Oenothera biennis

Evening Primrose

Showy the second year after seeding; new blossoms occur every evening and early morning during the season; provides good wildlife food and habitat, especially for birds.

General Product Information

• Species Type:

  Native

• Product Categories:

  Herbaceous Flowering Species, Pollinator Favorites, Uplands & Meadows

• Characteristics:

  Single-crown.

• Habitat:

  Fields, prairies, roadsides, waste areas.

• Life Cycle:

  Biennial

• Bloom Period:

  July to early October

• Flower Color:

  Yellow

• Typical Height:

  5.1 ft

• Minimum Root Depth:

  10 in

• pH:

  5.0 – 7.0

• Pollinator Value:

  Medium

Indicator Regions

• Northcentral & Northeast:

  FACU

• Midwest

  FACU

• Eastern Mountains and Piedmont:

  FACU

• Atlantic and Gulf Coastal Plain

  FACU

View Map & Key

Tolerances

• Shade:

  Full Sun

• Drought:

  Moderate

• Salt:

  No

Seed Information

• Approximate seeds per lb:

  1,376,000

• Seeding rate per acre in a mix:

  Up to 0.04 lb

• Truax Seedbox:

  Fine