Bloomipedia
Felt paintbrush (Castilleja foliolosa)
Photo: Diego Blanco via iNaturalist · CC0 · resized

Flower profile

Felt paintbrush

Castilleja foliolosa

Felt paintbrush (Castilleja foliolosa) is a low shrub in the Orobanchaceae family, native in the lower 48 states, blooming mostly February–May across the U.S.

Native to California

Felt paintbrush is a wildflower that USDA PLANTS lists as native in the lower 48 states. In California it's most often seen in bloom in February–May.

1states where USDA records it
10,300CA sightings*
10,300U.S. sightings*

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

On our lists for: California

Quick look

Castilleja foliolosa is a species of paintbrush, known by the common names felt paintbrush and chaparral paintbrush.

  • It belongs to the Orobanchaceae family. iNaturalist
  • USDA PLANTS describes it as an herb (forb) / a subshrub with a perennial life cycle. USDA PLANTS
  • USDA PLANTS lists it as native in the lower 48 states and records it in 1 states. USDA PLANTS
  • NatureServe lists it as native to California. NatureServe
  • In California, most iNaturalist sightings of it in flower come in February–May. iNaturalist
  • iNaturalist has 10,300 research-grade sightings of it in California, ranking #91 among the 178 flowers on our California list. iNaturalist

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”) (1,444 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
G4 Apparently secure 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: SNR, not yet ranked 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 felt paintbrush in 1 states.

recorded by USDA PLANTS on our state lists not recorded

See the full list of states

California.

California counties with USDA records: Alameda, Amador, Calaveras, Colusa, Contra Costa, El Dorado, Fresno, Glenn, Humboldt, Kern, Lake, Los Angeles, Marin, Mariposa, Mendocino, Monterey, Napa, Orange, Riverside, Sacramento, San Benito, San Bernardino, San Diego, San Francisco, San Joaquin, San Luis Obispo, San Mateo, Santa Barbara, Santa Clara, Santa Cruz, Solano, Sonoma, Stanislaus, Tehama, Tuolumne, Ventura, Yolo.

Names, range and relatives

County records: USDA PLANTS lists it in 37 counties across 1 states; the most are in California (37).

Other Castilleja on Bloomipedia (11): Texas paintbrush, Purple owl's-clover, Giant red paintbrush, Desert paintbrush, Wholeleaf paintbrush, Wyoming paintbrush, Painted-cup paintbrush, Rhexia-leaved paintbrush, Downy painted-cup, Northern paintbrush.

More from the Orobanchaceae family (24 on Bloomipedia; most observed first): Canadian lousewort, Warrior's plume, Elephant's-Head lousewort, Narrowleaf cow wheat, Sickletop lousewort, Florida bluehearts, Bracted lousewort, Dwarf lousewort.

More California flowers

Sources