| Hosta | Blue Wu |
| Status | registered |
| Originator(s) | Jim King 2010 |
| Origin | 'Skylight' x 'Empress Wu' |
| Size category | very large |
| Plant height x width | 75x150 cm (30x59 in.) |
| Leaf length x width | 28x24 cm (11x9 in.) |
| Vein pairs | 8 |
| Leaf color | blue-green |
| Variegation | |
| Leaf | nround |
| Petiole | |
| Scape | blue-green |
| Scape height | 85 cm (33 in.) |
| Flower | pale lavender |
| Flower length | 6.5 cm (2.6 in.) |
| Fragrant | |
| Flowering period | June |
| Fertile | yes |
| Pod | blue-green |
| Ploidy | |
| Patents | |
| Info | This is the first plant from Jim King of Washington state we are introducing, an early hybrid from Hosta 'Empress Wu' with Hosta 'Skylight' as the other parent gives us a very large blue-green hosta (perhaps one of the largest blues). The clump is topped with pale lavender flowers. |
| Sports | |
| Progeny | |