| Hosta | Lahn |
| Status | registered |
| Originator(s) | Heinz Klose/Pete & Jean Ruh 2005 |
| Origin | "Tardiana" seedling |
| Size category | medium |
| Plant height x width | 13x25 cm (5x10 in.) |
| Leaf length x width | 8x3 cm (3x1 in.) |
| Vein pairs | 7 |
| Leaf color | blue |
| Variegation | |
| Leaf | |
| Petiole | |
| Scape | |
| Scape height | |
| Flower | |
| Flower length | |
| Fragrant | |
| Flowering period | August |
| Fertile | |
| Pod | |
| Ploidy | |
| Patents | |
| Info | One of Klose's last. Blue Tardiana. |
| Sports | |
| Progeny | |