| Hosta | Saishu Jima Closed |
| Status | not registered |
| Originator(s) | Herb Benedict |
| Origin | 'Saishu Jima' hybrid |
| Size category | |
| Plant height x width | 40x85 cm (16x33 in.) |
| Leaf length x width | 12x4 cm (5x2 in.) |
| Vein pairs | 3-4 |
| Leaf color | green |
| Variegation | |
| Leaf | narrow, wavy |
| Petiole | |
| Scape | |
| Scape height | 105 cm (41 in.) |
| Flower | dark purple,fused |
| Flower length | 5 cm (2 in.) |
| Fragrant | |
| Flowering period | August |
| Fertile | |
| Pod | |
| Ploidy | |
| Patents | |
| Info | Flowers open incompletely. An intriguing plant. |
| Sports | |
| Progeny | |