No.Medium Size HostasLeaf ColorVariegationVar ColorOriginFlower ColorSeasonSourceRegistered
1 'L'lle d'Orleans'Light-Green--UnknownNear-White-Bastille, Jocelyne--NR--
2 'O Kanzashi'Med-Green--SportLight-Purple-Unknown--NR--
3 'Oberland Blue Dimension'Blue/Green--Hybrid--Rank, Stefan--NR--
4 'Oberland Darkness'Dark-Green--Hybrid--Rank, Stefan--NR--
5 'Oberland Spring Air'Med-GreenMedialWhiteSportPure-WhiteJuly into AugustRank, Stefan.2013
6 'Oberland Thin Line'Blue/GreenMarginalYellowSportPale-LavenderJuly into AugustRank, Stefan--NR--
7 'Obi-Wan Kenobi'Med-GreenMedialYellowNat-SportLight-PurpleAugustVandekinderen, Gino--NR--
8 'Obsession'Med-GreenMarginalGreenish WhiteSportLight-PurpleAugustAvent, Tony.1998
9 'Ocean Isle Blue'Blue/Green  Unknown  Chopko, Dave--NR--
10 'Ocean Isle Gold Dust'Light-GreenMedialYellowSportMed-LavenderJuly into AugustChopko, Dave--NR--
11 'Ocean Isle Tide Line'Dark-GreenMedialWhiteUnknown  Chopko, Dave--NR--
12 'Ocean Isle Tie Dye'YellowMedialGreenSportPale-LavenderJuneChopko, Dave--NR--
13 'Ocean Isle Tornado'Med-GreenMedialWhiteSportMed-LavenderJuly into AugustChopko, Dave--NR--
14 'Ocean Isle Twist'Dark-GreenMedialWhiteSportPale-LavenderJuly into AugustChopko, Dave.2006
15 'October Fest'Blue/GreenMarginalYellowTC SportLight-PurpleJune into JulyVan den Top, Jan--NR--
16 'October Sky'Blue/Green--HybridNear-WhiteAugust to SeptemberDean, Don.2008
17 'Odd Ball'Blue/Green--HybridNear-WhiteJulyBenedict, Dr Ralph (Herb).1995
18 'Odd Goddess'Med-Green--HybridPale-LavenderJune into JulyKwick, Charles.2017
19 'Oddity Prize'YellowMedialWhiteUnknown  Meyer, Bill--NR--
20 'Oder'Blue/Green--UnknownMed-LavenderJuly into AugustKlose, Heinz--NR--
21 'Odyssey'Dark-GreenStreakedSpecklesHybrid-JulyArnold, Beth.1999
22 'Oga'Med-Green--HybridMed-LavenderAugustUnknown--NR--
23 'Ogon Amagi Iwa'Dark-Green--SportLight-PurpleSeptemberUnknown & Walek, Kevin.2009 .2018
24 'Ogon Baran'Yellow--HybridLight-PurpleJulyUnknown--NR--
25 'Ogon Iwa'Yellow--UnknownMed-LavenderAugust to SeptemberUnknown--NR--
26 'Ogon Kanzashi'Yellow--HybridDeep-PurpleJune into JulyUnknown--NR--
27 'Ogon Oba'Yellow--SportPale-LavenderJulyUnknown--NR--
28 'Ogon Sagae'Yellow--UnknownPale-LavenderJuly into AugustUnknown--NR--
29 'Ogon Setouchi'Yellow--Sport--Unknown--NR--
30 'Ogon Tsushima'Yellow--UnknownLight-PurpleJuly into AugustUnknown & Ruh, Peter.2002 .2018
31 'Ogon Urajiro'Yellow--Unknown--Unknown--NR--
32 'Oh Audrey'Light-GreenMarginalWhiteSportPure-WhiteJune into JulySilvers, Bill.2013
33 'Oh Cindy'Light-Green--SportPale-LavenderJulyBenedict, Dr Ralph (Herb)--NR--
34 'Oh Henry'Blue/GreenStreakedYellowUnknown--Unknown--NR--
35 'Oh My Heart'Med-Green--UnknownLight-PurpleJulyLydell, Ransom.2001
36 'Oh! Susanna'Blue/Green--HybridMed-LavenderJune into JulyReuter, Laurence & Gilligan, Madelon.2015
37 'Ohh! Alpha'Yellow--Unknown--Schulz, Ed.2009
38 'Ohh! Blue Granite'Blue/Green--UnknownNear-WhiteJune into JulySchulz, Ed.2018
39 'Ohh! Richland Reward'YellowMarginalWhiteTC SportPale-LavenderJuly into AugustSchulz, Ed--NR--
40 'Ohh! Tut's Treasure'Dark-GreenMarginalYellowSportNear-WhiteJune into JulySchulz, Ed--NR--
41 'Ohh! Ultra Aqua'Blue/Green--Unknown--Schulz, Ed--NR--
42 'Ohh! Viola'Yellow--UnknownNear-WhiteJune into JulySchulz, Ed.2015
43 'Ohio River'Med-Green--Hybrid--Beilstein, Doug & Malloy, Alex--NR--
44 'OHS Bryan's Blue'Blue/Green--Hybrid--Ontario Hosta Society--NR--
45 'OHS Butter Pat'---Hybrid--Ontario Hosta Society--NR--
46 'OHS Juno'Blue/Green--SportPale-LavenderJuly into AugustOntario Hosta Society--NR--
47 'OHS Love in the Mist'Blue/GreenMedialWhiteTC SportNear-WhiteJune into JulyLasek, Robert & Ontario Hosta Society.2008
48 'OHS Margot's Delight'Blue/Green--SportPale-LavenderJuly into AugustOntario Hosta Society--NR--
49 'Oil Paint'Dark-GreenStreakedYellowHybridPale-LavenderJuly into AugustVan Eechaute, Danny.2013
50 'Ojibway'Blue/Green--Unknown--Wade, Van--NR--
51 'Okaydokey'YellowMarginalDark GreenSportPale-LavenderJuly into AugustWalters Gardens & Walek, Kevin.2009
52 'Okeanos'Dark-GreenStreakedWhiteUnknown  Leuckx, Bart--NR--
53 'Okefenokee'Med-GreenMarginalYellowSportPale-LavenderJuly into AugustBenedict, Dr Ralph (Herb) & Walek, Kevin.2009
54 'Okukuji Nakafu Iwa'Dark-GreenMedialYellowUnknown--Hisashi--NR--
55 'Old Black Magic'Dark-Green--HybridPale-LavenderJulyElslager, Ed.1999
56 'Old Blue Eyes'Blue/Green  UnknownPale-LavenderJulyGoodwin, Randy.2021
57 'Old Gold Edge'Dark-GreenMarginalYellowUnknown--Tompkins, Cynthia--NR--
58 'Olive Branch'Med-GreenMedialYellowTC SportPale-LavenderJulyMoldovan, Steve & Ruh, Peter & Ruh, Jean.2008
59 'Olive Oil'Yellow--HybridPale-Lavender-Dishon, Jim.1996
60 'Oliver Garden'Med-GreenStreakedWhiteUnknown--Unknown--NR--
61 'Olivia'Blue/Green--UnknownNear-White-Schwarz, Jim--NR--
62 'Olympic Fab Five'Yellow--Unknown-July into AugustFreeman, Franc.2012
63 'Olympic Glacier'Dark-GreenMarginalYellowSportMed-LavenderJuly into AugustNaylor Creek Nursery.2005
64 'Olympic Gold'Yellow--UnknownNear-WhiteJuly into AugustBanyai, Pauline.1986
65 'Olympic Gold Medal'Yellow--SportPale-LavenderJuly into AugustFransen, Marco & Naylor Creek Nursery--NR--
66 'Olympic Magic'Light-GreenStreakedSpecklesSportPale-LavenderJulyNaylor Creek Nursery--NR--
67 'Olympic Silver Medal'Blue/Green--SportPale-LavenderJuly into AugustFransen, Marco & Naylor Creek Nursery--NR--
68 'Olympic Sunrise'Blue/GreenMedialYellowSportPale-LavenderJuly into AugustNaylor Creek Nursery.2005
69 'Olympic Twilight'Blue/GreenMarginalYellowSportPale-LavenderJuly into AugustNaylor Creek Nursery--NR--
70 'On Fire'Blue/GreenStreakedYellowTC SportLight-PurpleJuly into AugustZilis, Mark.2011
71 'On the Border'Med-GreenMarginalWhiteHybridPale-LavenderAugustBeilstein, Doug.2007
72 'On the Edge'Light-GreenMarginalBlue-GreenSportNear-WhiteJuneScolnik, Patricia--NR--
73 'On the Marc'Med-GreenMedialYellowSportLight-PurpleAugustLaviana, Marc & Malloy, Alex.1999
74 'Once upon a Time'Med-GreenMarginalWhiteHybridNear-WhiteAugustWilkins, Dr Jim & Wilkins, Sandy.2002
75 'One Fine Day'Med-GreenMarginalYellowHybridNear-WhiteJune into JulyWard, Dr Dick & Ward, Jane.2012
76 'One Man's Treasure'Dark-Green--SportLight-PurpleAugust to OctoberBenedict, Dr Ralph (Herb) & Solberg, Robert.1999
77 'Oneida'Med-Green--Unknown--Wade, Van--NR--
78 'Only Time'Yellow  HybridMed-Lavender Van den Top, Jan--NR--
79 'Only You'Med-GreenMarginalWhiteHybrid--Ward, Dr Dick & Ward, Jane.2012
80 'Onoda Type II'Dark-Green  Unknown  Onoda--NR--
81 'Ooh La La'Blue/GreenMedialYellowHybridLight-PurpleJulyElslager, Ed.2000
82 'Ooshima-jishi'Med-GreenMedialYellowUnknown  Unknown--NR--
83 'Ophir'Light-Green--UnknownPale-Lavender-Fischer, Dr Ulrich--NR--
84 'Opipara'Med-GreenMarginalYellowUnknownPale-LavenderJuly into AugustMaekawa, Dr Fumio & The American Hosta Society.2002
85 'Opipara Koriyama'Med-GreenMarginalWhiteUnknownLight-PurpleAugustUnknown--NR--
86 'Oplosa'Blue/GreenMarginalCreamy WhiteUnknown--Unknown--NR--
87 'Orange Crush'Med-GreenMarginalCreamy WhiteHybridPale-LavenderJulyElslager, Ed.2000
88 'Orange Slices'Yellow--TC SportPale-LavenderJuly into AugustZilis, Mark.2003
89 'Orange Star'Yellow--SportPale-LavenderJuly into AugustVan den Top, Jan--NR--
90 'Oreo Cream'Dark-GreenMedialWhiteSportPale-LavenderJuly into AugustZiarek, Ken--NR--
91 'Oriana'Yellow--SportPale-LavenderJuly into AugustSmith, Eric--NR--
92 'Orinoco Flow'Med-Green--HybridPale-LavenderJuly into AugustCross, Peter.2002
93 'Orphan Child'Med-Green--UnknownLight-PurpleJuneBanyai, Pauline & DaPra, Sarah.2000
94 'Orphan Train Ruffian'Dark-Green--HybridPale-LavenderJuly into AugustKwick, Charles.2017
95 'Orphan Train Twins'Dark-Green  HybridPale-LavenderJulyKwick, Charles.2021
96 'Oshima Silk'Med-GreenMarginalWhiteHybridLight-PurpleAugust to SeptemberShimizu, Toshirou & Zilis, Mark.2009
97 'Osiris Folichon'Med-Green--UnknownPale-LavenderAugustFafard, Serge--NR--
98 'Osiris Insomniaque'Med-GreenStreakedYellowUnknown--Fafard, Serge--NR--
99 'Osiris Pacha'Med-GreenMarginalYellowUnknown--Fafard, Serge--NR--
100 'Osiris Prestige'Dark-GreenMedialWhiteUnknownPale-Lavender-Fafard, Serge--NR--
101 'Osprey'Blue/Green--UnknownPure-WhiteJune into JulySmith, Eric & British Hosta and Hemerocallis Society.1988
102 'Otome-no-Ka'Dark-Green--UnknownLight-PurpleAugustWatanabe, Kenji & Ruh, Peter.2002
103 'Our Child'Dark-GreenMarginalYellowUnknown--Unknown--NR--
104 'Out of This World'Dark-Green -HybridLight-PurpleJuneGoodwin, Randy.2020
105 'Outer Limits'Med-GreenMedialSpecklesSportPale-LavenderJuly into AugustBennerup, Pierre.2000
106 'Ovation'Yellow--HybridPale-LavenderJulyFafard, Serge--NR--
107 'Over the Moon'Med-GreenMarginalWhiteHybrid-June into JulyWard, Dr Dick & Ward, Jane.2010
108 'Over the Waves'Blue/Green--Unknown-August to SeptemberBenedict, Dr Ralph (Herb) & Kuenster, Rod.2010
109 'Owens Outrage'Light-Green--UnknownMed-Lavender-Moore, Jeff--NR--
110 'Oxheart'Med-Green--HybridPale-LavenderJune into JulyMinks, Eldren.1976
111 'Oyo Como Va'Med-Green--Unknown--Bastille, Jocelyne--NR--
112 'Oyster Crackers'---Unknown--Ziarek, Ken--NR--
113 'Ozark Welcome'Light-GreenMedialYellowSportPale-LavenderJune into JulyHelsley, Calvin.2004
114 'Oze Shirobana Mizu'Med-Green--SportLight-PurpleAugust to OctoberUnknown--NR--
115 'Ozzfest'Med-GreenStreakedWhiteSportNear-WhiteJulyZilis, Mark--NR--

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