Cultivar NamePlant SizeLeaf ColorVariegationVar ColorOriginFlower ColorSeasonSourceRegistered
'Reiho'SmallMed-GreenMedialWhiteUnknown--Unknown--NR--
'Rim Rock'SmallMed-Green--HybridLight-PurpleJulySavory, Robert.1982
'Rippled Elf'MediumMed-Green--Unknown--Powell, Loteta & Walek, Kevin.2009
'Road Runner'MediumMed-GreenMarginalYellowUnknown--Unknown--NR--
'Rosedale Alligator Tail'SmallMed-GreenMarginalWhiteHybridNear-WhiteJuly into AugustHadrava, Jerry.1999
'Rosedale Light My Fire'SmallYellow--Unknown--Hadrava, Jerry--NR--
'Rosedale Lightning'SmallYellow--Unknown--Hadrava, Jerry--NR--
'Royal Scepter'SmallLight-Green--Nat-SportMed-LavenderJulyUnknown--NR--
'Royal Tiara'SmallMed-GreenMedialWhiteTC SportPale-LavenderJulyZilis, Mark.1988
'Royalty'MediumYellow--UnknownLight-PurpleJulyAnderson, Kenneth.1982
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