Calflora, a 501c3 non-profit
Distribution by County   7064    
Raphanus sativus  L.
Cultivated radish, Jointed charlock, Wild radish
Raphanus sativus is an annual or biennial herb that is not native to California.
Cal-IPC rating: limited
Record Count by County

Alameda: 95 Lake: 11 Plumas: 7 Sierra: 1
Amador: 11 Lassen: 3 Riverside: 69 Siskiyou: 2
Butte: 52 Los Angeles: 491 Sacramento: 100 Solano: 133
Calaveras: 11 Madera: 24 San Benito: 23 Sonoma: 126
Colusa: 13 Marin: 177 San Bernardino: 30 Stanislaus: 26
Contra Costa: 60 Mariposa: 20 San Diego: 494 Sutter: 25
Del Norte: 14 Mendocino: 106 San Francisco: 310 Tehama: 11
El Dorado: 11 Merced: 29 San Joaquin: 25 Trinity: 1
Fresno: 78 Modoc: 1 San Luis Obispo: 87 Tulare: 10
Glenn: 5 Monterey: 166 San Mateo: 205 Tuolumne: 6
Humboldt: 73 Napa: 33 Santa Barbara: 136 Ventura: 68
Inyo: 1 Nevada: 9 Santa Clara: 77 Yolo: 61
Kern: 6 Orange: 132 Santa Cruz: 141 Yuba: 17
Kings: 6 Placer: 25 Shasta: 10

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: 02/11/2026).