| Hosta | Colossal |
| Status | registered |
| Originator(s) | Bob Savory 1977 |
| Origin | unknown |
| Size category | very large |
| Plant height x width | |
| Leaf length x width | 38x28 cm (15x11 in.) |
| Vein pairs | 12 |
| Leaf color | dark green |
| Variegation | |
| Leaf | |
| Petiole | |
| Scape | |
| Scape height | |
| Flower | lavender |
| Flower length | |
| Fragrant | |
| Flowering period | |
| Fertile | |
| Pod | |
| Ploidy | |
| Patents | |
| Info | Medium green leaves make a massive mound with lavender flowers. Very large, nicely veined green leaves form an enormous mound, excellent as a background specimen. Lavender flowers. Large green leaves grow into a massive mound. Lavender flowers. |
| Sports | |
| Progeny | 'Cathy's Splender' seedling |