Bloomipedia
Checkerbloom (Sidalcea malviflora)
Photo: Irene via iNaturalist · CC0 · resized

Flower profile

Checkerbloom

Sidalcea malviflora

Native to California

Checkerbloom 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.

3states
12,940CA sightings*
12,971U.S. sightings*

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

On our lists for: California

Quick look

Sidalcea malviflora is a species of flowering plant in the mallow family, known by the common names dwarf checkerbloom, Greek mallow, prairie mallow and dwarf checkermallow.

  • It belongs to the Malvaceae 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 3 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 12,940 research-grade sightings of it in California, ranking #61 among the 110 flowers on our California list. iNaturalist

Checkerbloom gift ideas

Handmade checkerbloom gifts from independent makers.

🌱 Sample spot. Handmade gift picks from independent shops will appear here once our shop partnership is approved. These cards are placeholders, not real products.

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    Checkerbloom art print

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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”) (5,191 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 checkerbloom 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, Contra Costa, Del Norte, Humboldt, Lake, Los Angeles, Marin, Mendocino, Merced, Monterey, Napa, San Benito, San Bernardino, San Diego, San Francisco, San Joaquin, San Luis Obispo, San Mateo, Santa Barbara, Santa Clara, Santa Cruz, Solano, Sonoma, Ventura.

More California flowers

Apricot globemallow (Sphaeralcea ambigua)

Apricot globemallow

Sphaeralcea ambigua

Native

🌼 Blooms in CA: February–June
California poppy (Eschscholzia californica)

California poppy

Eschscholzia californica

★ CA state flowerNative

🌼 Blooms in CA: February–July
California buckwheat (Eriogonum fasciculatum)

California buckwheat

Eriogonum fasciculatum

Native

🌼 Blooms in CA: January–December

Sources