Cultivar NamePlant SizeLeaf ColorVariegationVar ColorOriginSeasonSourceRegistered
'Oakview'SmallBlue/Green--UnknownJune into JulyStone, David & Ruh, Peter.1987
'Oasis'LargeBlue/Green--UnknownJune into JulyWard, Dr Dick & Jane.2012
'Oberland Advanced Technology'LargeLight-GreenMarginalWhiteUnknownJuly into AugustRank, Stefan.2013
'Oberland Colourful Noise'LargeDark-GreenStreakedWhiteNat-SportJuly into AugustRank, Stefan.2013
'Oberland Spring Air'MediumMed-GreenMedialWhiteNat-SportJuly into AugustRank, Stefan.2013
'Oberland Thin Line'MediumBlue/GreenMarginalYellowNat-SportJuly into AugustRank, Stefan--NR--
'Obscene Gesture'SmallMed-GreenStreakedWhiteTC SportJulyAnderson, Jim--NR--
'Occupy Wall Street'SmallBlue/GreenMarginalWhiteUnknownJuly into AugustFreeman, Franc.2012
'Ocean Isle'LargeBlue/GreenMarginalYellowNat-SportJulyChopko, Dave.2006
'Ocean Isle Abracadabra'SmallMed-Green--Nat-SportJulyChopko, Dave--NR--
'Ocean Isle Gold'LargeMed-GreenMarginalYellowUnknownJune into JulyChopko, Dave--NR--
'Ocean Isle Gold Dust'MediumLight-GreenMedialYellowNat-SportJuly into AugustChopko, Dave--NR--
'Ocean Isle Tornado'MediumMed-GreenMedialWhiteNat-SportJuly into AugustChopko, Dave--NR--
'Ocean Isle Twist'MediumDark-GreenMedialWhiteNat-SportJuly into AugustChopko, Dave.2006
'Ocean Tide'LargeBlue/Green--HybridJune into JulyMondt, Manfred--NR--
'Oceans Away'GiantBlue/Green--UnknownJune into JulyHanson, Curt--NR--
'Oceans Blue'LargeBlue/Green--UnknownJuly into AugustSchmidt, Bevie.2009
'October Fest'MediumBlue/GreenMarginalYellowTC SportJune into Julyvan den Top, Jan--NR--
'Odd Ball'MediumBlue/Green--HybridJulyBenedict, Dr Ralph (Herb).1995
'Odd Goddess'MediumMed-Green--HybridJune into JulyKwick, Charles.2017
'Ode To Joy'SmallMed-Green--Nat-SportJulyJohnson, Greg.2004
'Oder'MediumBlue/Green--UnknownJuly into AugustKlose, Heinz--NR--
'Odyssey'MediumDark-GreenStreakedSpecklesHybridJulyArnold, Beth.1999
'Ogon Baran'MediumYellow--HybridJulyUnknown--NR--
'Ogon Hime Tokudama'SmallLight-Green--UnknownJune into JulyUnknown & Ruh, Peter.2002 .2018
'Ogon Kanzashi'MediumYellow--HybridJune into JulyUnknown--NR--
'Ogon Muraski'SmallYellow--UnknownJulyUnknown--NR--
'Ogon Oba'MediumYellow--Nat-SportJulyUnknown--NR--
'Ogon Otome'SmallYellow--UnknownJulyUnknown--NR--
'Ogon Sagae'MediumYellow--UnknownJuly into AugustUnknown--NR--
'Ogon Sudare'SmallYellow--UnknownJulyLantis, Clarence & Ruh, Peter.2002 .2018
'Ogon Tsushima'MediumYellow--UnknownJuly into AugustUnknown & Ruh, Peter.2002 .2018
'Oh by Gosh'LargeMed-GreenMarginalYellowNat-SportJulyRudolph, Thelma & Ruh, Peter.2000
'Oh Charlie'LargeMed-GreenMarginalYellowTC SportJulyZiarek, Ken--NR--
'Oh Cindy'MediumLight-Green--Nat-SportJulyBenedict, Dr Ralph (Herb)--NR--
'Oh My Heart'MediumMed-Green--UnknownJulyLydell, Ransom.2001
'Oh! Susanna'MediumBlue/Green--HybridJune into JulyReuter, Laurence & Gilligan, Madelon.2015
'Oh! Them Golden Slippers'LargeYellow--HybridJulyElslager, Ed.2002
'O'Harra'SmallYellow--UnknownJulyO'Harra, Russ & Walek, Kevin.2009
'Ohh! Blue Beacon'SmallBlue/Green--UnknownJune into JulySchulz, Ed.2013
'Ohh! Blue Bounty'LargeBlue/Green--UnknownJune into JulySchulz, Ed.2011
'Ohh! Blue Granite'MediumBlue/Green--UnknownJune into JulySchulz, Ed.2018
'Ohh! Charlotte!'LargeYellow--UnknownJune into JulySchulz, Ed.2012
'Ohh! Clare'LargeYellow--UnknownJuly into AugustSchulz, Ed.2016
'Ohh! Elvira'LargeYellow--UnknownJuly into AugustSchulz, Ed.2016
'Ohh! His Blue Eyes'LargeBlue/Green--UnknownJune into JulySchulz, Ed.2017
'Ohh! Jewell'LargeYellow--UnknownJune into JulySchulz, Ed.2017
'Ohh! Lovilia'LargeYellow--UnknownJune into JulySchulz, Ed.2015
'Ohh! Richland Reward'MediumYellowMarginalWhiteTC SportJuly into AugustSchulz, Ed--NR--
'Ohh! Tut's Treasure'MediumDark-GreenMarginalYellowNat-SportJune into JulySchulz, Ed--NR--
'Ohh! Viola'MediumYellow--UnknownJune into JulySchulz, Ed.2015
'OHS Juno'MediumBlue/Green--Nat-SportJuly into AugustOntario Hosta Society--NR--
'OHS Love in the Mist'MediumBlue/GreenMedialWhiteTC SportJune into JulyLasek, Robert & Ontario Hosta Society.2008
'OHS Margot's Delight'MediumBlue/Green--Nat-SportJuly into AugustOntario Hosta Society--NR--
'Oil Paint'MediumDark-GreenStreakedYellowHybridJuly into AugustVan Eechaute, Danny.2013
'Okaydokey'MediumYellowMarginalDark GreenNat-SportJuly into AugustWalters Gardens & Walek, Kevin.2009
'Okefenokee'MediumMed-GreenMarginalYellowNat-SportJuly into AugustBenedict, Dr R. (Herb) & Walek, Kevin.2009
'Old Bill'GiantBlue/Green--HybridJune into JulyGilligan, Madelon.2012
'Old Black Magic'MediumDark-Green--HybridJulyElslager, Ed.1999
'Old Coot'SmallDark-Green--HybridJulyJohnson, Greg.2004
'Old Glory'LargeYellowMarginalBlue-GreenNat-SportJune into JulyHansen, Hans & Shady Oaks Nursery.1999
'Old Hump Back'LargeDark-Green--HybridJune into JulyWade, Van.1999
'Old Ironsides'GiantLight-Green--Nat-SportJulySummers, Alex--NR--
'Old Smoky'LargeMed-Green--HybridJune into JulyMcDonell, Harold.2014
'Olga Gibosa'LargeMed-Green--UnknownJuly into AugustWade, Van--NR--
'Olive Branch'MediumMed-GreenMedialYellowTC SportJulyMoldovan, Steve & Ruh, Peter & Jean.2008
'Olive's Freckles'GiantMed-Green--UnknownJulyPauley, Olive--NR--
'Olympic Edger'SmallMed-GreenMarginalYellowNat-SportJune into JulyNaylor Creek Nursery.1999
'Olympic Fab Five'MediumYellow--UnknownJuly into AugustFreeman, Franc.2012
'Olympic Glacier'MediumDark-GreenMarginalYellowNat-SportJuly into AugustNaylor Creek Nursery.2005
'Olympic Gold'MediumYellow--UnknownJuly into AugustBanyai, Pauline.1986
'Olympic Gold Medal'MediumYellow--Nat-SportJuly into AugustFransen, Marco & Naylor Creek Nursery--NR--
'Olympic Magic'MediumLight-GreenStreakedSpecklesNat-SportJulyNaylor Creek Nursery--NR--
'Olympic Silver Medal'MediumBlue/Green--Nat-SportJuly into AugustFransen, Marco & Naylor Creek Nursery--NR--
'Olympic Sunrise'MediumBlue/GreenMedialYellowNat-SportJuly into AugustNaylor Creek Nursery.2005
'Olympic Torch'LargeYellow--HybridJuly into AugustGoodwin, Randy.2009
'Olympic Twilight'MediumBlue/GreenMarginalYellowNat-SportJuly into AugustNaylor Creek Nursery--NR--
'On Fire'MediumBlue/GreenStreakedYellowTC SportJuly into AugustZilis, Mark.2011
'On Golden Pond'GiantDark-GreenMarginalYellowHybridJulyElslager, Ed.2005
'On Parade'MiniatureLight-GreenMedialWhiteHybridJulyMalloy, Alex.2003
'One and Only'LargeYellow--HybridJune into JulyWard, Dr Dick & Jane.2015
'One Fine Day'MediumMed-GreenMarginalYellowHybridJune into JulyWard, Dr Dick & Jane.2012
'One Iota'SmallBlue/GreenMarginalWhiteTC SportJulyAnderson, Jim--NR--
'One Iota Supreme'SmallBlue/GreenStreakedWhiteNat-SportJulySchwarz, Jim--NR--
'One Last Dance'LargeDark-GreenMarginalYellowTC SportJulyHansen, Hans & Walters Gardens, Inc.--NR--
'Ooh La La'MediumBlue/GreenMedialYellowHybridJulyElslager, Ed.2000
'OOME'LargeBlue/GreenStreakedSpecklesHybridJuly into AugustGussman, C..2009
'Opal Scepter'SmallYellowStreakedWhiteNat-SportJulyMeyer, Bill--NR--
'Open Hearted'GiantBlue/Green--UnknownJulyWade, Van.1999
'Opipara'MediumMed-GreenMarginalYellowUnknownJuly into AugustMaekawa, Dr Fumio & AHS.2002
'Ops'SmallDark-GreenMedialWhiteHybridJulyMalloy, Alex.2001
'Oracle'GiantMed-Green--UnknownJune into JulyWard, Dr Dick & Jane.2003
'Orange Crush'MediumMed-GreenMarginalCreamy WhiteHybridJulyElslager, Ed.2000
'Orange Joy'SmallYellow--HybridJulyCarpenter, Kate.1979
'Orange Marmalade'LargeMed-GreenMedialWhiteNat-SportJuly into AugustSolberg, Robert.2002
'Orange Rose'SmallDark-GreenMedialYellowNat-SportJune into JulyMcHugh, Ed.2012
'Orange Slices'MediumYellow--TC SportJuly into AugustZilis, Mark.2003
'Orange Star'MediumYellow--Nat-SportJuly into Augustvan den Top, Jan--NR--
'Oreo Cream'MediumDark-GreenMedialWhiteNat-SportJuly into AugustZiarek, Ken--NR--
'Oriana'MediumMed-Green--Nat-SportJuly into AugustSmith, Eric--NR--
'Orinoco Flow'MediumMed-Green--HybridJuly into AugustCross, Peter.2002
'Orion's Belt'LargeBlue/Green--UnknownJulyWard, Dr Dick & Jane.2003
'Orphan Annie'MiniatureMed-GreenMarginalWhiteUnknownJulyUnknown--NR--
'Orphan Train Rider'SmallLight-Green--UnknownJuly into AugustKwick, Charles.2017
'Orphan Train Ruffian'MediumDark-Green--HybridJuly into AugustKwick, Charles.2017
'Osprey'MediumBlue/Green--UnknownJune into JulySmith, Eric & BHHS.1988
'Otara's Angel'LargeDark-GreenMarginalYellowNat-SportJune into JulyJohns, Eddie--NR--
'Otome-no-mai'MiniatureMed-GreenMedialWhiteHybridJulyTanaka, Katsuyoshi--NR--
'Out of the Blue'GiantBlue/GreenStreakedWhiteHybridJulyElslager, Ed.2003
'Outer Limits'MediumMed-GreenMedialSpecklesNat-SportJuly into AugustBennerup, Pierre.2000
'Outer Space'SmallLight-GreenMarginalWhiteNat-SportJulyMalloy, Alex.2003
'Outhouse Delight'SmallMed-GreenStreakedSpecklesHybridJulyAvent, Tony.1999
'Outrageous'LargeDark-GreenStreakedWhiteHybridJulyBenedict, Dr R. (Herb) & Walek, Kevin.2009
'Outrageous Dragon'-Dark-GreenStreakedWhiteHybridJuly into AugustKuenster, Rod.2010
'Outrigger'LargeMed-GreenStreakedSpecklesHybridJulyElslager, Ed.2000
'Ovalwood'LargeBlue/Green--HybridJulyBeilstein, Doug & Mardy.2012
'Ovation'MediumYellow--HybridJulyFafard, Serge--NR--
'Over the Moon'MediumMed-GreenMarginalWhiteHybridJune into JulyWard, Dr Dick & Jane.2010
'Over the Rainbow'LargeMed-GreenStreakedSpecklesHybridJune into JulyElslager, Ed.2005
'Owen Online'LargeDark-GreenMedialYellowNat-SportJulySnyder, Ron.1998
'Oxheart'MediumMed-Green--HybridJune into JulyMinks, Eldren.1976
'Oxymoron'SmallBlue/GreenMarginalWhiteNat-SportJulyHarle, Dennis--NR--
'Ozark Welcome'MediumLight-GreenMedialYellowNat-SportJune into JulyHelsley, Calvin.2004
'Ozzfest'MediumMed-GreenStreakedWhiteNat-SportJulyZilis, Mark--NR--
 
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