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Evening Primrose

Evening primrose flowers
Photo credit: Andreas Rockstein

Evening Primrose
(Oenothera biennis)

Height:

  • 3 to 6 feet

Bloom:

  • July to October

Classification:

  • Native
  • Biennial

Sun:

  • Full to part sun

Soil moisture:

  • Medium

Provides food for:

  • Honey bees (flowers)
  • Native bees (flowers)
  • Moths (flowers)
  • Hummingbirds (flowers, insects)
  • Caterpillars (foliage)
  • Songbirds (seeds, caterpillars and other insects)

Notes:

  • Flowers open in the evening and close by mid-day.
  • Will self-seed and may spread.

Native Range:

USDA Range Map for evening primrose
Map credit: USDA Plants Database

Relevant Backyard Ecology Resources: