Calflora, a 501c3 non-profit
Distribution by County   166    
Alcea rosea  L.
Holly hock,   Hollyhock
Alcea rosea is a perennial herb that is not native to California.
Record Count by County

Alameda: 3 Los Angeles: 24 Sacramento: 1 Santa Barbara: 12
Butte: 1 Mendocino: 1 San Bernardino: 13 Santa Clara: 7
Calaveras: 1 Napa: 1 San Diego: 4 Solano: 1
Contra Costa: 2 Orange: 7 San Joaquin: 1 Ventura: 4
Fresno: 1 Riverside: 3 San Luis Obispo: 2 Yolo: 1

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]. 2024. Berkeley, California: The Calflora Database [a non-profit organization]. Available: https://www.calflora.org/   (Accessed: 11/26/2024).