Photo by Dan Tenaglia, courtesy www.xidservices.com

Photo by Dan Tenaglia, courtesy www.xidservices.com

evening primrose

Oenothera biennis

Weed Characteristics

Other Names: common evening primrose, hoary eveningprimrose, common eveningprimrose, king's-cureall, common evening-primrose, field primrose, coffee plant, fever plant,cureall

Leaf Type: Broadleaf

Flowers: Yellow

Leaves: Pointed leaves with smooth edges; some hair

Life Cycle: Biennial

Leaves are long and narrow, resembling willow leaves. Upright habit with one or several dominant stems and a fleshy taproot. Height can reach 6 ft. or more. Flowers are 1 inch across with 4 petals. Seeds can be viable in the soil for 70 years.

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