Photos & Information
The Society
Connecticut Plants
Common Evening Primrose
Oenothera biennis
The flowers partly close during the day, and fully open in the evening.
- Family: evening primrose (Onagraceae)
- Habitat: roadsides, fields
- Height: 2-5 feet
- Flower size: 1-2 inches
- Flower color: yellow
- Flowering time: June to September
- Origin: native
