Bloomipedia
Rush milkweed (Asclepias subulata)
Photo: John Brew via iNaturalist · CC BY 4.0 · resized

Flower profile

Rush milkweed

Asclepias subulata

Native to Nevada

Rush milkweed is a wildflower that USDA PLANTS lists as native in the lower 48 states. In Nevada it's most often seen in bloom in April–December.

3states
641NV sightings*
3,313U.S. sightings*

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

On our lists for: Nevada

Quick look

Asclepias subulata is a species of milkweed known commonly as the rush milkweed, desert milkweed or ajamete. This is an erect perennial herb which loses its leaves early in the season and stands as a cluster of naked stalks. Atop the stems are inflorescences of distinctive flowers.

  • It belongs to the Apocynaceae family. iNaturalist
  • USDA PLANTS describes it as an herb (forb) / a subshrub with a perennial life cycle. USDA PLANTS
  • USDA PLANTS lists it as native in the lower 48 states and records it in 3 states. USDA PLANTS
  • NatureServe lists it as native to Nevada. NatureServe
  • In Nevada, most iNaturalist sightings of it in flower come in April–December. iNaturalist
  • iNaturalist has 641 research-grade sightings of it in Nevada, ranking #55 among the 110 flowers on our Nevada list. iNaturalist

Rush milkweed gift ideas

Handmade rush milkweed gifts from independent makers.

When does it bloom?

In Nevada, most flowering sightings come in April–December.

Flowering records by month in Nevada (iNaturalist research-grade observations marked “Flowering”) (206 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: S3, vulnerable in Nevada. NAC 527.010
Rare elsewhere
No other U.S. state ranks it S1, S2, SH or SX.

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

Please leave it where it grows

Please don't pick or dig this flower: NatureServe ranks it S3 in Nevada. NatureServe

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 petsToxic to dogs, cats and horses

ASPCA's entry “Milkweed” (Asclepias species), which covers the whole genus, lists it as toxic to dogs, cats and horses. Signs include: Vomiting, profound depression, weakness, anorexia, and diarrhea are common; may be followed by seizures, difficulty breathing, rapid, weak pulse, dilated pupils, kidney or liver failure, coma… ASPCA

🌿 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 rush milkweed in 3 states.

recorded by USDA PLANTS on our state lists not recorded

See the full list of states

Arizona, California, Nevada.

Nevada counties with USDA records: Clark, Lincoln.

More Nevada flowers

Sources