ko Mame' | Miniature | Unknown | Med-Lavender | September | Unknown & Ruh, Peter | .2002 .2018 |
'Ko Seto' | Medium | Unknown | Med-Lavender | August | Watanabe, Kenji | .2002 |
'Kofuki Iwa Giboshi' | Medium | Unknown | Light-Purple | September | Maekawa, Dr Fumio | --NR-- |
'Kokuryu' | Medium | Unknown | Near-White | October | Nakayama, Toyozo & Kurasawa, Tsuneo & Ruh, Peter | .2000 |
'Komame' | Miniature | Sport | Med-Lavender | August | Unknown | --NR-- |
'Komodo Dragon' | Large | Hybrid | Pale-Lavender | June | Seaver, Mildred | .2004 |
'Kong' | Large | Hybrid | Near-White | June into July | Soules, Clarence | .1990 |
'Korean' | Small | Sport | Light-Purple | July | Unknown | --NR-- |
'Kosugidani' | Medium | Unknown | Pale-Lavender | August | Unknown | --NR-- |
'Kozu Nishiki' | Medium | Sport | Med-Lavender | September | Unknown | --NR-- |
'Kryptonite' | Medium | Sport | Pale-Lavender | July into August | Tramposch, Kurt & Walek, Kevin | .2009 |
'Kunpu' | Medium | Unknown | - | - | Unknown | --NR-- |
'Kurumazaki' | Large | Hybrid | Pale-Lavender | July | Watanabe, Kenji | --NR-- |
'Kwick's Salad Bowl' | Large | Hybrid | Near-White | June into July | Kwick, Charles | .2017 |
'Kyoto' | Medium | Hybrid | Med-Lavender | August to October | Sugita, Hajime & Ruh, Peter | .2001 |
|