stiff twinspur
Diascia rigescens
RHS AGM 1993
USDA zones7 to 9
SunNeeds full sun (6+ hours)
WaterHandles moderate to moist soil
Size12 inches wide
- Bloom season
- Summer, autumn
- Soil types
- Sand, loam, chalk
- Soil pH
- Acid, alkaline, neutral
Garden uses
Notes
Stiff twinspur (Diascia rigescens) is a perennial for borders. It is hardy to USDA zone 7, or down to 0°F (-18°C). This plant likes full sun and average to moist, sandy, loamy, or chalky soil. It blooms in early to late summer and again in early to late autumn. Each plant spreads about 12 inches, so you can set it at the front of a bed.
Pairs well with Perennial candytuft, May Night salvia, and Greig's tulip.
Native range
Africa.