Bloomipedia
Tufted milkvetch (Astragalus spatulatus)
Photo: Anders Hastings via iNaturalist · CC BY 4.0 · resized

Flower profile

Tufted milkvetch

Astragalus spatulatus

Native to Wyoming

Tufted milkvetch is a wildflower that USDA PLANTS lists as native in the lower 48 states.

9states
355WY sightings*
916U.S. sightings*

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

On our lists for: Wyoming

Quick look

Astragalus spatulatus is a plant in the milkvetch genus in the legume family and it is commonly referred to as tufted milkvetch and draba milkvetch. This plant was previously named Homalobus caespitosus by J. Torrey and A. Gray in 1838, however, it was reclassified into a new genus and then renamed in 1894 by E. Sheldon.

  • It belongs to the Fabaceae family. iNaturalist
  • USDA PLANTS describes it as an herb (forb) with a perennial life cycle. USDA PLANTS
  • USDA PLANTS lists it as native in the lower 48 states and records it in 9 states. USDA PLANTS
  • NatureServe lists it as native to Wyoming. NatureServe
  • iNaturalist has 355 research-grade sightings of it in Wyoming, ranking #84 among the 107 flowers on our Wyoming list. iNaturalist

Tufted milkvetch gift ideas

Handmade tufted milkvetch gifts from independent makers.

When does it bloom?

Flowering records by month in Wyoming (iNaturalist research-grade observations marked “Flowering”) (19 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
Wyoming
No list Wyoming has no state law listing endangered or threatened plants, so we show NatureServe's Wyoming ranks instead. NatureServe: S5, secure in Wyoming.
Rare elsewhere
Other states where NatureServe ranks it rare or missing: KS (S1). (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 petsToxic to horses

ASPCA's entry “Loco Weed (Astragalus spp.)” (Astragalus spp), which covers the whole genus, lists it as toxic to horses. Signs include: Incoordination, depression, inability to eat and drink, fetal death and birth defects Credit: Image Courtesy of Gary Coffman, PBase.com Gallery… 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 tufted milkvetch in 9 states.

recorded by USDA PLANTS on our state lists not recorded

See the full list of states

Colorado, Idaho, Kansas, Montana, Nebraska, North Dakota, South Dakota, Utah, Wyoming.

Wyoming counties with USDA records: Albany, Big Horn, Campbell, Carbon, Converse, Crook, Fremont, Goshen, Hot Springs, Johnson, Laramie, Lincoln, Natrona, Niobrara, Park, Platte, Sheridan, Sublette, Sweetwater, Uinta, Washakie, Weston.

More Wyoming flowers

Sources