Harrison County, Mississippi
Local growing conditions for Harrison County: the USDA hardiness zones found here, frost dates, and live weather for communities across the county. Based on 11 ZIP codes in our data.
Hardiness zones in Harrison County
Harrison County spans these USDA plant hardiness zones (by number of ZIP codes):
Local weather & frost dates
Open any community in Harrison County for its live forecast, frost dates, and planting calendar:
Gulfport 39501
Lyman 39503
Gulfport 39507
Biloxi 39530
Biloxi 39531
Biloxi 39532
Biloxi 39534
D'Iberville 39540
Long Beach 39560
DeLisle 39571
Saucier 39574
More for Mississippi
- Agriculture in Mississippi
- Frost dates across Mississippi
- 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.