Mountrail County, North Dakota

Local growing conditions for Mountrail County: the USDA hardiness zones found here, frost dates, and live weather for communities across the county. Based on 7 ZIP codes in our data.

Hardiness zones in Mountrail County

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

Zone 4 (7)

Local weather & frost dates

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

Stanley 58784 Four Bears Village 58763 Palermo 58769 Ross 58776 White Earth 58794

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.