No.Cultivar NameLeaf ColorVariegationVar ColorOriginFlower ColorSeasonSourceRegistered
1 'Radio Waves'Med-Green--HybridPale-LavenderAugustJohnson, Greg.2004
2 'Rain Forest Shooting Stars'Dark-GreenMedialYellowSportMed-LavenderJuly into AugustOwens, William & Owens, Jean.2008
3 'Rainbow'Dark-GreenMarginalYellowSportPale-LavenderJuly into AugustUnknown--NR--
4 'Raspatini'Med-Green--HybridLight-PurpleAugustZilis, Mark.2009
5 'Razzmatazz'Med-GreenMarginalWhiteHybridPale-LavenderJuly into AugustBeilstein, Doug & Beilstein, Mardy.2013
6 'Red Bull'Med-Green--Hybrid-July into AugustVan Eechaute, Danny.2010
7 'Red Rover'Med-Green--HybridMed-LavenderAugust to SeptemberMoore, Jeff & Schwarz, Jim.2015
8 'Reddish Dot'Med-Green--HybridDeep-PurpleJuly into AugustLiu, Donghuan.2016
9 'Redneck Mardi Gras'Yellow--UnknownDeep-PurpleAugust to SeptemberDuncan, Mary Jo.2016
10 'Resonance'Dark-GreenMarginalCreamy WhiteHybridLight-PurpleAugustAden, Paul.1976
11 'Revenge'Med-GreenStreakedYellowUnknown--Williams, Glenn--NR--
12 'Reverend Mac'Blue/Green--SportPale-LavenderJuly into AugustVan Eechaute, Danny.2011
13 'Richland Gold'Yellow--SportPale-LavenderJuly into AugustWade, Van.1987
14 'Rippled Treasure'Med-Green--Hybrid-June into JulyZilis, Mark.2010
15 'Risa'Med-Green--UnknownMed-LavenderJuly into AugustDupre, Dirk.2006
16 'Rock and Beautiful Ears'Light-GreenMarginalWhiteSportMed-LavenderJulyWade, Van--NR--
17 'Rock of Gibralter'Blue/Green--Sport-June into JulyZilis, Mark.2010
18 'Rocket City'Yellow--Unknown--Goodwin, Randy.2014
19 'Rough Lemon'Yellow  Unknown  Solberg, Robert--NR--
20 'Roughrider'Med-GreenMarginalWhiteHybridPure-WhiteAugust to SeptemberGraves, Butch.2008
21 'Royal Charmer'Med-GreenStreakedWhiteSportPure-WhiteJuly into AugustVan Eechaute, Danny.2011
22 'Royal Empress'Med-GreenMarginalChartreuseSportPale-LavenderJune into JulyRawson, Don.2016
23 'Royal Standard'Med-Green--HybridPure-WhiteAugust to OctoberGrullemans, John J. & Wayside Gardens.1986
24 'Royal Standard Double'Med-Green--SportPure-WhiteAugust to SeptemberReinermann, Werner--NR--
25 'Ruffed Up'Yellow--HybridPale-LavenderAugust to SeptemberCarlson, Monty & Carlson, Julie.2009
26 'Rutherford Birchard Hayes'Light-Green--UnknownMed-Lavender-Ruh, Peter & Ruh, Jean.2010

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