Evening Primrose
Will it grow where I live?
Evening Primrose is hardy to zone 4 – that covers all of Central Europe and the British Isles, and every USDA zone from 4 upwards.
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Profile
- Family
- Onagraceae
- Habit
- annual
- Height
- 1.2 m
- Spread
- 0.6 m
- Growth
- fast
- Lifespan
- 5 years
- First yield
- after 1 year
- Hardiness
- zone 4–8
- Shade tolerance
- full sun
- Soil
- Sand, Silt
- Soil moisture
- very dry – moist
- pH
- 5.3 – 8.6
Growing
The evening primrose prefers sunny locations with well-drained, nutrient-rich soil. It requires moderate watering and is relatively undemanding. Propagation is done by sowing in spring. Regular removal of spent flowers promotes the flowering period.
Frequently asked questions
Evening Primrose: how big does it get?
Evening Primrose (Oenothera biennis) grows as a annual and reaches roughly 1.2 m in height when mature, with a spread of about 0.6 m. Growth is fast.
Evening Primrose: what site does it need?
Evening Primrose tolerates full sun. Suitable soils are Sand, Silt. Soil moisture should be in the range very dry – moist. The pH may lie between 5.3 and 8.6.
Evening Primrose: is it hardy?
Evening Primrose is listed as hardy in zone 4–8 and survives normal winters outdoors there.
Evening Primrose: will it grow in Central Europe?
Evening Primrose is hardy to zone 4 – that covers all of Central Europe and the British Isles, and every USDA zone from 4 upwards.
Evening Primrose: is it poisonous?
Individual parts of Evening Primrose are noted as mildly problematic — the plant does not count as poisonous. With wild plants, never rely on a database alone, only on a confident identification.
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