Hosta "John Diamond" information:
| Size Category | |
| Hosta height x width | inches |
| Leaf length x width | 20x19 cm (8x7 in.) inches |
| Vein pairs | 10-14 |
| Leaf color | |
| Variegation | |
| Leaf type | thick |
| Petiole | thick |
| Scape | |
| Scape height | 70 cm (28 in.) |
| Flower | |
| Fragrant | |
| Flower length | |
| Flowering period | |
| Fertile | |
| Pod | |
| Ploidy | |
| Patents | |
| Sports | |
| Progeny |
