| No. | Miniature Size Hostas | Leaf Color | Variegation | Var Color | Origin | Flower Color | Season | Source | Registered |
|
1
| 'Japangirl' | Med-Green | | - | Hybrid | Unknown | - | Kohlein, Fritz | --NR-- |
|
2
| 'Jennifer Bailey' | Med-Green | Marginal | White | Unknown | Deep-Purple | July into August | Lachman, Eleanor & Schmid, Tom | .2001 |
|
3
| 'Jewel Box' | Dark-Green | Marginal | White | Unknown | Light-Purple | July into August | Goodwin, Randy | .2017 |
|
4
| 'Judith' | Light-Green | | - | Unknown | Light-Purple | July into August | Gasparino, Judith | .2017 |
|
5
| 'Jules' | Med-Green | Marginal | Yellow | Sport | Pale-Lavender | July into August | Ford, Richard & Ford, Mary | .2009 |
|
6
| 'Jumbo Mouse Ears' | Blue/Green | | - | Sport | Pale-Lavender | June into July | Philips, Hugo | .2011 |
|
7
| 'June Gold' | Yellow | | - | Sport | Unknown | - | Anderson, Jim | --NR-- |
|
8
| 'Junonia' | Blue/Green | | | Hybrid | Deep-Purple | - | Proctor, Sue | .2022 |
|
9
| 'Just Go' | Yellow | Marginal | Green | Unknown | Unknown | - | Unknown | --NR-- |
|