Bloomipedia
Sweet acacia (Vachellia farnesiana)
Photo: Linda Jo Conn via iNaturalist · CC BY 4.0 · resized

Flower profile

Sweet acacia

Vachellia farnesiana

Native to Texas

Sweet acacia is a flowering plant that USDA PLANTS lists as native in the lower 48 states. In Texas it's most often seen in bloom in February–April.

10states
7,208TX sightings*
9,325U.S. sightings*

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

On our lists for: Texas

Quick look

Vachellia farnesiana, also known as Acacia farnesiana, and previously Mimosa farnesiana, commonly known as sweet acacia, huisache, casha tree, or needle bush, is a species of shrub or small tree in the legume family, Fabaceae. Its flowers are used in the perfume industry.

  • 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 10 states. USDA PLANTS
  • NatureServe lists it as native to Texas. NatureServe
  • In Texas, most iNaturalist sightings of it in flower come in February–April. iNaturalist
  • iNaturalist has 7,208 research-grade sightings of it in Texas, ranking #90 among the 109 flowers on our Texas list. iNaturalist

Sweet acacia gift ideas

Handmade sweet acacia gifts from independent makers.

When does it bloom?

In Texas, most flowering sightings come in February–April.

Flowering records by month in Texas (iNaturalist research-grade observations marked “Flowering”) (504 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
Texas
Not listed Not on Texas endangered and threatened plants (31 Tex. Admin. Code § 69.8), as listed by Texas Parks and Wildlife. NatureServe: SNR, not yet ranked in Texas. 31 TAC 69.8
Rare elsewhere
Other states where NatureServe ranks it rare or missing: AZ (S2,SNA), GA (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 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 sweet acacia in 10 states.

recorded by USDA PLANTS on our state lists not recorded

See the full list of states

Alabama, Arizona, California, Florida, Georgia, Hawaii, Louisiana, Mississippi, New Mexico, Texas.

Texas counties with USDA records: Aransas, Atascosa, Austin, Bandera, Bastrop, Bell, Bexar, Blanco, Brazoria, Brazos, Brewster, Burleson, Calhoun, Cameron, Chambers, Colorado, DeWitt, Dimmit, Duval, Fayette, Fort Bend, Galveston, Goliad, Gonzales, Grimes, Hardin, Harris, Hays, Hidalgo, Hopkins, Jackson, Jefferson, Jim Hogg, Jim Wells, Karnes, Kenedy, Kinney, Kleberg, La Salle, Lavaca, Live Oak, Maverick, McLennan, McMullen, Medina, Montgomery, Nueces, Pecos, Presidio, Real, Refugio, San Jacinto, San Patricio, Starr, Tarrant, Terrell, Travis, Val Verde, Victoria, Walker, Waller, Washington, Webb, Willacy, Zapata, Zavala.

More Texas flowers

Sources