Yellow Sundrops
Calylophus serrulata
Plains yellow primrose is a wiry, drought-tough perennial of the Great Plains and Rockies, dotted with small clear-yellow flowers all summer. An easy, deer-resistant native for hot, dry, lean soils.
- Family
- Onagraceae
- Type
- shrub
- Lifespan
- perennial
- Height
- 0.5–1.5 ft
- Spacing
- 0.5–1.5 ft apart
- Light
- sun
- Soil moisture
- dry
- Soil pH
- neutral, alkaline
- Bloom
- April, May, June, July
- Bloom colors
- yellow
- Wildlife value
- pollinators, butterflies
- Landscape uses
- foundation, container
- Native states
- AL, AR, AZ, CO, IA, IN, KS, KY, MN, MO, MT, ND, NE, NM, OK, SD, TX, WI, WY