| Hosta | Knockout Mouse |
| Status | not registered |
| Originator(s) | Marco & Joyce Fransen |
| Origin | 'Blue Mouse Ears' sport |
| Size category | small |
| Plant height x width | |
| Leaf length x width | |
| Vein pairs | |
| Leaf color | blue,(yellow>green) edge |
| Variegation | edge |
| Leaf | |
| Petiole | |
| Scape | |
| Scape height | |
| Flower | lavender |
| Flower length | |
| Fragrant | |
| Flowering period | |
| Fertile | |
| Pod | |
| Ploidy | |
| Patents | |
| Info | Small, round blue leaves with a yellow margin that changes to green. Sport of ''Blue Mouse Ears''. |
| Sports | 'Veined Mouse Ears' sport/gw |
| Progeny | |