Bloomipedia
Puncture vine (Tribulus terrestris)
Photo: Jim Morefield via iNaturalist · CC BY 4.0 · resized

Flower profile

Puncture vine

Tribulus terrestris

Introduced in the lower 48

Puncture vine is a wildflower that USDA PLANTS lists as introduced 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 June–October.

40states
2of our state lists
9,682U.S. sightings*

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

On our lists for: Idaho, New Mexico

🚫
Regulated invasive plant in Idaho. It's on that state' official invasive plant list (Idaho: Statewide containment noxious weed). Please don't plant or share it there. IDAPA 02.06.09

Quick look

Tribulus terrestris is an annual plant in the caltrop family (Zygophyllaceae) widely distributed around the world. It is adapted to thrive in dry climate locations in which few other plants can survive, and is a highly invasive species.

  • It belongs to the Zygophyllaceae family. iNaturalist
  • USDA PLANTS describes it as an herb (forb) with a annual life cycle. USDA PLANTS
  • USDA PLANTS lists it as introduced in the lower 48 states and records it in 40 states. USDA PLANTS
  • NatureServe lists it as not native to New Mexico and Idaho. NatureServe
  • In New Mexico, most iNaturalist sightings of it in flower come in July–October. iNaturalist
  • In Idaho, most iNaturalist sightings of it in flower come in July–October. iNaturalist
  • iNaturalist has 753 research-grade sightings of it in New Mexico, ranking #77 among the 109 flowers on our New Mexico list. iNaturalist
  • iNaturalist has 399 research-grade sightings of it in Idaho, ranking #101 among the 109 flowers on our Idaho list. iNaturalist

State flower gift ideas

This one is a regulated invasive plant, so here are state flower gifts instead.

When does it bloom?

Flowering records by month across the U.S. (iNaturalist research-grade observations marked “Flowering”) (1,217 records)
Bloom time in each of our 2 states
StateTypePeak bloomSightings*
New MexicoIntroducedJuly–October753
IdahoIntroducedJuly–October399

Conservation status

Federal (U.S. ESA)
Not listed No U.S. Endangered Species Act listing in the USFWS ECOS database. USFWS ECOS
NatureServe global
GNR Not yet ranked worldwide. NatureServe
New Mexico
Not listed Not on New Mexico state endangered plant species (19.21.2.9 NMAC). NatureServe: SNA, not applicable (usually because it isn't native there) in New Mexico. 19.21.2.9 NMAC
Idaho
No list Idaho has no state law listing endangered or threatened plants, so we show NatureServe's Idaho ranks instead. NatureServe: SNA, not applicable (usually because it isn't native there) in Idaho.
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.

Can you eat it?

For peopleEdible (per NC State Extension)

NC State Extension notes: “The leaves and shoots are eaten in Asia” NC State Extension

For petsCan be a problem for horses

NC State Extension flags it as a problem for horses. It isn't on the ASPCA plant list. NC State Extension

🌿 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 puncture vine in 40 states.

recorded by USDA PLANTS on our state lists not recorded

See the full list of states

Arizona, Arkansas, California, Colorado, Florida, Hawaii, Idaho, Illinois, Indiana, Iowa, Kansas, Kentucky, Louisiana, Maryland, Massachusetts, Michigan, Minnesota, Mississippi, Missouri, Montana, Nebraska, Nevada, New Jersey, New Mexico, New York, North Carolina, North Dakota, Ohio, Oklahoma, Oregon, Pennsylvania, South Carolina, South Dakota, Tennessee, Texas, Utah, Virginia, Washington, Wisconsin, Wyoming.

New Mexico counties with USDA records: Bernalillo, Chaves, Curry, Eddy, Guadalupe, Los Alamos, McKinley, Mora, Quay, Rio Arriba, Roosevelt, San Juan, San Miguel, Sandoval, Santa Fe, Sierra, Socorro, Taos.

Idaho counties with USDA records: Ada, Adams, Bannock, Bingham, Blaine, Boise, Bonneville, Butte, Camas, Canyon, Caribou, Cassia, Clearwater, Elmore, Franklin, Fremont, Gem, Gooding, Idaho, Jefferson, Jerome, Latah, Lemhi, Lewis, Lincoln, Madison, Minidoka, Nez Perce, Oneida, Owyhee, Payette, Power, Twin Falls, Washington.

More New Mexico flowers

Sources