Bloomipedia
French broom (Genista monspessulana)
Photo: Dave West via iNaturalist · CC0 · resized

Flower profile

French broom

Genista monspessulana

Not native to California

French broom is a flowering plant that USDA PLANTS lists as introduced in the lower 48 states. In California it's most often seen in bloom in February–May.

3states
9,175CA sightings*
9,247U.S. sightings*

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

On our lists for: California

🚫
Regulated invasive plant in California. It's on that state' official invasive plant list (California: Noxious weed (3 CCR § 4500)). Please don't plant or share it there. 3 CCR § 4500

Quick look

Genista monspessulana, commonly known as French broom, Montpellier broom, or Cape broom (Australia), is a woody leguminous perennial shrub. The yellow-flowering bush is native to the Mediterranean region, and while it may still be commonly sold in some garden stores, it is considered an invasive plant in most places where it has been introduced.

  • It belongs to the Fabaceae family. iNaturalist
  • USDA PLANTS describes it as a shrub with a perennial life cycle. USDA PLANTS
  • USDA PLANTS lists it as introduced in the lower 48 states and records it in 3 states. USDA PLANTS
  • NatureServe lists it as not native to California. NatureServe
  • In California, most iNaturalist sightings of it in flower come in February–May. iNaturalist
  • iNaturalist has 9,175 research-grade sightings of it in California, ranking #100 among the 110 flowers on our California list. iNaturalist

State flower gift ideas

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

When does it bloom?

In California, most flowering sightings come in February–May.

Flowering records by month in California (iNaturalist research-grade observations marked “Flowering”) (1,272 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
GNR Not yet ranked worldwide. NatureServe
California
Not listed Not on California state-listed endangered, threatened and rare plants (14 CCR § 670.2), per CDFW's CNDDB list (July 2026). NatureServe: SNA, not applicable (usually because it isn't native there) in California. CNDDB listed plants (July 2026)
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 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 french broom in 3 states.

recorded by USDA PLANTS on our state lists not recorded

See the full list of states

California, Oregon, Washington.

California counties with USDA records: Alameda, Butte, Contra Costa, Humboldt, Kern, Marin, Mendocino, Monterey, Napa, Plumas, San Bernardino, San Diego, San Francisco, San Luis Obispo, San Mateo, Santa Barbara, Santa Cruz, Shasta, Solano, Sonoma.

More California flowers

Sources