| Hosta | Blue Lagoon |
| Status | registered |
| Originator(s) | Fleeta Brownell Woodroffe 1972 |
| Origin | 'Tokudama' seedling |
| Size category | medium |
| Plant height x width | 30x60 cm (12x24 in.) |
| Leaf length x width | 20x10 cm (8x4 in.) |
| Vein pairs | 9 |
| Leaf color | blue-gray |
| Variegation | |
| Leaf | heavy, round early |
| Petiole | |
| Scape | |
| Scape height | 50 cm (20 in.) |
| Flower | white |
| Flower length | |
| Fragrant | |
| Flowering period | |
| Fertile | |
| Pod | |
| Ploidy | |
| Patents | |
| Info | Blue-gray, round with abrupt tip early, more elongate with long pointed tip later; heavy texture. |
| Sports | |
| Progeny | |