Host an Event Volunteer Join Tickets

Support the plant database you love!


Plant Database

Search for native plants by scientific name, common name or family. If you are not sure what you are looking for, try the Combination Search or our Recommended Species lists.

Enter a Plant Name:
Or choose a plant family:

Oenothera villosa ssp. strigosa

Oenothera villosa Thunb. ssp. strigosa (Rydb.) W. Dietr. & P.H. Raven

Common Evening-primrose, Hairy Evening-primrose

Onagraceae (Evening Primrose Family)

Synonym(s): Oenothera biennis var. strigosa, Oenothera cheradophila, Oenothera depressa ssp. strigosa, Oenothera procera, Oenothera rydbergii, Oenothera strigosa, Oenothera strigosa ssp. cheradophila, Oenothera villosa ssp. cheradophila, Oenothera villosa var. strigosa


USDA Native Status: L48 (N), CAN (N)

A 3-4 ft. biennial with lance-shaped leaves and a leafy inflorescence. Leaves appear gray due to a coating of hairs. The inflorescence contains yellow, four-petaled flowers occasionally becoming orange with age. The flowers open nightly, a few at a time.


From the Image Gallery

No images of this plant

Plant Characteristics

Duration: Biennial
Habit: Herb
Size Class: 3-6 ft.

Bloom Information

Bloom Color: Yellow
Bloom Time: Jun , Jul , Aug , Sep


USA: AZ , CA , CO , ID , MI , MT , ND , NE , NM , NV , OR , SD , UT , WA , WI , WY
Canada: NB , PE
Native Distribution: MN to B.C., s. to AR, OK & n. CA
Native Habitat: Prairies; hillsides; open woodlands; waste places

Growing Conditions

Light Requirement: Sun
Soil Description: Variable.
Conditions Comments: Not Available

Value to Beneficial Insects

Special Value to Native Bees

This information was provided by the Pollinator Program at The Xerces Society for Invertebrate Conservation.

Additional resources

USDA: Find Oenothera villosa ssp. strigosa in USDA Plants
FNA: Find Oenothera villosa ssp. strigosa in the Flora of North America (if available)
Google: Search Google for Oenothera villosa ssp. strigosa


Record Modified: 2007-01-01
Research By: TWC Staff

Go back