MyHostas - the site for the Hostaholic
| Hosta | Koyurugi |
| Status | not registered |
| Originator(s) | Onoda |
| Origin | hypoleuca x kikutii var. caput-avis |
| Size category | |
| Plant height x width | |
| Leaf length x width | |
| Vein pairs | 6-7 |
| Leaf color | green,streaked,chartreuse |
| Variegation | |
| Leaf | |
| Petiole | |
| Scape | |
| Scape height | |
| Flower | |
| Flower length | |
| Fragrant | |
| Flowering period | |
| Fertile | |
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| Ploidy | |
| Patents | |
| Info | |
| Sports | |
| Progeny | |