3 USDA Planting Zones in North Texas: Red River Valley

North Texas’s Red River Valley from Texarkana to Gainesville has three different USDA Planting Zones 7b, 8a, and 8b, as declared by latest USDA update in 2023. Winter temperatures here range from 5°F to 20°F (-15°C to -6.7°C).

The coldest zone here is USDA zone 7b (5°F to 10°F / -15°C to -12.2°C) which covers parts of Cooke County. The warmest zone is USDA zone 8b (15°F to 20°F / -9.4°C to -6.7°C) here which includes major cities like Marshall, Texarkana, and Greenville.

Most towns like Bonham, Denison, Gainesville, and Savoy are in the USDA zone 8a (10°F to 15°F / -12.2°C to -9.4°C) with winter lows of 10°F to 15°F.

Many areas here span multiple USDA zones like Sherman (8a-8b), Paris (8a-8b), and Grayson County (8a-8b). Smaller towns like Atlanta, Commerce, De Kalb, Mount Vernon, New Boston, Sulphur Springs, and Waskom are all in USDA zone 8b.

Find USDA planting zone of your city or town in Red river Valley, North Texas using the interactive map or the USDA hardiness zones table provided below.

USDA Zones Map of North Texas

Select or type your North Texas location in selection box below, to find its USDA Growing zone.

Planting Zones Table of North Texas

North Texas Red River Valley region has three USDA Planting Zones from 7b to 8b. The 25 USDA hardiness zone locations in North Texas Red River Valley are Annona, Atlanta, Bonham, Bowie County, Commerce, Cooke County, De Kalb, Denison, Detroit, Fannin County, Gainesville, Grayson County, Greenville, Hopkins County, Marshall, Mount Vernon, New Boston, Paris, Red River County, Savoy, Sherman, Sulphur Springs, Texarkana, Waskom, and Wood County. The 25 USDA hardiness zone locations in North Texas Red River Valley are listed below.