Jackson County, Illinois
Local growing conditions for Jackson County: the USDA hardiness zones found here, frost dates, and live weather for communities across the county. Based on 15 ZIP codes in our data.
Hardiness zones in Jackson County
Jackson County spans these USDA plant hardiness zones (by number of ZIP codes):
Local weather & frost dates
Open any community in Jackson County for its live forecast, frost dates, and planting calendar:
Rockwood 62280
Carbondale 62901
Carbondale 62903
Ava 62907
Campbell Hill 62916
De Soto 62924
Dowell 62927
Elkville 62932
Gorham 62940
Grand Tower 62942
Gorham 62950
Makanda 62958
Murphysboro 62966
Alto Pass 62975
Vergennes 62994
More for Illinois
- Agriculture in Illinois
- Frost dates across Illinois
- 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.