| Hosta | Cosmic Rain |
| Status | registered |
| Originator(s) | Rod Kuenster 2013 |
| Origin | 'Frosted Morning' x 'Beer Belly Blues' |
| Size category | |
| Plant height x width | 53x100 cm (21x39 in.) |
| Leaf length x width | 22x13 cm (9x5 in.) |
| Vein pairs | 12-14 |
| Leaf color | |
| Variegation | streaked, unstable |
| Leaf | a bit rippled margin, a bit shiny, a bit cupped, a bit wavy, a bit corrugated |
| Petiole | streaked |
| Scape | green with yellow streaks |
| Scape height | 110 cm (43 in.) |
| Flower | pale lavender,striped |
| Flower length | 5 cm (2 in.) |
| Fragrant | |
| Flowering period | August |
| Fertile | yes |
| Pod | streaked |
| Ploidy | |
| Patents | |
| Info | |
| Sports | |
| Progeny | |