Sullivan County, Pennsylvania
Local growing conditions for Sullivan County: the USDA hardiness zones found here, frost dates, and live weather for communities across the county. Based on 9 ZIP codes in our data.
Hardiness zones in Sullivan County
Sullivan County spans these USDA plant hardiness zones (by number of ZIP codes):
Local weather & frost dates
Open any community in Sullivan County for its live forecast, frost dates, and planting calendar:
Eagles Mere 17731
Eagles Mere 17758
Canton 17768
Mildred 18614
Forksville 18616
Forksville 18619
Laporte 18626
Mildred 18628
Mildred 18632
More for Pennsylvania
- Agriculture in Pennsylvania
- Frost dates across Pennsylvania
- USDA hardiness zones explained
- Planting calendar by ZIP code
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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.