| No. | Cultivar Name | Plant Size | Leaf Color | Variegation | Var Color | Origin | Flower Color | Season | Source | Registered |
|
1
| 'Occupy Wall Street' | Small | Blue/Green | Marginal | White | Unknown | - | July into August | Freeman, Franc | .2012 |
|
2
| 'Oceans Away' | Giant | Blue/Green | - | - | Unknown | - | June into July | Hanson, Curt | --NR-- |
|
3
| 'Oceans Blue' | Large | Blue/Green | - | - | Unknown | - | July into August | Schmidt, Bevie | .2009 |
|
4
| 'Ogon Iwa' | Medium | Yellow | - | - | Unknown | Med-Lavender | August to September | Unknown | --NR-- |
|
5
| 'Ogon Kuro' | Giant | Yellow | - | - | Sport | Pale-Lavender | July into August | Unknown | --NR-- |
|
6
| 'Ohh! Blue Beacon' | Small | Blue/Green | - | - | Unknown | Near-White | June into July | Schulz, Ed | .2013 |
|
7
| 'Ohh! Blue Bounty' | Large | Blue/Green | - | - | Unknown | Near-White | June into July | Schulz, Ed | .2011 |
|
8
| 'Ohh! Charlotte!' | Large | Yellow | - | - | Unknown | - | June into July | Schulz, Ed | .2012 |
|
9
| 'Ohh! Clare' | Large | Yellow | - | - | Unknown | - | July into August | Schulz, Ed | .2016 |
|
10
| 'Ohh! His Blue Eyes' | Large | Blue/Green | - | - | Unknown | Med-Lavender | June into July | Schulz, Ed | .2017 |
|
11
| 'Ohh! Lovilia' | Large | Yellow | - | - | Unknown | Near-White | June into July | Schulz, Ed | .2015 |
|
12
| 'Ohh! Valeria' | Large | Yellow | - | - | Unknown | - | - | Schulz, Ed | .2009 |
|
13
| 'Oil Paint' | Medium | Dark-Green | Streaked | Yellow | Hybrid | Pale-Lavender | July into August | Van Eechaute, Danny | .2013 |
|
14
| 'Ojibway' | Medium | Blue/Green | - | - | Unknown | - | - | Wade, Van | --NR-- |
|
15
| 'Old Blue Eyes' | Medium | Blue/Green | | | Unknown | Pale-Lavender | July | Goodwin, Randy | .2021 |
|
16
| 'Old Hump Back' | Large | Dark-Green | - | - | Hybrid | Pale-Lavender | June into July | Wade, Van | .1999 |
|
17
| 'Old Smoky' | Large | Med-Green | - | - | Hybrid | Near-White | June into July | McDonell, Harold | .2014 |
|
18
| 'Olympic Magic' | Medium | Light-Green | Streaked | Speckles | Sport | Pale-Lavender | July | Naylor Creek Nursery | --NR-- |
|
19
| 'Olympic Torch' | Large | Yellow | - | - | Hybrid | - | July into August | Goodwin, Randy | .2009 |
|
20
| 'On Golden Pond' | Giant | Dark-Green | Marginal | Yellow | Hybrid | Near-White | July | Elslager, Ed | .2005 |
|
21
| 'One and Only' | Large | Yellow | - | - | Hybrid | Pale-Lavender | June into July | Ward, Dr Dick & Ward, Jane | .2015 |
|
22
| 'One Fine Day' | Medium | Med-Green | Marginal | Yellow | Hybrid | Near-White | June into July | Ward, Dr Dick & Ward, Jane | .2012 |
|
23
| 'OOME' | Large | Blue/Green | Streaked | Speckles | Hybrid | - | July into August | Gussman, Christopher | .2009 |
|
24
| 'Oracle' | Giant | Med-Green | - | - | Unknown | - | June into July | Ward, Dr Dick & Ward, Jane | .2003 |
|
25
| 'Osiris Le Petit Roi' | Miniature | Med-Green | Marginal | Yellow | Unknown | | | Fafard, Serge | --NR-- |
|
26
| 'Out of the Blue' | Giant | Blue/Green | Streaked | White | Hybrid | Pale-Lavender | July | Elslager, Ed | .2003 |
|
27
| 'Outrageous Dragon' | - | Dark-Green | Streaked | White | Hybrid | - | July into August | Kuenster, Rod | .2010 |
|
28
| 'Over the Rainbow' | Large | Med-Green | Streaked | Speckles | Hybrid | Near-White | June into July | Elslager, Ed | .2005 |
|
29
| 'Over Yu Wu' | Giant | Light-Green | | | Hybrid | Near-White | July into August | Daughenbaugh, Walt | .2021 |
|