Smith County, Texas
Local growing conditions for Smith County: the USDA hardiness zones found here, frost dates, and live weather for communities across the county. Based on 15 ZIP codes in our data.
Hardiness zones in Smith County
Smith County spans these USDA plant hardiness zones (by number of ZIP codes):
Local weather & frost dates
Open any community in Smith County for its live forecast, frost dates, and planting calendar:
Tyler 75701
Tyler 75702
Tyler 75703
Tyler 75704
New Chapel Hill 75705
Tyler 75706
New Chapel Hill 75707
Tyler 75708
Tyler 75709
Tyler 75711
Arp 75750
Noonday 75762
Lindale 75771
Whitehouse 75791
Winona 75792
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.