Cultivar NamePlant SizeLeaf ColorVariegationVar ColorOriginSeasonSourceRegistered
'October Sky'MediumBlue/Green--HybridAugust to SeptemberDean, Don.2008
'Ogon Amagi Iwa'MediumDark-Green--Nat-SportSeptemberUnknown & Walek, Kevin.2009 .2018
'Ogon Iwa'MediumYellow--UnknownAugust to SeptemberUnknown--NR--
'OHS Calamari'SmallMed-GreenMedialWhiteTC SportAugust to SeptemberLasek, Robert & Ontario Hosta Society.2008
'Okazaki'SmallMed-Green--HybridAugust to SeptemberSugita, Hajime & Ruh, Peter & Jean.2002
'Oshima Silk'MediumMed-GreenMarginalWhiteHybridAugust to SeptemberShimizu, Toshirou & Zilis, Mark.2009
'Ototo San'MiniatureDark-GreenMarginalWhiteUnknownAugust to SeptemberRuh, Peter.1990 .2018
'Over the Waves'MediumBlue/Green--UnknownAugust to SeptemberBenedict, Dr R. (Herb) & Dorothy & Kuenster, Rod.2010
 
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