| Hosta | Baby Boo |
| Status | registered |
| Originator(s) | R. Daykin 2020 |
| Origin | 'Blue Mouse Ears' sport |
| Size category | |
| Plant height x width | 30x50 cm (12x20 in.) |
| Leaf length x width | 5x4 cm (2x2 in.) |
| Vein pairs | |
| Leaf color | |
| Variegation | medio, viridescent |
| Leaf | |
| Petiole | |
| Scape | |
| Scape height | |
| Flower | pale purple |
| Flower length | |
| Fragrant | N |
| Flowering period | June - July |
| Fertile | |
| Pod | |
| Ploidy | |
| Patents | |
| Info | 'Blue Mouse Ear' leaf with a greenish-white flash fading to light greenish-yellow flash up the mid-rib. |
| Sports | |
| Progeny | |