Sierra County, New Mexico
Local growing conditions for Sierra County: the USDA hardiness zones found here, frost dates, and live weather for communities across the county. Based on 9 ZIP codes in our data.
Hardiness zones in Sierra County
Sierra County spans these USDA plant hardiness zones (by number of ZIP codes):
Local weather & frost dates
Open any community in Sierra County for its live forecast, frost dates, and planting calendar:
Hot Springs Landing 87901
Arrey 87930
Oasis 87931
Garfield 87933
Truth or Consequences 87935
Truth or Consequences 87939
Las Palomas 87942
Winston 87943
Hillsboro 88042
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.