Sullivan County, New York
Local growing conditions for Sullivan County: the USDA hardiness zones found here, frost dates, and live weather for communities across the county. Based on 52 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:
Liberty 12754
Cragsmoor 12483
Monticello 12701
Barryville 12719
Smallwood 12720
Bloomingburg 12721
Walker Valley 12722
Hortonville 12723
Roscoe 12724
Lake Huntington 12726
Eldred 12732
Fallsburg 12733
Swan Lake 12734
Hankins 12736
Eldred 12737
Rock Hill 12738
Hankins 12741
Hurleyville 12742
Eldred 12743
Hortonville 12745
Loch Sheldrake 12747
Jeffersonville 12748
Kauneonga Lake 12749
Hortonville 12750
More for New York
- Agriculture in New York
- Frost dates across New York
- 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.