| Hosta | Happy Valley Supreme |
| Status | not registered |
| Originator(s) | Jim Schwarz |
| Origin | 'Happy Valley' sport |
| Size category | medium - large |
| Plant height x width | |
| Leaf length x width | |
| Vein pairs | |
| Leaf color | streaked,white |
| Variegation | streaked |
| Leaf | |
| Petiole | |
| Scape | |
| Scape height | |
| Flower | lavender |
| Flower length | |
| Fragrant | |
| Flowering period | |
| Fertile | yes |
| Pod | |
| Ploidy | |
| Patents | |
| Info | ='Happy Valley Streaked'. White streaked sport of H. 'Happy Valley'. White backed leaves on this vase shaped mound. Lavender flowers. Streaky form of H. 'Happy Valley'. |
| Sports | |
| Progeny | |