Dallas County, Texas
Local growing conditions for Dallas County: the USDA hardiness zones found here, frost dates, and live weather for communities across the county. Based on 84 ZIP codes in our data.
Hardiness zones in Dallas County
Dallas County spans these USDA plant hardiness zones (by number of ZIP codes):
Local weather & frost dates
Open any community in Dallas County for its live forecast, frost dates, and planting calendar:
Dallas 75249
Addison 75001
Carrollton 75006
Coppell 75019
Irving 75038
Irving 75039
Garland 75040
Garland 75041
Garland 75042
Garland 75043
Garland 75044
Sachse 75048
Grand Prairie 75050
Grand Prairie 75051
Grand Prairie 75052
Irving 75060
Irving 75061
Irving 75062
Irving 75063
Richardson 75080
Richardson 75081
Rowlett 75088
Rowlett 75089
Cedar Hill 75104
More for Texas
- Agriculture in Texas
- Frost dates across Texas
- 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.