Giant Size HostasLeaf ColorVariegationVar ColorOriginFlower ColorSeasonSourceRegistered
'Oceans Away'Blue/Green--Unknown-June into JulyHanson, Curt--NR--
'Oglala'Blue/Green--Unknown--Wade, Van--NR--
'Ogon Kuro'Yellow- Nat-SportPale-LavenderJuly into AugustUnknown--NR--
'Ohh! Blue Bruiser'Blue/Green--UnknownMed-Lavender-Schulz, Ed.2011
'Old Bill'Blue/Green--HybridPale-LavenderJune into JulyGilligan, Madelon.2012
'Old Ironsides'Light-Green--Nat-SportMed-LavenderJulySummers, Alex--NR--
'Old Rough House'Blue/Green--Unknown--Wade, Van--NR--
'Olive Bailey Langdon'Blue/GreenMarginalYellowNat-SportNear-WhiteJuneO'Harra, Russ.1986
'Olive's Freckles'Med-Green--UnknownPale-LavenderJulyPauley, Olive--NR--
'On Golden Pond'Dark-GreenMarginalYellowHybridNear-WhiteJulyElslager, Ed.2005
'Open Hearted'Blue/Green--Unknown-JulyWade, Van.1999
'Oracle'Med-Green--Unknown-June into JulyWard, Dr Dick & Jane.2003
'Osiris Giant Green'Med-Green--Unknown--Fafard, Serge--NR--
'Osiris Illumination'Light-Green--Unknown--Fafard, Serge--NR--
'Out of the Blue'Blue/GreenStreakedWhiteHybridPale-LavenderJulyElslager, Ed.2003
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