Cultivar NamePlant SizeLeaf ColorVariegationVar ColorOriginFlower ColorSeasonSourceRegistered
'Rick Strub'LargeBlue/Green  Hybrid  Zilis, Mark--NR--
'Robb McWilliams'LargeDark-GreenMarginalWhiteUnknown  McWilliams, Robb & Cindy--NR--
'Robyn Duback'MediumMed-GreenMarginalYellowUnknownMed-LavenderAugust to SeptemberBenedict, Dr R. (Herb) & Dorothy & Kuenster, Rod.2010
'Rod Kuenster'GiantBlue/GreenMarginalYellowHybrid  Miller, Jeff--NR--
'Ron Livingston'MediumLight-Green  UnknownLight-PurpleAugustAsch, Stuart--NR--
'Rosedale Marsha Axmear Erb'SmallDark-GreenMarginalYellowHybridPale-LavenderJulyHadrava, Jerry.1999
'Rosedale Robert Hackbarth'LargeYellow  UnknownNear-WhiteJune into JulyHadrava, Jerry.1999
'Rossing's Pride'MediumMed-GreenMarginalBlue-GreenNat-SportPale-LavenderJuly into AugustRossing, Richard.1993
'Roy Klehm'LargeBlue/GreenMedialYellowNat-SportNear-WhiteJune into JulyHansen, Hans & Shady Oaks Nursery.2007
'Roy Lee Goodenough'MediumMed-GreenStreakedYellowHybrid  Goodenough, Rick--NR--
'Russ O'Harra'GiantMed-Green  HybridNear-WhiteJuly into AugustO'Harra, Russ.1999
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