| No. | Cultivar Name | Plant Size | Leaf Color | Variegation | Var Color | Origin | Flower Color | Season | Source | Registered |
|
1
| 'Jack Be Nimble' | Large | Blue/Green | - | - | Hybrid | - | - | Goodenough, Rick | --NR-- |
|
2
| 'Jack Berry' | Large | Blue/Green | - | - | Hybrid | - | - | Goodenough, Rick | --NR-- |
|
3
| 'Jack's Gene' | Medium | Med-Green | - | - | Hybrid | Med-Lavender | July into August | Goodenough, Rick & Gilligan, Madelon | .2015 .2018 |
|
4
| 'James A. Garfield' | Medium | Dark-Green | - | - | Hybrid | Pale-Lavender | August to October | Sugita, Hajime & Ruh, Peter | .2003 |
|
5
| 'James Madison' | Medium | Med-Green | - | - | Hybrid | Light-Purple | August to October | Sugita, Hajime & Ruh, Peter | .2005 |
|
6
| 'Jane's Blush' | Medium | Blue/Green | - | - | Unknown | - | - | Solberg, Robert | --NR-- |
|
7
| 'Japanese Red Scape' | - | - | - | - | Unknown | - | - | Unknown | --NR-- |
|
8
| 'Jim Hawes' | Medium | Yellow | - | - | Hybrid | Med-Lavender | August to October | Hawes, James & Brill, Kirk | --NR-- |
|
9
| 'Jimmy Redd' | | - | | - | Unknown | - | - | Unknown | --NR-- |
|
10
| 'Joan's Joy' | | Med-Green | Medial | Yellow | Unknown | | | Schulz, Ed | --NR-- |
|
11
| 'John D. Barnot' | Large | Med-Green | - | - | Unknown | Med-Lavender | July into August | Zolock, Steve & Zolock, Sarah | .2008 |
|
12
| 'Johnnie Walker Red' | - | Med-Green | - | - | Unknown | - | - | Van Ostrand, John | --NR-- |
|
13
| 'Jyunpakuka-akebono' | Large | Med-Green | - | - | Sport | Pure-White | July into August | Unknown | --NR-- |
|