| Hosta | Northern Mystery |
| Status | registered |
| Originator(s) | Clarence Falstad/AHS/Walek 2009 |
| Origin | 'Northern Mist' sport |
| Size category | medium |
| Plant height x width | 48x120 cm (19x47 in.) |
| Leaf length x width | 30x25 cm (12x10 in.) |
| Vein pairs | 17 |
| Leaf color | white, edge,green,blue-green edge |
| Variegation | streaked, unstable |
| Leaf | very corrugated |
| Petiole | |
| Scape | blue-green |
| Scape height | 75 cm (30 in.) |
| Flower | near white |
| Flower length | |
| Fragrant | |
| Flowering period | June - July |
| Fertile | yes |
| Pod | blue-green |
| Ploidy | |
| Patents | |
| Info | =sieboldiana 'Northern Mystery'. Very rare H. sieboldiana 'Elegans' sport. Misty center. Impressive, but not much different from 'Northern Mist' at maturity [MZ]. More white in the leaf center and less green speckling than 'Northern Mist'. |
| Sports | |
| Progeny | |