Harris County, Texas
Local growing conditions for Harris County: the USDA hardiness zones found here, frost dates, and live weather for communities across the county. Based on 132 ZIP codes in our data.
Hardiness zones in Harris County
Harris County spans these USDA plant hardiness zones (by number of ZIP codes):
Local weather & frost dates
Open any community in Harris County for its live forecast, frost dates, and planting calendar:
Houston 77061
Houston 77002
Houston 77003
Houston 77004
West University Place 77005
Houston 77006
Houston 77007
Houston 77008
Houston 77009
Houston 77010
Houston 77011
Houston 77012
Houston 77013
Houston 77014
Houston 77015
Houston 77016
Houston 77017
Houston 77018
Houston 77019
Houston 77020
Houston 77021
Houston 77022
Houston 77023
Hunters Creek Village 77024
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.