Jefferson Parish, Louisiana
Local growing conditions for Jefferson Parish: the USDA hardiness zones found here, frost dates, and live weather for communities across the county. Based on 17 ZIP codes in our data.
Hardiness zones in Jefferson Parish
Jefferson Parish spans these USDA plant hardiness zones (by number of ZIP codes):
Local weather & frost dates
Open any community in Jefferson Parish for its live forecast, frost dates, and planting calendar:
Gretna 70053
Kenner 70062
Metairie 70001
Metairie 70002
Metairie 70003
Metairie 70005
Metairie 70006
Barataria 70036
Terrytown 70056
Harvey 70058
Kenner 70065
Lafitte 70067
Estelle 70072
Avondale 70094
Jefferson 70121
Harahan 70123
Grand Isle 70358
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.