No.Giant Size HostasLeaf ColorVariegationVar ColorOriginFlower ColorSeasonSourceRegistered
1 'Oceans Away'Blue/Green--Unknown-June into JulyHanson, Curt--NR--
2 'Oglala'Blue/Green--Unknown--Wade, Van--NR--
3 'Ogon Kuro'Yellow--SportPale-LavenderJuly into AugustUnknown--NR--
4 'Ohh! Blue Bruiser'Blue/Green--UnknownMed-Lavender-Schulz, Ed.2011
5 'Old Bill'Blue/Green--HybridPale-LavenderJune into JulyGilligan, Madelon.2012
6 'Old Ironsides'Light-Green--SportMed-LavenderJulySummers, Alex--NR--
7 'Old Rough House'Blue/Green--Unknown--Wade, Van--NR--
8 'Olive Bailey Langdon'Blue/GreenMarginalYellowSportNear-WhiteJuneO'Harra, Russ.1986
9 'Olive's Freckles'Med-Green--UnknownPale-LavenderJulyPauley, Olive--NR--
10 'On Golden Pond'Dark-GreenMarginalYellowHybridNear-WhiteJulyElslager, Ed.2005
11 'Open Hearted'Blue/Green--Unknown-JulyWade, Van.1999
12 'Oracle'Med-Green--Unknown-June into JulyWard, Dr Dick & Ward, Jane.2003
13 'Osiris Giant Green'Med-Green--Unknown--Fafard, Serge--NR--
14 'Osiris Illumination'Light-Green--Unknown--Fafard, Serge--NR--
15 'Out of the Blue'Blue/GreenStreakedWhiteHybridPale-LavenderJulyElslager, Ed.2003
16 'Over Yu Wu'Light-Green  HybridNear-WhiteJuly into AugustDaughenbaugh, Walt.2021

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