| No. | Cultivar Name | Plant Size | Leaf Color | Variegation | Var Color | Origin | Flower Color | Season | Source | Registered |
|
1
| 'Ogon Sudare' | Small | Yellow | | | Unknown | Pale-Lavender | July | Unknown & Ruh, Peter | .2002 .2018 |
|
2
| 'Ogon Tachi' | Large | Light-Green | | | Unknown | Deep-Purple | August | Unknown & Ruh, Peter | .2002 .2018 |
|
3
| 'Ogon Tsushima' | Medium | Yellow | | | Unknown | Light-Purple | July to August | Unknown & Ruh, Peter | .2002 .2018 |
|
4
| 'Okobaji' | Small | Blue/Green | | | Unknown | Unknown | Unknown | Tompkins, Chet & Ruh, Peter & Ruh, Jean | .2008 |
|
5
| 'Old Blue Eyes' | Medium | Blue/Green | | | Unknown | Pale-Lavender | July | Goodwin, Randy | .2021 |
|
6
| 'Old Gnarly' | Large | Blue/Green | | | Hybrid | Pale-Lavender | Unknown | Kruer, George | .2009 |
|
7
| 'Omatsu-san Nishiki' | Small | Light-Green | | | Unknown | Light-Purple | Unknown | Ruh, Peter | .2002 .2018 |
|
8
| 'Origami' | Small | Blue/Green | | | Unknown | Unknown | Unknown | Pace, Glen | --NR-- |
|
9
| 'Orphan Train Twins' | Medium | Dark-Green | | | Hybrid | Pale-Lavender | July | Kwick, Charles | .2021 |
|
10
| 'Out of the Fog' | Miniature | Yellow | Streaked | Green | Hybrid | Unknown | Unknown | Myers, Gary | .2018 |
|
11
| 'Out of This World' | Medium | Dark-Green | | | Hybrid | Light-Purple | June | Goodwin, Randy | .2020 |
|
12
| 'Outrageous Dragon' | Unknown | Dark-Green | Streaked | White | Hybrid | Unknown | July to August | Kuenster, Rod | .2010 |
|