Calflora, a 501c3 non-profit
Distribution by County   8630    
Allium cepa  L.
Garden onion
Allium cepa is a perennial herb (bulb) that is not native to California.
Record Count by County

Butte: 1 Orange: 2 San Francisco: 1 Santa Barbara: 1
Lake: 1 Riverside: 1 San Joaquin: 1 Santa Clara: 1
Marin: 1 San Benito: 1 San Luis Obispo: 3

Suggested Citation
Calflora: Information on California plants for education, research and conservation, with data contributed by public and private institutions and individuals, including the Consortium of California Herbaria. [web application]. 2026. The Calflora Database [a non-profit organization]. Available: https://www.calflora.org/   (Accessed: 01/14/2026).