
Herb · Seed
Evening primrose
Oenothera biennis
- Start indoors
- Feb 18 – Mar 4
- Sow outdoors
- Apr 1–29
- Transplant outdoors
- Apr 15–29
Biennial. A summer or fall sowing blooms the next year.
Start indoors 6–8 weeks before last frost. Transplant at last frost through 2 weeks after.
Open the plate