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. |