Oenothera biennis

Common Name: Evening Primrose

Plant Type: Herbaceous

Habitat: Prairie

Light Requirements: sun

Soil Moisture: dry, mesic

Soil Type: Sand

Height: 2 - 6 ft

Bloom Time: Summer

Flower Colour: yellow

Germination Requirements: Seed will germinate within 4 weeks if sown at 70°F

Details/Comments: Biennial

Picture Copyright: W L Wagner @ USDA-NRCS PLANTS Database