| Hosta | Osiris Obscur |
| Status | not registered |
| Originator(s) | Les Jardins Osiris |
| Origin | |
| Size category | large |
| Plant height x width | |
| Leaf length x width | |
| Vein pairs | 13-14 |
| Leaf color | green |
| Variegation | |
| Leaf | corrugated, unruly |
| Petiole | |
| Scape | |
| Scape height | |
| Flower | |
| Flower length | |
| Fragrant | |
| Flowering period | |
| Fertile | |
| Pod | |
| Ploidy | |
| Patents | |
| Info | ='Obscur'. |
| Sports | |
| Progeny | 'Blue Elf' = 'Blue Mouse Ears' x PP |