| Hosta | Jon's Gem |
| Status | registered |
| Originator(s) | Handy Hatfield/AHS/Walek 2009 |
| Origin | unknown |
| Size category | small |
| Plant height x width | 38x76 cm (15x30 in.) |
| Leaf length x width | 8x4 cm (3x2 in.) |
| Vein pairs | 4 |
| Leaf color | pale green |
| Variegation | |
| Leaf | |
| Petiole | |
| Scape | |
| Scape height | 40 cm (16 in.) |
| Flower | lavender |
| Flower length | |
| Fragrant | |
| Flowering period | July - August |
| Fertile | |
| Pod | |
| Ploidy | |
| Patents | |
| Info | All green gem of a plant. Good clumper and multiplier. Mound grows 24-30" wide x 10-15" tall. |
| Sports | |
| Progeny | |