Cultivar NamePlant SizeLeaf ColorVariegationVar ColorOriginFlower ColorSeasonSourceRegistered
'Occupy Wall Street'SmallBlue/GreenMarginalWhiteUnknown-July into AugustFreeman, Franc.2012
'Ocean Isle Tornado'MediumMed-GreenMedialWhiteNat-SportMed-LavenderJuly into AugustChopko, Dave--NR--
'Ogon Sudare'SmallYellow--UnknownPale-LavenderJulyLantis, Clarence & Ruh, Peter.2002 .2018
'Oh Charlie'LargeMed-GreenMarginalYellowTC SportPale-LavenderJulyZiarek, Ken--NR--
'Oh Dannyboy'LargeDark-Green--Unknown--Skaggs, Virginia & Brian--NR--
'Oh! Susanna'MediumBlue/Green--HybridMed-LavenderJune into JulyReuter, Laurence & Gilligan, Madelon.2015
'O'Harra'SmallYellow--UnknownDeep-PurpleJulyO'Harra, Russ & Walek, Kevin.2009
'Ohh! Blue Bounty'LargeBlue/Green--UnknownNear-WhiteJune into JulySchulz, Ed.2011
'Ohh! Charlotte!'LargeYellow--Unknown-June into JulySchulz, Ed.2012
'Ohh! Laurel'-Yellow--Unknown--Schulz, Ed.2009
'Ohh! Valeria'LargeYellow--Unknown--Schulz, Ed.2009
'Ohh! Viola'MediumYellow--UnknownNear-WhiteJune into JulySchulz, Ed.2015
'OHS Juno'MediumBlue/Green--Nat-SportPale-LavenderJuly into AugustOntario Hosta Society--NR--
'Old Bill'GiantBlue/Green--HybridPale-LavenderJune into JulyGilligan, Madelon.2012
'Old Cardboard Boxes'LargeBlue/Green--Unknown--Marcelle, Eric--NR--
'Old Ironsides'GiantLight-Green--Nat-SportMed-LavenderJulySummers, Alex--NR--
'Olympic Magic'MediumLight-GreenStreakedSpecklesNat-SportPale-LavenderJulyNaylor Creek Nursery--NR--
'Oma's Sunrise'LargeBlue/Green--Unknown--Sisson, Kathie--NR--
'Omatsu-san Nishiki'SmallLight-Green--UnknownLight-Purple-Ruh, Peter.2002 .2018
'On Fire'MediumBlue/GreenStreakedYellowTC SportLight-PurpleJuly into AugustZilis, Mark.2011
'On Golden Pond'GiantDark-GreenMarginalYellowHybridNear-WhiteJulyElslager, Ed.2005
'Only You'MediumMed-GreenMarginalWhiteHybrid--Ward, Dr Dick & Jane.2012
'Orange Rose'SmallDark-GreenMedialYellowNat-Sport-June into JulyMcHugh, Ed.2012
'Orinoco Flow'MediumMed-Green--HybridPale-LavenderJuly into AugustCross, Peter.2002
'Osiris Pacha'MediumMed-GreenMarginalYellowUnknown--Fafard, Serge--NR--
'Osiris Trouvaille'LargeBlue/GreenMarginalYellowUnknown--Fafard, Serge--NR--
'Otome-no-ka'MediumDark-Green--UnknownLight-PurpleAugustWatanabe, Kenji & Ruh, Peter.2002
'Outrageous'LargeDark-GreenStreakedWhiteHybridPale-LavenderJulyBenedict, Dr R. (Herb) & Walek, Kevin.2009
'Over the Rainbow'LargeMed-GreenStreakedSpecklesHybridNear-WhiteJune into JulyElslager, Ed.2005
'Over the Waves'MediumBlue/Green--Unknown-August to SeptemberBenedict, Dr R. (Herb) & Dorothy & Kuenster, Rod.2010
'Oze'MiniatureMed-GreenMarginalYellowUnknownNear-WhiteAugustUnknown--NR--
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