Los Alamos County, New Mexico
Local growing conditions for Los Alamos County: the USDA hardiness zones found here, frost dates, and live weather for communities across the county. Based on 1 ZIP code in our data.
Hardiness zones in Los Alamos County
Los Alamos County spans these USDA plant hardiness zones (by number of ZIP codes):
Local weather & frost dates
Open any community in Los Alamos County for its live forecast, frost dates, and planting calendar:
More for New Mexico
- Agriculture in New Mexico
- Frost dates across New Mexico
- 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.