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Primrose (Evening)

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Oenothera biennis
Primrose (Evening)


They are found in fields and roadsides.


These large, yellow, lemon-scented flowers are bunched on top of the plant. They have 4 petals. The leaves are long and pointed with a tooth-edged. The stem is hairy and purple-tinted. They bloom in the evening until noon the next day. They look like sundrops, which bloom in the day. They bloom June through September.

Taxonomic Features (Traits) for Identification

  • Flower Type: Flowers regular with 4 petals opening in the evening and arranged on top (raceme)
  • Flower Color: Yellow
  • Leaf Arrangement: Alternate
  • Plant Type: Wildflower (Large - 1-6 feet)
  • Leaf Type: Lance-shaped and slightly toothed

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Amsel, Sheri. "Primrose (Evening)" Exploring Nature Educational Resource ©2005-2023. March 24, 2023
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