| Hosta | Blue Rock |
| Status | registered |
| Originator(s) | David Stone/Eunice Fisher/AHS 1986 |
| Origin | unknown |
| Size category | medium - large |
| Plant height x width | 45x110 cm (18x43 in.) |
| Leaf length x width | 25x21 cm (10x8 in.) |
| Vein pairs | 16 |
| Leaf color | dark blue-green |
| Variegation | |
| Leaf | heavy, rugose |
| Petiole | |
| Scape | |
| Scape height | 65 cm (26 in.) |
| Flower | white,bell |
| Flower length | |
| Fragrant | |
| Flowering period | |
| Fertile | |
| Pod | |
| Ploidy | |
| Patents | |
| Info | A beautiful, large mound of deep blue, near round leaves. White flowers. Puckered, rounded blue-green leaves, forms a wonderful mound; white flowers. A medium size hosta with blue, heart shaped, heavily substanced foliage. A sieboldiana hybrid, useful where the color and texture of 'Elegans' is desirable, but not the size. White flowers. |
| Sports | |
| Progeny | |