Ogle County, Illinois
Local growing conditions for Ogle County: the USDA hardiness zones found here, frost dates, and live weather for communities across the county. Based on 17 ZIP codes in our data.
Hardiness zones in Ogle County
Ogle County spans these USDA plant hardiness zones (by number of ZIP codes):
Local weather & frost dates
Open any community in Ogle County for its live forecast, frost dates, and planting calendar:
Creston 60113
Hillcrest 60129
Baileyville 61007
Byron 61010
Kings 61015
Davis Junction 61020
Forreston 61030
Holcomb 61043
Leaf River 61047
Monroe Center 61049
Monroe Center 61052
Mount Morris 61054
Oregon 61061
Polo 61064
Hillcrest 61068
Stillman Valley 61084
Dixon 61091
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.