Philadelphia County, Pennsylvania
Local growing conditions for Philadelphia County: the USDA hardiness zones found here, frost dates, and live weather for communities across the county. Based on 49 ZIP codes in our data.
Hardiness zones in Philadelphia County
Philadelphia County spans these USDA plant hardiness zones (by number of ZIP codes):
Local weather & frost dates
Open any community in Philadelphia County for its live forecast, frost dates, and planting calendar:
Philadelphia 19102
Philadelphia 19103
Philadelphia 19130
Philadelphia 19104
Philadelphia 19106
Philadelphia 19107
Philadelphia 19108
Philadelphia 19109
Philadelphia 19111
Philadelphia 19112
Philadelphia 19114
Philadelphia 19115
Philadelphia 19116
Philadelphia 19118
Philadelphia 19119
Philadelphia 19120
Philadelphia 19121
Philadelphia 19122
Philadelphia 19123
Philadelphia 19124
Philadelphia 19125
Philadelphia 19126
Philadelphia 19127
Philadelphia 19128
More for Pennsylvania
- Agriculture in Pennsylvania
- Frost dates across Pennsylvania
- USDA hardiness zones explained
- Planting calendar by ZIP code
← All counties in Pennsylvania
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.