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Oenothera primiveris (Desert evening-primrose)
Brundage, Stephanie

Oenothera primiveris

Oenothera primiveris A. Gray

Desert Evening-primrose, Yellow-flower Desert Evening-primrose, Bottle Evening-primrose, Large Yellow Desert Primrose

Onagraceae (Evening Primrose Family)



USDA Native Status: L48 (N)

Yellow-flower desert evening-primrose is a winter annual with a clump of oblong, deeply cleft leaves, 6-9 in. in height. Night-blooming yellow flowers fade orange and are tubular with four petals.


From the Image Gallery

33 photo(s) available in the Image Gallery

Plant Characteristics

Duration: Annual
Habit: Herb
Size Class: 0-1 ft.

Bloom Information

Bloom Color: Yellow
Bloom Time: Feb , Mar , Apr , May


USA: AZ , CA , NM , NV , TX , UT
Native Distribution: Trans Pecos, TX, w. to s.w. UT & s. CA
Native Habitat: Desert flats below 4500 ft.

Growing Conditions

Light Requirement: Sun
Soil Description: Sandy or gravelly soils.
Conditions Comments: Not Available

Value to Beneficial Insects

Special Value to Native Bees

This information was provided by the Pollinator Program at The Xerces Society for Invertebrate Conservation.


Description: Sow unstratified seed in fall; stratified in spring.
Seed Collection: Not Available
Seed Treatment: Not Available
Commercially Avail: yes

Additional resources

USDA: Find Oenothera primiveris in USDA Plants
FNA: Find Oenothera primiveris in the Flora of North America (if available)
Google: Search Google for Oenothera primiveris


Record Modified: 2021-11-03
Research By: TWC Staff

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