Utah State University

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Oenothera caespitosa

Common Name      White (Desert) Evening Primrose

Family        Onagraceae (Evening Primrose Family)

 

Description
This desert-dweller bears large white flowers which turn pink with age. The petals can reach lengths of 4.5 cm long and are characteristically heart-shaped. The flowers are borne directly out of the root crown.

Range
Throughout the intermountain and mid-west regions. Elevation: to 8, 000ft.

Culture
Prefers well-drained soils, full sun, low-water.

Value
A superior perennial, the large, pure white flowers of desert evening primrose are a delight to behold because they cover the ground like small, snowy mounds. When given water, will continue blooming through the season. Moderately common in the trade.

Propagation
To start seed indoors soak in hydrogen peroxide (from the market) for 24 hours. Rinse and cold treat seed for 30 to 60 days. Sow into container. Cover to depth. Transplant into desired location when root system is mature. Seeds can be sown at any time outdoors in the desired location. Cover with ¼" soil.

 

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A thing is right when it tends to preserve the integrity, stability and beauty of the biotic community. It is wrong when it tends otherwise.

        Aldo Leopold