Diascia rigescens (Diascia)
Botanical Information
| Family | Scrophulariaceae |
| Genus | Diascia |
| Species | rigescens |
| Synonyms | Stiff twinspur |
| Category | Perennials |
| Origin | South Africa |
Details
| USDA Hardiness Zone | 8 - 11 |
| USDA Hardiness Ref. | |
| Canadian Hardiness Zone | Requires cool season protection under glass |
| Canada Hardiness Ref. | |
| RHS Hardiness Zone | H4-H3 |
| RHS Hardiness Ref. | |
| Temperature (°C) | -15 to -10 |
| Temperature (°F) | 5-14 |
| Height | 0.6 m |
| Spread | 0.1 - 0.5 m |
| Growth | Fast |
| Flowering Period | May, June, July, August, September, October |
Description and Growing Information
| Propagation | Propagate by seed sown as soon as ripe or in early spring or by taking softwood cuttings in summer. Germinate seed at 15°C, germination occurs within two weeks. |
| Cultivation | Grow in fertile, moist but well-drained soil in full sun. Can be grown in a container; water in dry periods. |
| Pests | Slugs and snails may be a problem, generally disease free. |
| Notable Specimens | Lanhydrock, National Trust, Bodmin, Cornwall, England. |
| Flower Description | Rose-pink, densely packed on stem, sometimes branching. |
| Colour Description | Leaves age to red-brown. |
Photographs
