| Hosta | Sir Markus Cooper |
| Status | registered |
| Originator(s) | Charlie Kwick 2017 |
| Origin | unknown |
| Size category | large |
| Plant height x width | 65x120 cm (26x47 in.) |
| Leaf length x width | 30x20 cm (12x8 in.) |
| Vein pairs | 14-15 |
| Leaf color | |
| Variegation | |
| Leaf | |
| Petiole | |
| Scape | green |
| Scape height | 100 cm (39 in.) |
| Flower | pale lavender,striped |
| Flower length | 5.5 cm (2.2 in.) |
| Fragrant | |
| Flowering period | July - August |
| Fertile | yes |
| Pod | |
| Ploidy | |
| Patents | |
| Info | Large green plant that is always the last one to come up. |
| Sports | |
| Progeny | |