Calflora, a 501c3 non-profit
Distribution by County   5414    
Mentha pulegium  L.
Pennyroyal
Mentha pulegium is a perennial herb that is not native to California.
Cal-IPC rating: moderate
Record Count by County

Alameda: 38 Lake: 12 Sacramento: 53 Solano: 12
Amador: 10 Los Angeles: 3 San Benito: 4 Sonoma: 257
Butte: 45 Madera: 46 San Bernardino: 1 Stanislaus: 4
Calaveras: 7 Marin: 820 San Diego: 1 Sutter: 8
Colusa: 1 Mariposa: 13 San Francisco: 5 Tehama: 29
Contra Costa: 36 Mendocino: 141 San Joaquin: 8 Trinity: 16
Del Norte: 11 Merced: 11 San Luis Obispo: 17 Tulare: 19
El Dorado: 28 Modoc: 2 San Mateo: 122 Tuolumne: 1
Fresno: 87 Monterey: 30 Santa Barbara: 3 Ventura: 3
Glenn: 8 Napa: 32 Santa Clara: 68 Yolo: 30
Humboldt: 117 Nevada: 9 Santa Cruz: 32 Yuba: 6
Kings: 5 Placer: 9 Shasta: 41

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).