Butler County, Pennsylvania
Local growing conditions for Butler County: the USDA hardiness zones found here, frost dates, and live weather for communities across the county. Based on 31 ZIP codes in our data.
Hardiness zones in Butler County
Butler County spans these USDA plant hardiness zones (by number of ZIP codes):
Local weather & frost dates
Open any community in Butler County for its live forecast, frost dates, and planting calendar:
Shanor-Northvue 16001
Meadowood 16002
Boyers 16020
Bruin 16022
Saxonburg 16023
Callery 16024
Chicora 16025
Connoquenessing 16027
East Butler 16029
Eau Claire 16030
Connoquenessing 16033
Fenelton 16034
Forestville 16035
Harmony 16037
Barkeyville 16038
North Washington 16040
Petrolia 16041
Homeacre-Lyndora 16045
Mars 16046
North Washington 16048
Bruin 16050
Portersville 16051
Prospect 16052
Renfrew 16053
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.