| Hosta | Silverback |
| Status | registered |
| Originator(s) | R. Merritt/New Hampshire Hostas 2020 |
| Origin | 'Humpback Whale' sport |
| Size category | |
| Plant height x width | 70x125 cm (28x49 in.) |
| Leaf length x width | 38x33 cm (15x13 in.) |
| Vein pairs | 12-13 |
| Leaf color | |
| Variegation | edge |
| Leaf | a bit corrugated |
| Petiole | |
| Scape | green |
| Scape height | 127 cm (50 in.) |
| Flower | near white |
| Flower length | 6.25 cm (2.5 in.) |
| Fragrant | N |
| Flowering period | June - July |
| Fertile | yes |
| Pod | green |
| Ploidy | |
| Patents | |
| Info | Same blue green leaves as its parent with an added creamy yellow margin and a third greyish hue jetting from the margin to the midrib. |
| Sports | |
| Progeny | |