| Hosta | Bluestone |
| Status | registered |
| Originator(s) | Ja. Ruh 2010 |
| Origin | 'Gold Regal' x 'Blue Bayou' |
| Size category | large |
| Plant height x width | 70x90 cm (28x35 in.) |
| Leaf length x width | 33x29 cm (13x11 in.) |
| Vein pairs | 16 |
| Leaf color | blue |
| Variegation | |
| Leaf | bovate, a bit wavy, a bit corrugated |
| Petiole | |
| Scape | blue |
| Scape height | 90 cm (35 in.) |
| Flower | near white,striped,bell |
| Flower length | 4 cm (1.6 in.) |
| Fragrant | |
| Flowering period | July |
| Fertile | yes |
| Pod | blue-green |
| Ploidy | |
| Patents | |
| Info | |
| Sports | |
| Progeny | |