| Hosta | Mr Z |
| Status | registered |
| Originator(s) | Mark Zilis/Jim Schwarz/Karen Schwarz 2014 |
| Origin | "blue ruffled seedling" x 'Blue Moon' |
| Size category | medium |
| Plant height x width | 35x50 cm (14x20 in.) |
| Leaf length x width | 19x15 cm (7x6 in.) |
| Vein pairs | 7-9 |
| Leaf color | blue-green |
| Variegation | |
| Leaf | thick, a bit rippled margin |
| Petiole | |
| Scape | |
| Scape height | |
| Flower | near white |
| Flower length | |
| Fragrant | |
| Flowering period | July |
| Fertile | |
| Pod | |
| Ploidy | |
| Patents | |
| Info | Medium-sized mound with thick,intensely blue-green, pronounced veined foliage that keeps its glaucous bloom late into the fall. Near-white flowers in July. Mark Zilis hybrid of a blue ruffled seedling x 'Blue Moon'. You can guess that this was named for him can't you? |
| Sports | |
| Progeny | |