| Hosta | Sea Blue |
| Status | registered |
| Originator(s) | Mildred Seaver 1978 |
| Origin | 'Frances Williams' seedling |
| Size category | medium |
| Plant height x width | |
| Leaf length x width | 53x24 cm (21x9 in.) |
| Vein pairs | 13 |
| Leaf color | blue-green |
| Variegation | |
| Leaf | cordate, heavy, rugose |
| Petiole | |
| Scape | |
| Scape height | 60 cm (24 in.) |
| Flower | white,flared |
| Flower length | |
| Fragrant | |
| Flowering period | July |
| Fertile | yes |
| Pod | |
| Ploidy | |
| Patents | |
| Info | |
| Sports | |
| Progeny | |