Hosta "James Knox Polk" information:
| Size Category | |
| Hosta height x width | 75x80 cm (30x31 in.) inches |
| Leaf length x width | 26x18 cm (10x7 in.) inches |
| Vein pairs | 11 |
| Leaf color | |
| Variegation | |
| Leaf type | cupped, folded, wavy |
| Petiole | cupped, folded, wavy |
| Scape | pale green |
| Scape height | 90 cm (35 in.) |
| Flower | pale pink,striped |
| Fragrant | |
| Flower length | 4.5 cm (1.8 in.) |
| Flowering period | June - July |
| Fertile | |
| Pod | |
| Ploidy | |
| Patents | |
| Sports | |
| Progeny |
