Champaign County, Illinois
Local growing conditions for Champaign County: the USDA hardiness zones found here, frost dates, and live weather for communities across the county. Based on 29 ZIP codes in our data.
Hardiness zones in Champaign County
Champaign County spans these USDA plant hardiness zones (by number of ZIP codes):
Local weather & frost dates
Open any community in Champaign County for its live forecast, frost dates, and planting calendar:
Rantoul 61866
Ludlow 60949
Urbana 61801
Urbana 61802
Bondville 61815
Broadlands 61816
Champaign 61820
Champaign 61821
Champaign 61822
Dewey 61840
Fisher 61843
Foosland 61845
Gifford 61847
Homer 61849
Ivesdale 61851
Longview 61852
Mahomet 61853
Ogden 61859
Penfield 61862
Pesotum 61863
Philo 61864
Royal 61871
Sadorus 61872
St. Joseph 61873
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.