| Hosta | Rough Waters |
| Status | registered |
| Originator(s) | Maxine Armstrong 1969 |
| Origin | 'Tokudama' seedling |
| Size category | medium - large |
| Plant height x width | |
| Leaf length x width | 20x18 cm (8x7 in.) |
| Vein pairs | 12 |
| Leaf color | blue-gray |
| Variegation | |
| Leaf | heavy, cupped, rugose |
| Petiole | |
| Scape | |
| Scape height | 50 cm (20 in.) |
| Flower | white |
| Flower length | |
| Fragrant | |
| Flowering period | July |
| Fertile | |
| Pod | |
| Ploidy | |
| Patents | |
| Info | Med-large blue, resembles its name. Unique. A handsome heavy-textured selection of Hosta 'Tokudama', rich blue-green. Semi-upright, crinkled blue-gray leaves give the appearance of its namesake. |
| Sports | |
| Progeny | |