Whitest Evening Primrose

Oenothera albicaulis

Physical Characteristics

Oenothera albicaulis is a ANNUAL/BIENNIAL growing to 0.3 m (1ft). See above for USDA hardiness. It is hardy to UK zone 5. It is in flower in June. The species is hermaphrodite (has both male and female organs) and is pollinated by Lepidoptera (Moths & Butterflies), bees. The plant is self-fertile. It is noted for attracting wildlife. Suitable for: light (sandy) and medium (loamy) soils, prefers well-drained soil and can grow in nutritionally poor soil. Suitable pH: mildly acid, neutral and basic (mildly alkaline) soils. It cannot grow in the shade. It prefers dry or moist soil.

Distribution

Western N. America - Arizona to S. Dakota and Montana.

Habitats

Cultivated Beds;

Edible Uses

Edible Parts: Leaves Root Seed Seedpod Shoots Edible Uses: Fruit[105, 161]. Another report says that the plant has an edible seedpod[213]. The reports for edible fruit probably mean the seedpod[K]. Seed - cooked[257]. They can be used in soups or can be ground into a powder and then used as a gravy[257]. Root - cooked. Too small to be a staple food, but useful in an emergency, the roots taste best in late autumn, winter and early spring[213]. Leaves and young shoots - cooked[213].

Medicinal Uses

Antiphlogistic A poultice of the plant has been used to treat swellings[257]. A decoction of the root has been drunk and used as a lotion on muscle strains[257].

Known Hazards

None known