Bloomipedia
Catclaw acacia (Senegalia greggii)
Photo: Bob Miller via iNaturalist · CC BY 4.0 · resized

Flower profile

Catclaw acacia

Senegalia greggii

Native in the lower 48

Catclaw acacia is a flowering plant that USDA PLANTS lists as native in the lower 48 states. It's on our flower lists for 2 states, and across the U.S. it's most often seen in bloom in April–June.

6states
2of our state lists
10,997U.S. sightings*

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

On our lists for: Arizona, Nevada

Quick look

Senegalia greggii, formerly known as Acacia greggii, is a species of tree in the genus Senegalia native to the southwestern United States and northern Mexico.

  • It belongs to the Fabaceae family. iNaturalist
  • USDA PLANTS describes it as a shrub / a tree with a 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 Arizona and Nevada. NatureServe
  • In Arizona, most iNaturalist sightings of it in flower come in March–June. iNaturalist
  • In Nevada, most iNaturalist sightings of it in flower come in April–June. iNaturalist
  • USDA PLANTS lists its flower color as yellow. USDA PLANTS
  • USDA PLANTS gives its bloom period as mid spring. USDA PLANTS
  • USDA PLANTS lists a mature height of about 20 ft. USDA PLANTS
  • iNaturalist has 3,304 research-grade sightings of it in Arizona, ranking #29 among the 109 flowers on our Arizona list. iNaturalist
  • iNaturalist has 1,420 research-grade sightings of it in Nevada, ranking #17 among the 110 flowers on our Nevada list. iNaturalist

Catclaw acacia gift ideas

Handmade catclaw acacia gifts from independent makers.

When does it bloom?

Flowering records by month across the U.S. (iNaturalist research-grade observations marked “Flowering”) (866 records)
Bloom time in each of our 2 states
StateTypePeak bloomSightings*
ArizonaNativeMarch–June3,304
NevadaNativeApril–June1,420

Conservation status

Federal (U.S. ESA)
Not listed No U.S. Endangered Species Act listing in the USFWS ECOS database. USFWS ECOS
NatureServe global
G4 Apparently secure worldwide. NatureServe
Arizona
Not listed Not on Arizona Native Plant Law protected plants (Ariz. Admin. Code R3-3 Art. 11, App. A, eff. Feb. 2, 2025). NatureServe: SNR, not yet ranked in Arizona. AAC R3-3 App. A
Nevada
Not listed Not on Nevada fully protected plants, critically endangered (NAC 527.010). NatureServe: S3, vulnerable 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.

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 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 catclaw acacia in 6 states.

recorded by USDA PLANTS on our state lists not recorded

See the full list of states

Arizona, California, Nevada, New Mexico, Texas, Utah.

Arizona counties with USDA records: Cochise, Coconino, Gila, Graham, Greenlee, La Paz, Maricopa, Mohave, Pima, Pinal, Santa Cruz, Yavapai, Yuma.

Nevada counties with USDA records: Clark, Lincoln, Nye.

More Arizona flowers

Sources