| Hosta | Big Mo |
| Status | registered |
| Originator(s) | Ray Stephens 1990 |
| Origin | montana seedling |
| Size category | xtra large |
| Plant height x width | 60x130 cm (24x51 in.) |
| Leaf length x width | 36x27 cm (14x11 in.) |
| Vein pairs | 17 |
| Leaf color | dark blue-green |
| Variegation | |
| Leaf | rugose |
| Petiole | |
| Scape | |
| Scape height | 85 cm (33 in.) |
| Flower | pale lavender |
| Flower length | |
| Fragrant | |
| Flowering period | |
| Fertile | |
| Pod | |
| Ploidy | |
| Patents | |
| Info | Dark blue-green; heavily rugose. |
| Sports | |
| Progeny | |