Cultivar NamePlant SizeLeaf ColorVariegationVar ColorOriginFlower ColorSeasonSourceRegistered
'Radiant Light'MediumLight-Green--Unknown--Livingston, Ron--NR--
'Ragtime'LargeYellow--HybridPale-LavenderJune into JulyWard, Dr Dick & Jane.2013
'Rainmaker'GiantMed-Green--Unknown-June into JulyWard, Dr Dick & Jane.2009
'Raspatini'MiniatureMed-Green--HybridLight-PurpleAugustZilis, Mark.2009
'Raspberry Ice Cream'GiantYellowStreakedSpecklesNat-SportMed-LavenderJulyUnknown--NR--
'Razz'n Rick'LargeMed-GreenStreakedYellowUnknown-August to SeptemberSchmidt, Bevie.2009
'Ready Eddy'SmallBlue/Green--Unknown--Benedict, Dr Ralph (Herb)--NR--
'Ready Freddy'GiantDark-Green--UnknownNear-WhiteJune into JulyAsch, Stuart.2010
'Rebel Rouser'MediumYellow--HybridNear-WhiteJulyWasitis, Chick--NR--
'Red Bull'LargeMed-Green--Hybrid-July into AugustVan Eechaute, Danny.2010
'Red Kitty'SmallMed-Green--Unknown--Terpening, Kent--NR--
'Red Light'MediumDark-Green--Unknown--Unknown--NR--
'Red Rover'MediumMed-Green--HybridMed-LavenderAugust to SeptemberMoore, Jeff & Schwarz, Jim.2015
'Red Sails in the Sunset'SmallLight-Green--HybridLight-PurpleAugustVan Ostrand, John.2004
'Red Stilts'LargeMed-Green--HybridPale-LavenderJune into JulyVan Eechaute, Danny.2011
'Reddish Dot'MediumMed-Green--HybridDeep-PurpleJuly into AugustLiu, Donghuan.2016
'Reddy Eddy'LargeDark-Green--Unknown-August to SeptemberBenedict, Dr R. (Herb) & Dorothy & Kuenster, Rod.2010
'Redneck Mardi Gras'SmallYellow--UnknownDeep-PurpleAugust to SeptemberDuncan, Mary Jo.2016
'Regal Tot'SmallLight-Green--HybridLight-PurpleJuly into AugustZilis, Mark.2010
'Reiho'SmallMed-GreenMedialWhiteUnknown--Unknown--NR--
'Renaissance'MediumMed-GreenStreakedSpecklesNat-SportPale-LavenderJulyMinks, Eldren.1983
'Rendezvous'MediumBlue/GreenMarginalWhiteNat-SportPale-LavenderJuly into AugustZilis, Mark & Schwarz, Jim.2014
'Retread'SmallMed-GreenMarginalWhiteHybridPale-LavenderJulyNyikos, Frank.2000
'Rheingold'MediumYellowMarginalGreenUnknown--Kohlein, Fritz--NR--
'Richard Taylor'LargeMed-Green--HybridPale-LavenderJune into JulySeaver, Mildred & Walek, Kevin.2009
'Ringmaster'SmallBlue/GreenMarginalWhiteNat-SportPale-LavenderJulyZilis, Mark.2011
'Rippled Elf'MediumMed-Green--Unknown--Powell, Loteta & Walek, Kevin.2009
'Rippled Green Cup'MediumDark-Green--Unknown--Wade, Van--NR--
'Rippled Treasure'MediumMed-Green--Hybrid-June into JulyZilis, Mark.2010
'Risa'SmallMed-Green--UnknownMed-LavenderJuly into AugustDupre, Dirk.2006
'River of Gold'LargeYellow--Unknown-June into JulyWard, Dr Dick & Jane.2014
'Rock Concert'LargeBlue/GreenStreakedSpecklesUnknownMed-LavenderJuly into AugustKuenster, Rod.2009
'Rock of Ages'GiantBlue/Green--Nat-SportPure-WhiteJune into JulyWard, Dr Dick & Jane.2009
'Rocket's Red Glare'MediumMed-Green--Unknown--Stegeman, Bev & Dave--NR--
'Rocky Fork'MediumBlue/Green--UnknownPale-LavenderJune into JulyWard, Dr Dick & Jane.2003
'Rocky Point'MediumYellow--Unknown--Goodenough, Rick--NR--
'Rookie Mouse'MiniatureMed-Green--Nat-SportLight-PurpleJune into JulySzustakiewicz, Peter--NR--
'Rosedale Coalminer's Special'MediumMed-GreenStreakedSpecklesUnknownLight-PurpleJulyHadrava, Jerry--NR--
'Rosedale Golden City'LargeLight-Green--UnknownNear-WhiteJune into JulyHadrava, Jerry.1999
'Rosedale Golden Star'MediumLight-GreenMarginalWhiteUnknown--Hadrava, Jerry--NR--
'Rosedale Golden Teapot'LargeLight-GreenMarginalYellowHybridPale-LavenderJuly into AugustHadrava, Jerry.2000
'Rosedale Houdini'MediumMed-GreenStreakedYellowHybridLight-PurpleJuly into AugustHadrava, Jerry.2000
'Rosedale Knox'LargeYellow--UnknownNear-WhiteJune into JulyHadrava, Jerry.1999
'Rosedale Monica Havana'LargeMed-GreenMarginalYellowHybridPale-LavenderJulyHadrava, Jerry--NR--
'Rosedale Sugar Time'MediumMed-GreenMarginalWhiteUnknownLight-PurpleAugustHadrava, Jerry.1999
'Rosedale Tail Feathers'SmallMed-GreenMarginalWhiteUnknown--Hadrava, Jerry--NR--
'Rosedale Waterwheel'LargeMed-GreenMarginalWhiteHybridLight-PurpleJulyHadrava, Jerry.2000
'Rosy'MediumBlue/Green--Unknown--Klose, Heinz--NR--
'Rough Knight'SmallBlue/Green--HybridMed-LavenderAugustBeilstein, Doug & Mardy.2013
'Roughrider'MediumMed-GreenMarginalWhiteHybridPure-WhiteAugust to SeptemberGraves, Butch.2008
'Royal Charm'SmallBlue/GreenStreakedWhiteNat-SportPale-LavenderJune into JulyJohnson, Greg.2004
'Royal Susan'LargeMed-GreenStreakedWhiteNat-SportPale-LavenderAugustBenedict, Dr Ralph (Herb)--NR--
'Royal Wave'SmallBlue/GreenStreakedWhiteNat-SportPale-LavenderJune into JulyJohnson, Greg.2004
'Rubies and Ruffles'MediumDark-GreenMarginalWhiteUnknownMed-LavenderAugust to SeptemberGoodwin, Randy.2009
'Ruby'SmallMed-Green--HybridLight-PurpleAugust to SeptemberSavory, Dennis.2013
'Ruby Desires'MediumDark-GreenMarginalYellowUnknown--Klotz, Ruby--NR--
'Ruffed Up'LargeYellow--HybridPale-LavenderAugust to SeptemberCarlson, Monty & Julie.2009
'Ruffian'MediumDark-Green--Nat-SportPale-LavenderJulyAsch, Stuart.2009
'Ruffle My Feathers'SmallMed-GreenMarginalWhiteNat-SportMed-Lavender-Livingston, Ron--NR--
'Ruffled Mouse Ears'MiniatureBlue/Green--Nat-SportMed-LavenderJulyZilis, Mark.2011
'Russell Square'MediumBlue/Green--Unknown--Crockett, Clyde--NR--
'Rusty's Blue Star'MiniatureMed-Green--Unknown--Rouillier, Denis--NR--
'Rutherford Birchard Hayes'MediumLight-Green--UnknownMed-Lavender-Ruh, Peter & Jean.2010
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