“To extend research-based knowledge and information on home horticulture, pest management and sustainable landscaping practices to the residents of California.”
In Our Communities
Since 1980, the UC Master Gardener Program has grown to 6,303 active volunteers and trained 33,901 people across fifty-two counties. UC Master Gardeners come from a variety of backgrounds and have a passion for helping others. They receive horticulture training and learn how to support gardeners and community partners. Working together, UC Master Gardeners are dedicated to empowering neighbors, conserving natural resources, protecting the environment, and supporting resilience in light of our changing climate.
Volunteers by County
Single-county programs
Alameda 220 Amador 66 Butte 107 Calaveras 78 Colusa 18 Contra Costa 255 El Dorado 161 Fresno 180 Glenn 9 Lake 35 Los Angeles 382 Madera 36 | Marin 348 Mariposa 82 Mendocino 30 Merced 53 Napa 163 Nevada 125 Orange 292 Placer 166 Riverside 311 Sacramento 216 San Bernardino 214 San Diego 337 | San Joaquin 145 San Luis Obispo 136 Santa Barbara 56 Santa Clara 302 Shasta 45 Solano 149 Sonoma 296 Stanislaus 67 Trinity 15 Tuolumne 93 Ventura 200 |
Multi-county programs
Del Norte-Humboldt 48
Inyo-Mono 49
Kings-Tulare 98
Lake Tahoe Basin 66
Monterey-SantaCruz 145
Plumas-Sierra 10
San Francisco-San Mateo 197
Sutter-Yuba 59