Common evening primrose (Oenothera biennis) is a plant in the annuals and biennials category that can grow 50cm – 1.5m tall and 10cm – 50cm wide.
This plant has several common names including: common evening primrose, coffee plant, cure-all, fever plant, field primrose, four o’clock, German rampion, large rampion, night willowherb, scabbish, scurvish or wild four o’clock.
This is a deciduous plant that takes 1-2 years to reach full maturity.
Plant profile
Common name: common evening primrose, coffee plant, cure-all, fever plant, field primrose, four o’clock, German rampion, large rampion, night willowherb, scabbish, scurvish, wild four o’clock
Scientific name: Oenothera biennis
Plant type: Annual / Biennial
Habit: Columnar / Upright
Height: 50cm – 1.5m
Spread: 10cm – 50cm
Foliage: Deciduous
Sunlight: Full Sun, Partial shade
Soil: Loam, Sand
Moisture: Well drained
Garden type: Informal Garden, Wildflower meadow
Planting type: Flower borders and bedding
Seasonal colors
| Season | Stem | Foliage | Flower | Fruit |
|---|---|---|---|---|
| Spring | ||||
| Summer | ||||
| Autumn | ||||
| Winter |
How to plant Common evening primrose (Oenothera biennis) – Cbaile19, CC0, via Wikimedia Commons
Cultivation profiles – Growing Common evening primrose (Oenothera biennis) – Cbaile19, CC0, via Wikimedia Commons
