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Oenothera biennis

Common Name(s): Evening primrose
Family: Onagraceae
Growth Habit: Biennial
Growing Days: 120
Precipitation: 20 to 55 (in.)
Winter Minimum: -27° (F)
Soil pH: 5 to 7
Soil Texture/Type: All; best in sandy loam
Soil Drainage: Well
Photoperiod Response:
Light Intensity: Full sun
Evening flowering winter biennial herb. Moderate drought tolerance. No salinity resistance.
Cercospora, Powdery Mildew, Rust
Food - root, Food - young twigs, Food - seeds, Environ. - ornamental, Medicinal - folklore
Temperate-continental, temperate marine
Geographical Origin:
North America
Metric Units

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Last Modified: October 17, 2012
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