Sundrops
Calylophus hartwegii
A low, spreading evening-primrose relative that opens a long succession of silky yellow cups aging to apricot, from spring into fall. Drought-tough and free-flowering on lean soil.
- Family
- Onagraceae
- Type
- shrub
- Lifespan
- perennial
- Height
- 0.5–1.5 ft
- Spacing
- 1–2 ft apart
- Light
- part shade
- Soil moisture
- dry
- Soil pH
- alkaline
- Bloom
- March, April, May, June, July, August, September, October, November
- Bloom colors
- yellow
- Wildlife value
- pollinators
- Landscape uses
- foundation, groundcover, container, erosion control
- Native states
- AZ, CO, KS, NM, OK, TX