| Hosta | Mount Royal |
| Status | registered |
| Originator(s) | Le Jardin Botanique de Montreal 1983 |
| Origin | unknown |
| Size category | small - medium |
| Plant height x width | 38x35 cm (15x14 in.) |
| Leaf length x width | 33x23 cm (13x9 in.) |
| Vein pairs | 5 |
| Leaf color | pale green |
| Variegation | |
| Leaf | |
| Petiole | |
| Scape | |
| Scape height | 35 cm (14 in.) |
| Flower | white |
| Flower length | |
| Fragrant | |
| Flowering period | August |
| Fertile | |
| Pod | |
| Ploidy | |
| Patents | |
| Info | ='Japonica White'. Narrow blue green leaves. White flowers. Medium-green leaves that are flat and lance-shaped; white flwrs. |
| Sports | |
| Progeny | |