Cultivar NamePlant SizeLeaf ColorVariegationVar ColorOriginSeasonSourceRegistered
'Ra'LargeYellow--HybridJuly into AugustBalitewicz, Bob--NR--
'Rachel'LargeDark-GreenMarginalYellowHybridJuly into AugustKuk, Bob.2005
'Radio Waves'SmallMed-Green--HybridAugustJohnson, Greg.2004
'Rain Forest'LargeMed-Green--HybridAugust to OctoberGoodwin, Randy.1996
'Rain Forest Shooting Stars'MediumDark-GreenMedialYellowNat-SportJuly into AugustOwens, William & Jean.2008
'Rainbow'LargeDark-GreenMarginalYellowNat-SportJuly into AugustUnknown--NR--
'Rainbow Delight'SmallMed-GreenStreakedWhiteUnknownJuly into AugustBenedict, Dr R. (Herb) & Dorothy & Kuenster, Rod.2010
'Rainbow’s Moon'LargeMed-GreenMarginalLight GreenNat-SportJuly into AugustHarle, Dennis--NR--
'Ralph's Legacy'SmallMed-GreenStreakedSpecklesUnknownJuly into AugustZolock, Steve & Sarah.2000
'Raspatini'MiniatureMed-Green--HybridAugustZilis, Mark.2009
'Raspberries and Cream'SmallMed-Green--TC SportAugustZilis, Mark.2004
'Raspberry Beauty'MediumLight-Green--HybridAugust to SeptemberDishon, Jim.1999
'Raspberry Meringue'SmallDark-GreenMedialChartreuseTC SportAugustZilis, Mark.2003
'Raspberry Sorbet'SmallDark-Green--HybridAugustZilis, Mark.1999
'Raspberry Sorbet Supreme'SmallDark-GreenStreakedSpecklesTC SportAugustSchwarz, Jim--NR--
'Raspberry Sundae'SmallDark-GreenMedialWhiteUnknownAugust to OctoberKorlipara, Harini & Gossett & Terra Nova Nurseries--NR--
'Raspberry Truffle'SmallMed-GreenStreakedSpecklesTC SportAugustZilis, Mark--NR--
'Ravinia'SmallMed-GreenMarginalWhiteNat-SportAugustGoodwin, Randy.2013
'Ray of Hope'MiniatureMed-GreenStreakedYellowNat-SportAugustTower, Alan & Solberg, Robert.2005
'Razzmatazz'MediumMed-GreenMarginalWhiteNat-SportJuly into AugustBeilstein, Doug & Mardy.2013
'Razz'n Rick'LargeMed-GreenStreakedYellowUnknownAugust to SeptemberSchmidt, Bevie.2009
'Red Alert'SmallMed-GreenMedialWhiteHybridJuly into AugustUnknown--NR--
'Red Bull'LargeMed-Green--HybridJuly into AugustVan Eechaute, Danny.2010
'Red Cadet'MediumDark-Green--HybridAugust to OctoberVan Eechaute, Danny.2005
'Red Corvette'MediumMed-Green--HybridAugust to SeptemberMoore, Jeff & Schwarz, Jim.2015
'Red Dragon'MediumLight-Green--HybridAugustLivingston, Ron--NR--
'Red Hex'-Med-Green--UnknownAugustUnknown--NR--
'Red Hot Poker'SmallDark-GreenMarginalWhiteHybridAugustAsch, Stuart.2005
'Red Legs'LargeDark-Green--HybridAugust to OctoberSugita, Hajime & Ruh, Peter.1998
'Red Neck Heaven'MediumMed-Green--HybridJuly into AugustAvent, Tony.1998
'Red Raven'SmallMed-Green--HybridAugust to SeptemberMalloy, Alex--NR--
'Red Rover'MediumMed-Green--HybridAugust to SeptemberMoore, Jeff & Schwarz, Jim.2015
'Red Ryder'SmallMed-GreenStreakedWhiteHybridJuly into AugustMalloy, Alex.2001
'Red Sails in the Sunset'SmallLight-Green--HybridAugustVan Ostrand, John.2004
'Red Sox'MediumDark-Green--HybridAugust to OctoberHerold, Roy & Walek, Kevin.2009
'Red Stem Green'MediumMed-Green--UnknownAugustWade, Van--NR--
'Red Stepper'MediumMed-Green--HybridAugustGoodwin, Randy.1996
'Red Wing'MediumLight-GreenMarginalDark GreenHybridAugustBenedict, Dr R. (Herb) & Walek, Kevin.2009
'Reddish Dot'MediumMed-Green--HybridJuly into AugustLiu, Donghuan.2016
'Reddy Eddy'LargeDark-Green--UnknownAugust to SeptemberBenedict, Dr R. (Herb) & Dorothy & Kuenster, Rod.2010
'Redneck Mardi Gras'SmallYellow--UnknownAugust to SeptemberDuncan, Mary Jo.2016
'Redolent Nosegay'LargeDark-GreenMarginalYellowNat-SportAugust to OctoberHawes, James.1999
'Regal Affair'SmallDark-GreenMarginalWhiteNat-SportJuly into AugustMeyer, Bill--NR--
'Regal Chameleon'LargeBlue/GreenMarginalBlue-GreenTC SportAugustFalstad, C.H.2000
'Regal Flame'LargeBlue/Green--Nat-SportJuly into AugustUnknown--NR--
'Regal Glory'LargeMed-GreenMarginal-HybridJuly into AugustBenedict, Dr Ralph (Herb)--NR--
'Regal Promenade'LargeBlue/GreenStreakedYellowNat-SportAugustSnyder, Ron.1994
'Regal Providence'LargeBlue/GreenMarginalWhiteNat-SportAugustSnyder, Ron.1994
'Regal Rhubarb'LargeMed-Green--UnknownJuly into AugustSellers, Van.1983
'Regal Rumor'LargeMed-GreenStreakedWhiteUnknownJuly into AugustLaico, Michael.2003
'Regal Splash'LargeDark-GreenMarginalYellowNat-SportJuly into AugustUnknown--NR--
'Regal Splendor'LargeBlue/GreenMarginalCreamy WhiteNat-SportJuly into AugustWalters Gardens.1987
'Regal Tot'SmallLight-Green--HybridJuly into AugustZilis, Mark.2010
'Regal Twist'MediumBlue/GreenMedialWhiteNat-SportJuly into AugustSchulte, Dave & Don.2007
'Regalia'LargeBlue/Green--Nat-SportJuly into AugustAnderson, Kenneth.1992
'Reginald Kaye'MediumBlue/Green--UnknownAugustRuh, Peter & Jean.2003
'Rendezvous'MediumBlue/GreenMarginalWhiteNat-SportJuly into AugustZilis, Mark & Schwarz, Jim.2014
'Resonance'SmallDark-GreenMarginalCreamy WhiteUnknownAugustAden, Paul.1976
'Restless Sea'MediumMed-Green--HybridAugust to OctoberHansen, Hans.2006
'Revelations'LargeLight-GreenMarginalGreenNat-SportJuly into AugustMoore, Ernest.1993
'Reverend Mac'MediumBlue/Green--Nat-SportJuly into AugustVan Eechaute, Danny.2011
'Reverie'MediumMed-GreenMedialCreamy WhiteHybridAugustWilkins, Dr Jim & Sandy.2003
'Rhapsody in Blue'MediumDark-Green--HybridAugust to OctoberBenedict, Dr Ralph (Herb).1996
'Rhein'MediumBlue/Green--UnknownAugustKlose, Heinz & Ruh, Peter & Jean.2003
'Rhino'MediumMed-GreenMarginalWhiteNat-SportAugust to SeptemberGoodwin, Randy.2000
'Rhubarb Pie'MediumMed-Green--Nat-SportAugustJohnson, Irwin.2001
'Rhythm and Blues'SmallBlue/Green--HybridJuly into AugustJohnson, Greg.2004
'Ribbon Tiara'SmallYellowMarginalGreenNat-SportJuly into AugustMeyer, Bill--NR--
'Richland Clear Fork Mist'MediumMed-GreenMarginalYellowUnknownJuly into AugustWade, Van--NR--
'Richland Gold'MediumYellow--Nat-SportJuly into AugustWade, Van.1987
'Richland Gold Splash'MediumYellowStreakedSpecklesNat-SportJuly into AugustWade, Van & Walek, Kevin.2009
'Richland Gold's Moonlight'MediumMed-GreenMarginalWhiteNat-SportJuly into AugustWade, Van.1999
'Richland Gold's Moonlight's Child'MediumMed-GreenMedialWhiteNat-SportJuly into AugustWade, Van--NR--
'Richland Neat Tot'LargeMed-GreenStreakedWhiteUnknownAugustWade, Van--NR--
'Richland Reward'MediumYellowMarginalWhiteTC SportJuly into AugustSchulz, Ed.2014
'Richland Riot'MediumYellowMarginalYellowNat-SportJuly into AugustSchulz, Ed--NR--
'Richland Royal Prince'SmallMed-GreenMedialWhiteHybridJuly into AugustWade, Van--NR--
'Richland Royal Purple'LargeMed-Green--Nat-SportJuly into AugustWade, Van.1999
'Right Around Morning Sunrise'MediumMed-GreenStreakedYellowNat-SportJuly into AugustMcHugh, Ed.2009
'Right On'SmallMed-GreenMedialWhiteHybridAugustBenedict, Dr Ralph (Herb)--NR--
'Righteous Rays'MediumYellow--HybridAugustSnyder, Ron.2003
'Ring Around the Moon'LargeBlue/GreenMedialYellowNat-SportJuly into AugustJohnson, Robert.2004
'Ringtail'MediumDark-Green--HybridAugust to OctoberTerpening, Kent.2005
'Ripple Effect'SmallMed-GreenMedialWhiteNat-SportJuly into AugustWalters Gardens--NR--
'Rippled Honey'LargeMed-Green--HybridAugustBenedict, Dr R. (Herb) & Ruh, Peter.2006
'Riptide'MediumBlue/Green--UnknownAugustSellers, Van.1987
'Risa'SmallMed-Green--UnknownJuly into AugustDupre, Dirk.2006
'Rise and Shine'LargeYellow--HybridJuly into AugustGoodwin, Randy.2006
'Rising Star'MediumYellowMarginalPale YellowNat-SportJuly into AugustMortko, Rob.2013
'Rising Sun'LargeYellow--HybridJuly into AugustVaughn, Kevin.1988
'Ritz'GiantBlue/Green--HybridJuly into AugustLivingston, Ron--NR--
'Road Rage'MediumMed-Green--HybridAugustBeilstein, Doug.2018
'Robert's Rapier'MediumDark-GreenMedialWhiteNat-SportJuly into AugustKeller, Robert.1996
'Robusta Variegata'SmallMed-GreenStreakedYellowHybridAugustAden, Paul--NR--
'Robyn Duback'MediumMed-GreenMarginalYellowUnknownAugust to SeptemberBenedict, Dr R. (Herb) & Dorothy & Kuenster, Rod.2010
'Robyn's Choice'MediumBlue/GreenMarginalYellowNat-SportJuly into AugustThomas, Bryan--NR--
'Rock Concert'LargeBlue/GreenStreakedSpecklesUnknownJuly into AugustKuenster, Rod.2009
'Rock Happy'MediumMed-Green--HybridAugustRuh, Peter.1992
'Rock Prince'SmallYellow--UnknownAugustO'Brien, John--NR--
'Rocknoll Blue Dwarf'MiniatureBlue/Green--UnknownAugustSaur, B. & Ruh, Peter.1996
'Rohdeifolia'MediumDark-GreenMarginalWhiteUnknownAugustUnknown--NR--
'Roller Coaster Ride'SmallMed-GreenMarginalWhiteTC SportAugustZilis, Mark.2005
'Romaine'LargeMed-Green--UnknownJuly into AugustSchwarz, Jim & Karen.2011
'Ron Livingston'MediumLight-Green--UnknownAugustAsch, Stuart--NR--
'Ros Hogh'MediumMed-Green--UnknownAugust to SeptemberKrossa, Gus--NR--
'Rosedale Alligator Tail'SmallMed-GreenMarginalWhiteHybridJuly into AugustHadrava, Jerry.1999
'Rosedale Babe'LargeBlue/Green--HybridJuly into AugustHadrava, Jerry.2000
'Rosedale Blend Master'MediumBlue/GreenStreakedYellowUnknownJuly into AugustHadrava, Jerry.2000
'Rosedale Catcher's Mitt'LargeBlue/Green--HybridJuly into AugustHadrava, Jerry.2000
'Rosedale Gee Wilikers'SmallDark-GreenMarginalYellowHybridAugustHadrava, Jerry.2000
'Rosedale Gee-whiz'SmallMed-GreenMarginalWhiteHybridAugustHadrava, Jerry.2000
'Rosedale Golden Teapot'LargeLight-GreenMarginalYellowHybridJuly into AugustHadrava, Jerry.2000
'Rosedale Houdini'MediumMed-GreenStreakedYellowHybridJuly into AugustHadrava, Jerry.2000
'Rosedale Jack of Spades'MediumMed-GreenStreakedYellowHybridJuly into AugustHadrava, Jerry.2000
'Rosedale Lion's Mane'SmallMed-GreenMedialWhiteUnknownJuly into AugustHadrava, Jerry.2000
'Rosedale Paddy Wagon'SmallDark-GreenMarginalWhiteHybridJuly into AugustHadrava, Jerry.2000
'Rosedale Pie-eyed'SmallDark-GreenStreakedYellowHybridJuly into AugustHadrava, Jerry.2000
'Rosedale Streaked Zipper'MediumDark-GreenStreakedWhiteHybridJuly into AugustHadrava, Jerry.2000
'Rosedale Sugar Time'MediumMed-GreenMarginalWhiteUnknownAugustHadrava, Jerry.1999
'Rosedale Tablespoons'MediumYellow--HybridJuly into AugustHadrava, Jerry.2000
'Rosedale Tie-dyed'MediumMed-GreenStreakedWhiteHybridJuly into AugustHadrava, Jerry.2000
'Rosie Posie'LargeDark-GreenMarginalWhiteHybridAugust to SeptemberKrul, Nancy & Belle Gardens.1994
'Rossing's Pride'MediumMed-GreenMarginalBlue-GreenNat-SportJuly into AugustRossing, Richard.1993
'Rostraver Heritage'LargeMed-Green--UnknownJuly into AugustZolock, Steve & Sarah.2009
'Rough Knight'SmallBlue/Green--HybridAugustBeilstein, Doug & Mardy.2013
'Roughrider'MediumMed-GreenMarginalWhiteHybridAugust to SeptemberGraves, Butch.2008
'Route 66'LargeYellow--TC SportJuly into AugustZilis, Mark.2005
'Royal Accolade'MediumLight-GreenMarginalGreenNat-SportAugustZumbar, Wm.1986
'Royal Bells'MediumDark-GreenMarginalYellowHybridAugustDishon, Jim.1999
'Royal Charmer'LargeMed-GreenStreakedWhiteNat-SportJuly into AugustVan Eechaute, Danny.2011
'Royal Crest'LargeMed-Green--HybridAugust to SeptemberHansen, Hans & Walters Gardens.2018
'Royal Diadem'LargeMed-GreenMarginalWhiteNat-SportAugust to OctoberZumbar, Wm & Zilis, Mark--NR--
'Royal Gold'LargeYellow--TC SportAugust to OctoberWayside Gardens--NR--
'Royal Lady'LargeDark-Green--UnknownAugust to SeptemberHolly, Gladys & AHS.1986
'Royal Oyster'MediumMed-Green--Nat-SportAugustSummers, Alex--NR--
'Royal Regal Rhubarb'LargeMed-GreenMarginalWhiteNat-SportJuly into AugustBenedict, Dr Ralph (Herb)--NR--
'Royal Rhubarb'LargeMed-Green--HybridJuly into AugustRuh, Peter & Jean.2005
'Royal Rim'LargeMed-GreenMarginalWhiteNat-SportAugust to OctoberZumbar, Wm & Zilis, Mark--NR--
'Royal Splash'LargeMed-GreenStreakedWhiteTC SportAugustGrullemans, John J. & Wayside Gardens--NR--
'Royal Standard'LargeMed-Green--HybridAugust to OctoberGrullemans, John J. & Wayside Gardens.1986
'Royal Standard' - Mediovariegated-Med-GreenMedialYellowTC SportAugust to OctoberUnknown--NR--
'Royal Standard' - Yellow FormLargeYellow--TC SportAugust to OctoberUnknown--NR--
'Royal Standard Double'LargeMed-Green--Nat-SportAugust to SeptemberReinermann, W.--NR--
'Royal Standard Special'LargeMed-GreenMarginalYellowTC SportAugust to OctoberGrullemans, John J. & Wayside Gardens--NR--
'Royal Super'MediumDark-GreenStreakedYellowNat-SportJuly into AugustWalters Gardens & Falstad, Clarence.2000
'Royal Susan'LargeMed-GreenStreakedWhiteNat-SportAugustBenedict, Dr Ralph (Herb)--NR--
'Royal Wedding'MediumMed-GreenMarginalWhiteTC SportAugust to SeptemberBergeron, Amy & Walters Gardens--NR--
'Roy's Pink'SmallMed-Green--HybridAugustBenedict, Dr R. (Herb) & Walek, Kevin.2009
'Rubber Ducky'MediumLight-Green--UnknownJuly into AugustSchwarz, Jim.1996
'Rubies and Ruffles'MediumDark-GreenMarginalWhiteUnknownAugust to SeptemberGoodwin, Randy.2009
'Ruby'SmallMed-Green--HybridAugust to SeptemberSavory, Dennis.2013
'Ruffed Up'LargeYellow--HybridAugust to SeptemberCarlson, Monty & Julie.2009
'Ruffled Pale Face'SmallLight-Green--UnknownJuly into AugustSchulz, Ed.2002
'Rufus Rider'MediumDark-GreenMarginalWhiteHybridJuly into AugustLivingston, Ron--NR--
'Run Around'MediumMed-Green--UnknownJuly into AugustBenedict, Dr R. (Herb) & Dorothy & Kuenster, Rod.2010
'Russ O'Harra'GiantMed-Green--HybridJuly into AugustO'Harra, Russ.1999
'Russian Tiara'SmallMed-GreenMarginalYellowNat-SportJuly into AugustUnknown--NR--
'Rusty's Fine Line'LargeDark-GreenMedialWhiteNat-SportJuly into AugustRouillier, Denis--NR--
'Ruth Reed Mraz'LargeMed-Green--UnknownJuly into AugustDow, Ronald & Mraz, Arthur.2012
'You're So Vein'SmallDark-Green--UnknownJuly into AugustAvent, Tony.2012
'You're Welcome'LargeMed-Green--Nat-SportJuly into AugustMicheletti, Tom.2011
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