
Flower profile
California poppy
Eschscholzia californica
California poppy (Eschscholzia californica) is a flowering plant in the Papaveraceae family, native in the lower 48 states, blooming mostly March–June across the U.S.
California poppy is a wildflower that USDA PLANTS lists as native in the lower 48 states. It's on our flower lists for 4 states, and across the U.S. it's most often seen in bloom in March–June.
*iNaturalist research-grade observations, as of October 17, 2026.
On our lists for: Arizona, California, Oregon, Washington
Quick look
Eschscholzia californica, the California poppy, golden poppy, Mexican poppy, California sunlight or cup of gold, is a species of flowering plant in the family Papaveraceae, native to the United States and Mexico. It is cultivated as an ornamental plant flowering in summer, with showy flowers in brilliant shades of red, orange and yellow. It is also used as food or a garnish.
- It belongs to the Papaveraceae family. iNaturalist
- USDA PLANTS describes it as an herb (forb) with a annual, perennial life cycle. USDA PLANTS
- USDA PLANTS lists it as native in the lower 48 states and records it in 32 states. USDA PLANTS
- NatureServe lists it as native to California, Oregon and Washington. NatureServe
- NatureServe lists it as not native to Arizona. NatureServe
- In California, most iNaturalist sightings of it in flower come in March–May. iNaturalist
- In Arizona, most iNaturalist sightings of it in flower come in February–April. iNaturalist
- USDA PLANTS lists its flower color as orange. USDA PLANTS
- USDA PLANTS gives its bloom period as late spring. USDA PLANTS
- USDA PLANTS lists a mature height of about 1.2 ft. USDA PLANTS
- iNaturalist has 61,113 research-grade sightings of it in California, ranking #1 among the 178 flowers on our California list. iNaturalist
- iNaturalist has 5,901 research-grade sightings of it in Arizona, ranking #14 among the 132 flowers on our Arizona list. iNaturalist
- iNaturalist has 3,467 research-grade sightings of it in Oregon, ranking #45 among the 184 flowers on our Oregon list. iNaturalist
When does it bloom?
Bloom time in the 4 states whose Bloomipedia list includes it
| State | Type | Peak bloom | Sightings* |
|---|---|---|---|
| California | Native | March–May | 61,113 |
| Arizona | Introduced | February–April | 5,901 |
| Oregon | Native | April–June | 3,467 |
| Washington | Native | May–August | 2,754 |
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)
- Arizona
- Not listed Not on Arizona Native Plant Law protected plants (Ariz. Admin. Code R3-3 Art. 11, App. A, eff. Feb. 2, 2025). NatureServe: SNA, not applicable (usually because it isn't native there) in Arizona. AAC R3-3 App. A
- Oregon
- Not listed Not on Oregon endangered and threatened plants (OAR 603-073-0070). NatureServe: SNR, not yet ranked in Oregon. OAR 603-073-0070
- Washington
- No list Washington has no state law listing endangered or threatened plants (the Washington Natural Heritage Program's rare plant list isn't regulatory), so we show NatureServe's Washington ranks instead. NatureServe: SNR, not yet ranked in Washington.
- 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?
NC State Extension notes: “The leaves and stems can be eaten.” NC State Extension
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 California poppy in 32 states.
recorded by USDA PLANTS on our state lists not recorded
See the full list of states
Alabama, Alaska, Arizona, California, Colorado, Connecticut, Delaware, Georgia, Hawaii, Idaho, Illinois, Kentucky, Louisiana, Massachusetts, Michigan, Missouri, Nebraska, Nevada, New Hampshire, New Mexico, New York, North Carolina, Ohio, Oregon, Pennsylvania, South Carolina, Tennessee, Texas, Utah, Washington, Wisconsin, Wyoming.
California counties with USDA records: Alameda, Alpine, Amador, Butte, Calaveras, Colusa, Contra Costa, Del Norte, El Dorado, Fresno, Glenn, Humboldt, Inyo, Kern, Kings, Lake, Lassen, Los Angeles, Madera, Marin, Mariposa, Mendocino, Merced, Modoc, Mono, Monterey, Napa, Nevada, Orange, Plumas, Riverside, Sacramento, San Benito, San Bernardino, San Diego, San Francisco, San Joaquin, San Luis Obispo, San Mateo, Santa Barbara, Santa Clara, Santa Cruz, Shasta, Siskiyou, Solano, Sonoma, Stanislaus, Sutter, Trinity, Tulare, Tuolumne, Ventura, Yolo.
Arizona counties with USDA records: Cochise, Coconino, Gila, Graham, Greenlee, La Paz, Maricopa, Mohave, Pima, Pinal, Santa Cruz, Yavapai, Yuma.
Oregon counties with USDA records: Benton, Clackamas, Coos, Curry, Douglas, Hood River, Jackson, Josephine, Klamath, Lake, Lane, Linn, Marion, Multnomah, Polk, Wasco, Washington, Yamhill.
Growing conditions
USDA PLANTS gives California poppy a medium shade tolerance, medium drought tolerance and low moisture use. It is rated for soil pH 5.8 to 7.5 and winter lows down to 7 °F.
- Shade tolerance
- Medium
- Drought tolerance
- Medium
- Moisture use
- Low
- Soil textures it is adapted to
- medium, fine
- Soil pH range
- 5.8 to 7.5
- Minimum temperature tolerated
- 7 °F
- Frost-free days needed (minimum)
- 120
- Annual precipitation range
- 8 to 18 inches
- Minimum root depth
- 10 inches
- Salinity tolerance
- None
- Fertility requirement
- Low
- Growth rate
- Moderate
- Lifespan
- Short
- Active growth period
- Spring, Summer, Fall
- Fruit or seed
- Brown · Summer to Summer
- Can be propagated by
- container, seed
- Commercial availability
- Routinely Available
From the USDA PLANTS characteristics data for ESCA2. USDA ratings are general guidance for the species, not a guarantee for your garden.
Names, range and relatives
Native status by region (USDA PLANTS): Alaska: Introduced; Canada: Introduced; Hawaii: Introduced; Lower 48 states: Native.
County records: USDA PLANTS lists it in 159 counties across 27 states; the most are in California (53), Oregon (18), Arizona (13).
Other Eschscholzia on Bloomipedia (1): Mojave poppy.
More from the Papaveraceae family (16 on Bloomipedia; most observed first): Bloodroot, Dutchman's breeches, Greater celandine, Pacific bleeding heart, Celandine poppy, Bush poppy, Squirrel corn, Yellow corydalis.
More California flowers
Sources
- USDA, NRCS. PLANTS Database, profile ESCA2.
- iNaturalist, Eschscholzia californica: taxonomy, research-grade observation counts and “Flowering” annotations, retrieved October 17, 2026.
- Wikipedia, Eschscholzia californica (lead quoted under CC BY-SA 4.0).
- Cal. Gov. Code § 421: California state flower.
- California: California state-listed endangered, threatened and rare plants (14 CCR § 670.2), per CDFW's CNDDB list (July 2026).
- California: California noxious weed species (3 CCR § 4500).
- Arizona: Arizona Native Plant Law protected plants (Ariz. Admin. Code R3-3 Art. 11, App. A, eff. Feb. 2, 2025).
- Arizona: Arizona prohibited noxious weeds (Ariz. Admin. Code R3-4-245).
- Oregon: Oregon endangered and threatened plants (OAR 603-073-0070).
- Oregon: Oregon noxious weed quarantine, A and B weeds (OAR 603-052-1200).
- Washington: Washington State noxious weed list (WAC 16-750-005, -011, -015).
- USFWS, ECOS species database (ESA listing check), October 17, 2026.
- NatureServe Explorer, Eschscholzia californica (global and state ranks).
- Edibility and toxicity: NC State Extension.
- Photo: Isaac Ethington via iNaturalist · CC BY 4.0 · resized.


