Hamilton County, Tennessee
Local growing conditions for Hamilton County: the USDA hardiness zones found here, frost dates, and live weather for communities across the county. Based on 26 ZIP codes in our data.
Hardiness zones in Hamilton County
Hamilton County spans these USDA plant hardiness zones (by number of ZIP codes):
Local weather & frost dates
Open any community in Hamilton County for its live forecast, frost dates, and planting calendar:
Lookout Mountain 37350
Chattanooga 37409
Apison 37302
Sale Creek 37308
Collegedale 37315
Hopewell 37336
Lakesite 37341
Middle Valley 37343
Chattanooga 37351
Chattanooga 37363
Sale Creek 37373
Lone Oak 37377
Mowbray Mountain 37379
Chattanooga 37402
Chattanooga 37403
Chattanooga 37404
Chattanooga 37406
Chattanooga 37407
Chattanooga 37408
Chattanooga 37410
Chattanooga 37411
East Ridge 37412
Red Bank 37415
Chattanooga 37416
More for Tennessee
- Agriculture in Tennessee
- Frost dates across Tennessee
- 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.