| Hosta | Master Class |
| Status | registered |
| Originator(s) | Madelon Gilligan 2012 |
| Origin | sieboldiana seedling |
| Size category | very large |
| Plant height x width | 110x200 cm (43x79 in.) |
| Leaf length x width | 41x33 cm (16x13 in.) |
| Vein pairs | 14-16 |
| Leaf color | blue-green |
| Variegation | |
| Leaf | a bit rippled margin, a bit corrugated |
| Petiole | |
| Scape | soft purple |
| Scape height | 150 cm (59 in.) |
| Flower | pale lavender |
| Flower length | 5 cm (2 in.) |
| Fragrant | |
| Flowering period | June - July |
| Fertile | yes |
| Pod | green |
| Ploidy | |
| Patents | |
| Info | Impressive size and quality. Long arching scapes. |
| Sports | |
| Progeny | |