Additional notes (click to expand)


In traditional herbal medicine the bark and the leaves are astringent and sedative. They have proved of use in the treatment of gastro-intestinal disorders of a functional origin, whooping cough and asthma,


Previously grown as Oenothera glabra, Oenothera odorata

Other common names include: coffee plant, cure-all, fever plant, field primrose, four o'clock, German rampion, large rampion, night willowherb, scabbish, scurvish, wild four o'clock

Other use

A yellow dye is obtained from the flowers
Plants for a Future (2017) at link

Geographical distribution

  • Northern America

Oenothera biennis L.

Genus: Oenothera
Species: biennis L.
Common names: Common evening primrose
Distribution summary: North America
Habit: Biennial
Hardiness: H4 - Hardy; average winter
Habitat: Roadsides, wasteland & cultivated land
Garden status: Currently grown
Garden location: North America (A)
Flowering months: June, July, August, September
Reason for growing: Medicinal, other use

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