Please note: The material in the Archives may contain dated or invalid information. This is for referential purposes only.
Please visit the main sections of Aggie Horticulture for more up-to-date information.
Gardening Regions for Texas
| Texas Gardening Zone | USDA Hardiness Zone | avg minimum temp |
|---|---|---|
| Zone I | Zone 6 | -10 to 0 F |
| Zone II | Zone 7 | 0 to 10 F |
| Zone III | Zone 8 | 10 to 20 F |
| Zone IV | Zone 9A | 20 to 25 F |
| Zone V | Zone 9B | 25 to 30 F |
Refer to the USDA Hardiness Zone Map to compare the temperature extremes in your area to those of the Texas zones when making planting decisions.