Evening Primrose

Oenothera biennis

Photo of Evening Primrose
Photo by Dr. John Meade, weed scientist emeritus
Rutgers NJAES Cooperative Extension

Evening Primrose is a biennial weed but more likely a wildflower. It has 4 yellow petals and the seed pod is quite distinctive. It is one-eighth inch round and 1-2 inches long.

Additional Images


  1. Rutgers
  2. Executive Dean of Agriculture and Natural Resources
  3. School of Environmental and Biological Sciences