Hosta "Thelonius" information:
| Size Category | |
| Hosta height x width | 25x80 cm (10x31 in.) inches |
| Leaf length x width | 13x10 cm (5x4 in.) inches |
| Vein pairs | 8-9 |
| Leaf color | |
| Variegation | |
| Leaf type | a bit rippled, wavy |
| Petiole | a bit rippled, wavy |
| Scape | |
| Scape height | 28 cm (11 in.) |
| Flower | near white |
| Fragrant | |
| Flower length | |
| Flowering period | July - August |
| Fertile | yes |
| Pod | green |
| Ploidy | |
| Patents | |
| Sports | |
| Progeny |
