Trollius x cultorum 'Superbus' (Superb Trollius)
Botanical Information
| Family | Ranunculaceae |
| Genus | Trollius x |
| Species | cultorum |
| Cultivar | 'Superbus' |
| Category | Perennials |
Details
| USDA Hardiness Zone | 3 - 7 |
| USDA Hardiness Ref. | |
| Canadian Hardiness Zone | 1 - 7a |
| Canada Hardiness Ref. | |
| RHS Hardiness Zone | H7 - H5 |
| RHS Hardiness Ref. | |
| Temperature (°C) | -40 - (-15) |
| Temperature (°F) | -40 - 10 |
| Height | 0.6 - 0.9m |
| Spread | 0.6 - 0.9m |
| Growth | Medium |
| Flowering Period | May, June |
Description and Growing Information
| General Description | Clump-forming perennial, with yellow flowers blooming in mid spring to early summer. |
| Landscape | As this plant prefers well, well-drained soils, it performs best along streams or ponds. Also used in bog gardens, moist meadows and rock gardens. |
| Habitat | Horticultural origin. |