| Hosta | Sum Zero |
| Status | registered |
| Originator(s) | Bob Solberg 2011 |
| Origin | 'Final Summation' sport |
| Size category | |
| Plant height x width | 60x100 cm (24x39 in.) |
| Leaf length x width | 30x25 cm (12x10 in.) |
| Vein pairs | 11-12 |
| Leaf color | dark green |
| Variegation | |
| Leaf | a bit rippled margin, very cupped, a bit wavy, a bit corrugated |
| Petiole | |
| Scape | green |
| Scape height | 90 cm (35 in.) |
| Flower | pale lavender |
| Flower length | |
| Fragrant | |
| Flowering period | July - August |
| Fertile | limited/difficult |
| Pod | green |
| Ploidy | 2.9-2.9-2.9 |
| Patents | |
| Info | ='Zero Sum'. Dark green upright and cupped sport of H. 'Final Summation' |
| Sports | |
| Progeny | |