Persicaria bistorta 'Superba' (Superba red bistort)
Botanical Information
| Family | Polygonaceae |
| Genus | Persicaria |
| Species | bistorta |
| Cultivar | 'Superba' |
| Category | Perennials |
Details
| USDA Hardiness Zone | 6 |
| USDA Hardiness Ref. | |
| Canadian Hardiness Zone | 6 |
| Canada Hardiness Ref. | |
| RHS Hardiness Zone | H7 |
| RHS Hardiness Ref. | |
| Height | 0.5 - 1 m |
| Spread | 0.5 - 1 m |
| Growth | Fast |
| Flowering Period | June, July, August, September |
Description and Growing Information
| General Description | P. bistorta 'Superba' is a clump-forming perennial capable of growing to nearly 1m in height. Large clusters of flowers grow in spikes and vary in colour from pink to grey. |
| Shape | Clump forming. |
| Landscape | Flower beds, container. |
| Propagation | Propagate by division during spring or autumn. |
| Cultivation | Ideal for a moist soil although it can tolerate some dryness; copes in full sun or partial shade. |
| Notable Specimens | Lanhydrock Gardens, England, Cornwall. |
| Habitat | Horticultural origin. |
Photographs
Persicaria bistorta 'Superba', form. Lanhydrock Gardens, England, Cornwall. 16/10/2019.
Persicaria bistorta 'Superba', leaf. Lanhydrock Gardens, England, Cornwall. 16/10/2019.
Persicaria bistorta 'Superba', flower. Lanhydrock Gardens, England, Cornwall. 16/10/2019.
Awards
