Oenothera biennis



The shy yellow blooms of Oenothera biennis tend to open at dusk and close in the heat of the day, earning it the name "Evening Primrose". The foliage is is short the first year, and then tall flower stems emerge to bloom from June to September the second year.

Oenothera biennis Evening Primrose is a short-lived perennial (or biennial) that self-sows freely, making it great for naturalizing in the landscape. Its seeds are highly attractive to birds.

Oenothera biennis Evening Primrose is native to Eastern and Central US. It thrives in full sun to part shade and moist, well-draining soil, although it is very tolerate of drought and dry, hot soil.



  • Common Names: Evening Primrose
  • Zones: 4-9
  • Light Requirements: Full Sun to Light Shade
  • Soil Preference: Moist to dry, well-draining
  • Height at Maturity: 48 to 60 inches
  • Width at Maturity: 24 to 36 inches
  • Bloom Color: Yellow
  • Bloom Time: Summer to fall

Special Features

  • Attracts:
  • Tolerates:
  • Other Features: Native to North America.

Care and Growing Tips

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Shipping Info


All orders placed now will ship in Spring 2024 unless requested otherwise.

    • Zones 9&10: Starting March 25th
    • Zone 8: Starting April 1st
    • Zone 7: Starting April 8th
    • Zone 6: Starting April 22nd
    • Zone 5: Starting May 6th
    • Zones 4-2: Starting May 13th

If you live in a warm climate and wish to receive your plants during the winter, please send us an email. Please note that we may be unable to fulfill your request if temperatures are too cold for safe transit or if the plants are dormant.

 plants shipped to your door

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We ship via UPS & USPS (the Post Office), and their ship rates are automatically generated through our site. We do not profit on shipping costs. We are working with these providers to get our customers the best rates possible.

All ship times are subject to change if extreme weather conditions are present here at the nursery or at the shipping destination.

Please note: Depending on the time of year, the foliage of the plants may be trimmed to fit into our shipping boxes. This could delay the flowering of the plant, but many perennials actually benefit from being cut back.

We are currently not able to ship to Puerto Rico, Hawaii, and outside of the US.