| Hosta | Emerald Emperor |
| Status | not registered |
| Originator(s) | Marco Fransen |
| Origin | 'Sagae' sport |
| Size category | large |
| Plant height x width | 70x cm (28x in.) |
| Leaf length x width | |
| Vein pairs | |
| Leaf color | gray-green |
| Variegation | |
| Leaf | |
| Petiole | |
| Scape | |
| Scape height | |
| Flower | lavender |
| Flower length | |
| Fragrant | |
| Flowering period | |
| Fertile | |
| Pod | |
| Ploidy | |
| Patents | |
| Info | The green form of H. 'Sagae'. Huge grey-green leaves of good substance: this is the all green form of H. 'Sagae' and forms an upright clump topped with lavender flowers. |
| Sports | |
| Progeny | |