| No. | Cultivar Name | Leaf Color | Variegation | Var Color | Origin | Flower Color | Season | Source | Registered |
|
1
| 'Jack of Spades' | Dark-Green | | - | Sport | Med-Lavender | July | Van Eechaute, Danny & Fransen, Marco & Fransen, Joyce | --NR-- |
|
2
| 'Jade Beauty' | Med-Green | | - | TC Sport | Pale-Lavender | July | Zilis, Mark | .1988 |
|
3
| 'Janet Day' | Light-Green | Marginal | Green | Sport | Pale-Lavender | July | Soules, Marjorie | .1996 |
|
4
| 'Je me souviens' | Med-Green | Marginal | White | Unknown | Unknown | June into July | Asch, Stuart | .2009 |
|
5
| 'Jigger's Gift' | Blue/Green | | - | Unknown | Unknown | August to September | Postlewaite, Peter | .2008 |
|
6
| 'Jim Boldt' | Blue/Green | | - | Hybrid | Near-White | July into August | Graves, Butch | .2017 |
|
7
| 'Jipson Place Summer Solstice' | Yellow | | - | Unknown | Pale-Lavender | June into July | Butler, Dick & Street, Dr Jamie | .2016 |
|
8
| 'Jipson Place Tree Top Lover' | Blue/Green | | - | Unknown | Unknown | June into July | Butler, Dick & Street, Dr Jamie | .2016 |
|
9
| 'Job' | Blue/Green | | - | Hybrid | Unknown | June to July to August | Hermens, Pieter | .2012 |
|
10
| 'Joker' | Med-Green | Marginal | Yellow | Sport | Pale-Lavender | July into August | Van Vliet, Arie & Walek, Kevin & The American Hosta Society | .2009 |
|
11
| 'Joyful' | Med-Green | Marginal | White | TC Sport | Light-Purple | July into August | Zilis, Mark | .2003 |
|
12
| 'Judith' | Light-Green | | - | Unknown | Light-Purple | July into August | Gasparino, Judith | .2017 |
|