| Hosta | Asahi Comet |
| Status | registered |
| Originator(s) | Kiyoshi Kato/Bill Zumbar 1984 |
| Origin | longissima sport |
| Size category | medium |
| Plant height x width | 13x23 cm (5x9 in.) |
| Leaf length x width | 8x2 cm (3x1 in.) |
| Vein pairs | 2-4 |
| Leaf color | green,(pale yellow>white) edge |
| Variegation | edge |
| Leaf | glossy |
| Petiole | |
| Scape | 2 leafy bracts |
| Scape height | 50 cm (20 in.) |
| Flower | deep purple |
| Flower length | |
| Fragrant | |
| Flowering period | August - September |
| Fertile | |
| Pod | |
| Ploidy | |
| Patents | |
| Info | =longissima 'Asahi Comet'. Glossy leaves. Deep emerald green with 0.125 in white margin on most leaves with white projecting into green on some leaves; glossy. This is the most beautiful variegated form of the "mizu giboshi" or water hosta, referring to its habit of growing on rocks in and around springs and streams. This Japanese selection has narrow leaves, very glossy, with a broad cream border. Difficult in a garden, needs moisture. |
| Sports | |
| Progeny | |