No.Cultivar NameSourcePlant SizeLeaf ColorVariegationVar ColorOriginFlower ColorSeasonRegistered
1 'Occupy Wall Street'Freeman, FrancSmallBlue/GreenMarginalWhiteUnknown-July into August.2012
2 'Ode To Joy'Johnson, GregSmallMed-Green--SportNear-WhiteJuly.2004
3 'O'Harra'O'Harra, Russ & Walek, KevinSmallYellow--UnknownDeep-PurpleJuly.2009
4 'O'Heartland Gold'O'Harra, Russ-Yellow--Unknown----NR--
5 'Ohh! Alpha'Schulz, EdMediumYellow--Unknown--.2009
6 'Ohh! Amber'Schultz, EdSmallDark-GreenMarginalWhiteHybridMed-LavenderJuly into August.2021
7 'Ohh! Blue Beacon'Schulz, EdSmallBlue/Green--UnknownNear-WhiteJune into July.2013
8 'Ohh! Blue Bounty'Schulz, EdLargeBlue/Green--UnknownNear-WhiteJune into July.2011
9 'Ohh! Blue Bruiser'Schulz, EdGiantBlue/Green--UnknownMed-Lavender-.2011
10 'Ohh! Blue Finale'Schultz, EdLargeBlue/Green  UnknownPale-LavenderJune into July.2021
11 'Ohh! Blue Granite'Schulz, EdMediumBlue/Green--UnknownNear-WhiteJune into July.2018
12 'Ohh! Blue Otto'Schulz, EdSmallBlue/Green--Unknown--.2009
13 'Ohh! Charlotte!'Schulz, EdLargeYellow--Unknown-June into July.2012
14 'Ohh! Clare'Schulz, EdLargeYellow--Unknown-July into August.2016
15 'Ohh! Elvira'Schulz, EdLargeYellow--Unknown-July into August.2016
16 'Ohh! His Blue Eyes'Schulz, EdLargeBlue/Green--UnknownMed-LavenderJune into July.2017
17 'Ohh! Jewell'Schulz, EdLargeYellow--UnknownNear-WhiteJune into July.2017
18 'Ohh! Laurel'Schulz, Ed-Yellow--Unknown--.2009
19 'Ohh! Lovilia'Schulz, EdLargeYellow--UnknownNear-WhiteJune into July.2015
20 'Ohh! Ludell'Schulz, EdSmallYellow--Unknown--.2009
21 'Ohh! Powder River Blue'Schulz, EdLargeBlue/Green -UnknownNear-WhiteJune into July.2020
22 'Ohh! Richland Reward'Schulz, EdMediumYellowMarginalWhiteTC SportPale-LavenderJuly into August--NR--
23 'Ohh! Tut's Treasure'Schulz, EdMediumDark-GreenMarginalYellowSportNear-WhiteJune into July--NR--
24 'Ohh! Ultra Aqua'Schulz, EdMediumBlue/Green--Unknown----NR--
25 'Ohh! Valeria'Schulz, EdLargeYellow--Unknown--.2009
26 'Ohh! Viola'Schulz, EdMediumYellow--UnknownNear-WhiteJune into July.2015
27 'Old Coot'Johnson, GregSmallDark-Green--HybridPale-LavenderJuly.2004
28 'Olive Bailey Langdon'O'Harra, RussGiantBlue/GreenMarginalYellowSportNear-WhiteJune.1986
29 'Oliver'O'Harra, RussSmallMed-GreenMarginalWhiteUnknown----NR--
30 'Olivia'Schwarz, JimMediumBlue/Green--UnknownNear-White---NR--
31 'Olympic Fab Five'Freeman, FrancMediumYellow--Unknown-July into August.2012
32 'One Iota Supreme'Schwarz, JimSmallBlue/GreenStreakedWhiteSportLight-PurpleJuly--NR--
33 'Our Friend Reldon'Van Wyke, TrudyLargeBlue/Green--Hybrid----NR--
34 'Outrageous Dragon'Kuenster, Rod-Dark-GreenStreakedWhiteHybrid-July into August.2010

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