Lee County, Illinois
Local growing conditions for Lee County: the USDA hardiness zones found here, frost dates, and live weather for communities across the county. Based on 14 ZIP codes in our data.
Hardiness zones in Lee County
Lee County spans these USDA plant hardiness zones (by number of ZIP codes):
Local weather & frost dates
Open any community in Lee County for its live forecast, frost dates, and planting calendar:
Lee 60530
Steward 60553
Ashton 61006
Dixon 61021
Franklin Grove 61031
Harmon 61042
Nachusa 61057
Amboy 61310
Compton 61318
Amboy 61324
Lee Center 61331
Paw Paw 61353
Sublette 61367
West Brooklyn 61378
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.