
Eschscholzia californica
California Poppy
Papaveraceae
At a Glance
- Common name
- California Poppy
- Scientific name
- Eschscholzia californica
- Family
- Papaveraceae
- Region
- North America
- Plant part
- Aerial parts, Root
- Caffeine
- Caffeine Free
- Evidence
- Insufficient
- Safety review
- Safety information on file
Safety & Cautions
Safety information on fileBotanical Description
A slender annual or perennial with finely divided grey-green leaves and cup-shaped four-petalled bright orange to yellow flowers on long stalks, followed by long slender seed pods.
Also known as: Copa de Oro, Golden Poppy, Cup of Gold
Historical Background
California's state flower, the California poppy has been used by Indigenous peoples of western North America as a gentle, non-narcotic relaxing herb for restlessness and troubled sleep. Unlike its opium-poppy relatives, it is a milder nervine with a long folk tradition.
Earliest recorded uses: Native American (especially California Indian) traditions as a gentle sedative and pain herb.
Traditional preparations:
- Aerial-part infusion
- Nervine sleep blend
- Tincture (off-tea)
Traditional Uses
These uses document historical traditions and do not imply proven effectiveness.
Native American Traditions
Gentle sedative for restlessness, sleep, and mild pain; non-narcotic nervine.
Modern Herbalism
Relaxing nervine for children and adults; sleep support.
Flavor & Aroma
Aroma: Mild, floral, green, slightly sweet
Tea Preparation
Modern Evidence
California poppy has a folk tradition as a gentle sedative for sleep and nervous tension. Clinical evidence is insufficient; a few small trials and preclinical studies suggest mild relaxing effects, but it is not a treatment for insomnia, anxiety, or pain.
Evidence levels describe the state of research for the traditional use discussed here, not a recommendation. Historical use does not imply effectiveness.
Related Herbs
Entry last updated August 4, 2026






