Bloomipedia
Lupines (Lupinus)
Photo: Michelle W. (鍾偉瑋) via iNaturalist · CC BY 4.0 · resized

Flower profile

Lupines

Lupinus

★ Official state flower of Texas (1901)Native in the lower 48

Lupines is a wildflower that USDA PLANTS lists as native in the lower 48 states. In Texas it's most often seen in bloom in March–April.

10states
32,351TX sightings*
156,160U.S. sightings*

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

On our lists for: Texas

🏅
Texas's official state flower since 1901. Visit the Texas page → Tex. Gov't Code § 3101.008 The 1901 resolution named Lupinus subcarnosus; in 1971 the Legislature extended it to all Texas bluebonnets, so this page covers the genus.

Quick look

Lupinus, commonly known as lupin, lupine, or regionally bluebonnet, is a genus of plants in the legume family Fabaceae. The genus includes over 199 species, with centres of diversity in North and South America. Smaller centres occur in North Africa and the Mediterranean. They are widely cultivated both as a food source and as ornamental plants, but are invasive to some areas.

  • 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 10 states. USDA PLANTS
  • In Texas, most iNaturalist sightings of it in flower come in March–April. iNaturalist
  • USDA PLANTS lists its flower color as purple. USDA PLANTS
  • USDA PLANTS gives its bloom period as summer. USDA PLANTS
  • USDA PLANTS lists a mature height of about 2.2 ft. USDA PLANTS
  • iNaturalist has 32,351 research-grade sightings of it in Texas, ranking #4 among the 109 flowers on our Texas list. iNaturalist

Lupines gift ideas

Handmade lupines gifts from independent makers.

When does it bloom?

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

Flowering records by month in Texas (iNaturalist research-grade observations marked “Flowering”) (9,486 records)

Conservation status

Federal (U.S. ESA)
Not listed No U.S. Endangered Species Act listing in the USFWS ECOS database. USFWS ECOS
NatureServe
Unknown We couldn't find this name in NatureServe Explorer. NatureServe
Texas
n/a Texas's list is by species, so a whole genus isn't assessed. 31 TAC 69.8

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

Can you eat it?

For peoplePoisonous to people

NC State Extension lists it as poisonous to humans (severity: low). Poisonous parts: seeds. Symptoms they list: “TOXIC ONLY IF LARGE QUANTITIES EATEN. Respiratory depression and slow heartbeat, sleepiness, and convulsions.” NC State Extension

For petsNot well documented

It isn't on the ASPCA plant list, and NC State Extension doesn't flag it for pets.

🌿 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 lupines in 10 states.

recorded by USDA PLANTS on our state lists not recorded

See the full list of states

Arizona, California, Colorado, Idaho, Montana, Nebraska, Nevada, New Mexico, Utah, Wyoming.

More Texas flowers

Sources