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

We will ship your plants within nine days of placing the order, on either a Monday or a Tuesday. We ship early in the week to ensure that plants do not get stranded in transit over the weekend. You'll receive a tracking number when your order ships.

We appreciate your patience while our small team works to get these live plants to you safely.


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    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.