| Hosta | Cosmic Reaction |
| Status | registered |
| Originator(s) | Rod Kuenster 2012 |
| Origin | 'Cosmic Hippie' x 'Fudge Ripple' |
| Size category | |
| Plant height x width | 60x165 cm (24x65 in.) |
| Leaf length x width | 30x24 cm (12x9 in.) |
| Vein pairs | 13-15 |
| Leaf color | blue-green,creamy white edge |
| Variegation | edge |
| Leaf | a bit twisted, a bit wavy, a bit corrugated |
| Petiole | |
| Scape | lavender |
| Scape height | 80 cm (31 in.) |
| Flower | lavender,striped |
| Flower length | 4.5 cm (1.8 in.) |
| Fragrant | |
| Flowering period | June - July |
| Fertile | yes |
| Pod | green |
| Ploidy | |
| Patents | |
| Info | Nice shaped leaf edge with lavender scape. Very nice form with great genes to work with in the breeding program. |
| Sports | |
| Progeny | |