Divide County, North Dakota

Local growing conditions for Divide County: the USDA hardiness zones found here, frost dates, and live weather for communities across the county. Based on 5 ZIP codes in our data.

Hardiness zones in Divide County

Divide County spans these USDA plant hardiness zones (by number of ZIP codes):

Zone 3 (3) Zone 4 (2)

Local weather & frost dates

Open any community in Divide County for its live forecast, frost dates, and planting calendar:

Crosby 58730 Noonan 58765 Wildrose 58795 Ambrose 58833 Fortuna 58844

More for North Dakota

Agriculture in North Dakota
Frost dates across North Dakota
USDA hardiness zones explained
Planting calendar by ZIP code

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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.