Common Evening Primrose
Oenothera biennis

Other Common Names: Night willow-herb, tree-primrose, rampion
Bloom period: Late Spring
Bloom Color: Bright Yellow

Wildlife Value Score:  3
Seed Availability:  1
Establishment Frequency:
Growth Form: Single Crown

This native primrose can be found in dry to moist soils, particularly disturbed sandy or gravelly sites; woodland edge, floodplains, roadsides, field margins.  Only a few flowers open each afternoon and stay open until the next morning.  The flowers are pollinated by moths at night and bees in the morning.