Mifflin County, Pennsylvania
Local growing conditions for Mifflin County: the USDA hardiness zones found here, frost dates, and live weather for communities across the county. Based on 11 ZIP codes in our data.
Hardiness zones in Mifflin County
Mifflin County spans these USDA plant hardiness zones (by number of ZIP codes):
Local weather & frost dates
Open any community in Mifflin County for its live forecast, frost dates, and planting calendar:
Belleville 17004
Burnham 17009
Granville 17029
Juniata Terrace 17044
Atkinson Mills 17051
Mattawana 17054
Siglerville 17063
Newton Hamilton 17075
Church Hill 17084
Yeagertown 17099
McClure 17841
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.