| Hosta | Ohh! Blue Otto |
| Status | registered |
| Originator(s) | Ed Schulz 2009 |
| Origin | unknown |
| Size category | |
| Plant height x width | 25x50 cm (10x20 in.) |
| Leaf length x width | 18x14 cm (7x6 in.) |
| Vein pairs | 12 |
| Leaf color | blue-green |
| Variegation | |
| Leaf | corrugated, a bit cupped, a bit rippled |
| Petiole | |
| Scape | bluish green |
| Scape height | 30 cm (12 in.) |
| Flower | white |
| Flower length | |
| Fragrant | |
| Flowering period | June - July |
| Fertile | yes |
| Pod | green |
| Ploidy | |
| Patents | |
| Info | Excellent substance. |
| Sports | |
| Progeny | |