Hosta "Ko Seto" information:
| Size Category | |
| Hosta height x width | inches |
| Leaf length x width | 28x18 cm (11x7 in.) inches |
| Vein pairs | 9 |
| Leaf color | |
| Variegation | |
| Leaf type | very rippled margin, flat, ovate |
| Petiole | very rippled margin, flat, ovate |
| Scape | purplish-red |
| Scape height | 48 cm (19 in.) |
| Flower | lavender-pink,tubular |
| Fragrant | |
| Flower length | 5 cm (2 in.) |
| Flowering period | July - August |
| Fertile | |
| Pod | |
| Ploidy | |
| Patents | |
| Sports | |
| Progeny |
