Box Elder County, Utah
Local growing conditions for Box Elder County: the USDA hardiness zones found here, frost dates, and live weather for communities across the county. Based on 18 ZIP codes in our data.
Hardiness zones in Box Elder County
Box Elder County spans these USDA plant hardiness zones (by number of ZIP codes):
Local weather & frost dates
Open any community in Box Elder County for its live forecast, frost dates, and planting calendar:
Bear River City 84301
Honeyville 84302
Peter 84306
Thatcher 84307
Deweyville 84309
Fielding 84311
Riverside 84312
Montello 84313
Honeyville 84314
Howell 84316
Mantua 84324
Malta 84329
Plymouth 84330
Portage 84331
Riverside 84334
Snowville 84336
Thatcher 84337
Brigham City 84340
More for Utah
- Agriculture in Utah
- Frost dates across Utah
- 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.