Bloomipedia
Birdcage evening primrose (Oenothera deltoides)
Photo: Ryan Elliott via iNaturalist · CC BY 4.0 · resized

Flower profile

Birdcage evening primrose

Oenothera deltoides

Birdcage evening primrose (Oenothera deltoides) is a flowering plant in the Onagraceae family, native in the lower 48 states, blooming mostly January–March across the U.S.

Native to Nevada

Birdcage evening primrose is a wildflower that USDA PLANTS lists as native in the lower 48 states. In Nevada it's most often seen in bloom in March–May.

6states where USDA records it
432NV sightings*
5,154U.S. sightings*

*iNaturalist research-grade observations, as of October 17, 2026.

On our lists for: Nevada

Quick look

Oenothera deltoides is a species of evening primrose known by several common names, including birdcage evening primrose, basket evening primrose, lion in a cage, and devil's lantern. It is native to the Southwestern United States and northern Mexico, where it grows in sandy habitats from desert to beach.

  • It belongs to the Onagraceae family. iNaturalist
  • USDA PLANTS describes it as an herb (forb) with a annual, perennial life cycle. USDA PLANTS
  • USDA PLANTS lists it as native in the lower 48 states and records it in 6 states. USDA PLANTS
  • NatureServe lists it as native to Nevada. NatureServe
  • In Nevada, most iNaturalist sightings of it in flower come in March–May. iNaturalist
  • iNaturalist has 432 research-grade sightings of it in Nevada, ranking #96 among the 132 flowers on our Nevada list. iNaturalist

When does it bloom?

In Nevada, most flowering sightings come in March–May.

Flowering records by month in Nevada (iNaturalist research-grade observations marked “Flowering”) (90 records)

Conservation status

Federal (U.S. ESA)
Not listed No U.S. Endangered Species Act listing in the USFWS ECOS database. USFWS ECOS
NatureServe global
G5 Secure worldwide. NatureServe
Nevada
Not listed Not on Nevada fully protected plants, critically endangered (NAC 527.010). NatureServe: S4, apparently secure in Nevada. NAC 527.010
Rare elsewhere
Other states where NatureServe ranks it rare or missing: UT (S2). (S1 critically imperiled, S2 imperiled, SH possibly extirpated, SX presumed extirpated.)

Checked October 17, 2026. Rankings and lists can change, so follow the links for the latest.

Can you eat it?

For peopleNot well documented

None of the sources we checked (NC State Extension (no page for this plant), USDA PLANTS) say whether it's edible or poisonous for people.

For petsNot well documented

It isn't on the ASPCA plant list.

🌿 Never eat a wild plant unless you're certain of its ID; this isn't medical advice. Worried about a person? Call Poison Control at 1-800-222-1222. Worried about a pet? Call your vet.

Where does it grow?

USDA PLANTS records birdcage evening primrose in 6 states.

recorded by USDA PLANTS on our state lists not recorded

See the full list of states

Arizona, California, Colorado, Nevada, Oregon, Utah.

Nevada counties with USDA records: Carson City, Churchill, Clark, Douglas, Elko, Esmeralda, Humboldt, Lander, Lincoln, Lyon, Mineral, Nye, Pershing, Storey, Washoe.

Names, range and relatives

County records: USDA PLANTS lists it in 51 counties across 5 states; the most are in California (20), Nevada (15), Oregon (9).

Other Oenothera on Bloomipedia (11): Pinkladies, Common evening-primrose, Cutleaf evening primrose, Fragrant evening primrose, Scarlet beeblossom, Bigfruit evening primrose, Pale evening primrose, False gaura, Yellow sundrops, Fourpoint evening primrose.

More from the Onagraceae family (19 on Bloomipedia; most observed first): Fireweed, California fuchsia, Broadleaf enchanter's nightshade, Elegant clarkia, Sun cup, Dwarf fireweed, Peruvian primrose-willow, Golden suncup.

More Nevada flowers

Sources