Biennial Evening Primrose, Common Evening Primrose
Oenothera biennis L.
Onagraceae (Evening Primrose Family)
first year rosette▲
young second-year plant▲
flowering plant▲▼
flowering plant▲▼
flower details▲
flowers, with fruit forming below on stem▲
Common Evening Primrose, Biennial Evening Primrose:
· a biennial weed with first year growth a rosette of long, lanceolate leaves, often with orangish or reddish tints to them
· flowers are yellow, somewhat lemon-scented, in tall flowering spikes in second year—open in evening; close by morning
· flower petal tips are blunt or with a notch in them at the tip
· produces many seeds in 1” long, cigar-like fruit; in the Evening Primrose (Onagraceae) Family
· prefers full sun, moist to wet soils
· sometimes included in wildflower seed mixtures