| Hosta | Joker |
| Status | registered |
| Originator(s) | Arie van Vliet/AHS/Walek 2009 |
| Origin | 'Fortunei Hyacinthina' sport |
| Size category | medium - large |
| Plant height x width | 60x115 cm (24x45 in.) |
| Leaf length x width | 15x10 cm (6x4 in.) |
| Vein pairs | 5-7 |
| Leaf color | green,(chartreuse>green) edge |
| Variegation | viridescent |
| Leaf | |
| Petiole | |
| Scape | |
| Scape height | |
| Flower | pale lavender |
| Flower length | |
| Fragrant | |
| Flowering period | July - August |
| Fertile | |
| Pod | |
| Ploidy | |
| Patents | |
| Info | ='Fortunei Joker'. ='Jester'. Gray green with a pale yellow edge, streaked in spring only. Pale lavender flowers. 'Fortunei Hyacinthina' with yellow border to greyish leaves greening near season's end. |
| Sports | |
| Progeny | |