Lake County, Indiana
Local growing conditions for Lake County: the USDA hardiness zones found here, frost dates, and live weather for communities across the county. Based on 27 ZIP codes in our data.
Hardiness zones in Lake County
Lake County spans these USDA plant hardiness zones (by number of ZIP codes):
Local weather & frost dates
Open any community in Lake County for its live forecast, frost dates, and planting calendar:
Lowell 46356
Cedar Lake 46303
Crown Point 46307
Dyer 46311
East Chicago 46312
Griffith 46319
Hammond 46320
Munster 46321
Highland 46322
Hammond 46323
Hammond 46324
Hammond 46327
Hobart 46342
St. John 46373
Schererville 46375
Schneider 46376
Shelby 46377
Whiting 46394
Gary 46402
Gary 46403
Gary 46404
Lake Station 46405
Gary 46406
Gary 46407
More for Indiana
- Agriculture in Indiana
- Frost dates across Indiana
- 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.