Union Parish, Louisiana
Local growing conditions for Union Parish: 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 Union Parish
Union Parish spans these USDA plant hardiness zones (by number of ZIP codes):
Local weather & frost dates
Open any community in Union Parish for its live forecast, frost dates, and planting calendar:
Bernice 71222
Downsville 71234
Farmerville 71241
Lillie 71256
Marion 71260
Spearsville 71277
Sterlington 71280
More for Louisiana
- Agriculture in Louisiana
- Frost dates across Louisiana
- 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.