San Francisco County, California
Local growing conditions for San Francisco County: the USDA hardiness zones found here, frost dates, and live weather for communities across the county. Based on 28 ZIP codes in our data.
Hardiness zones in San Francisco County
San Francisco County spans these USDA plant hardiness zones (by number of ZIP codes):
Local weather & frost dates
Open any community in San Francisco County for its live forecast, frost dates, and planting calendar:
San Francisco 94102
San Francisco 94103
San Francisco 94104
San Francisco 94105
San Francisco 94107
San Francisco 94108
San Francisco 94109
San Francisco 94110
San Francisco 94111
San Francisco 94112
San Francisco 94114
San Francisco 94115
San Francisco 94116
San Francisco 94117
San Francisco 94118
San Francisco 94121
San Francisco 94122
San Francisco 94123
San Francisco 94124
San Francisco 94127
San Francisco 94129
San Francisco 94130
San Francisco 94131
San Francisco 94132
More for California
- Agriculture in California
- Frost dates across California
- USDA hardiness zones explained
- Planting calendar by ZIP code
County growing conditions are compiled from our ZIP-code database, USDA hardiness-zone data, and NOAA climate normals. Conditions vary within a county by elevation and local microclimate. Page updated Aug 4, 2026.