St. Lucie County, Florida
Local growing conditions for St. Lucie County: the USDA hardiness zones found here, frost dates, and live weather for communities across the county. Based on 14 ZIP codes in our data.
Hardiness zones in St. Lucie County
St. Lucie County spans these USDA plant hardiness zones (by number of ZIP codes):
Local weather & frost dates
Open any community in St. Lucie County for its live forecast, frost dates, and planting calendar:
Port St. Lucie 34945
St. Lucie Village 34946
Fort Pierce 34947
Fort Pierce 34949
Fort Pierce 34950
Lakewood Park 34951
Port St. Lucie 34952
Port St. Lucie 34953
Fort Pierce 34981
Indian River Estates 34982
Port St. Lucie 34983
Port St. Lucie 34984
Port St. Lucie 34986
Port St. Lucie 34987
More for Florida
- Agriculture in Florida
- Frost dates across Florida
- 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.