What Zone is Texas in for Planting & Gardening?

Texas is in USDA Hardiness Zones 6b, 7a, 7b, 8a, 8b, 9a and 9b, 10a

The Lone Star State has a diverse climate, with hot, humid summers and cool, mild winters. The state is divided into two main planting zones: the cooler, northern zone and the warmer, southern zone.

Texas Hardiness Zone Map — Image Credits: USDA, ASR, OSU

Northern Texas Hardiness Zones

The northern zone of Texas includes the Panhandle, the north-central plains and the hill country. This zone generally has cooler temperatures and more rainfall than the southern zone. The best time to plant in this zone is from October to November.

Hardiness Zones include: 6b, 7a, 7b

Southern Texas Hardiness Zones

The southern zone of Texas includes the Rio Grande Valley, the coastal plains and the Edwards Plateau. This zone has a longer growing season than the northern zone, with planting typically occurring from March to May. The hot, humid summers in this zone can be tough on plants, so it is important to choose heat-tolerant varieties. The very end tip of Texas near South Padres Island has a hardiness zone of 10a.

Hardiness Zones include: 7b, 8a, 8b, 9a, 9b, 10a

USDA Hardiness Zone	Avg Minimum Temp
Zone 6a	-10 to 0 F
Zone 6b	-5 to 0 F
Zone 7a	0 to 10 F
Zone 7b	5 to 10 F
Zone 8a	10 to 15 F
Zone 8b	15 to 20 F
Zone 9a	20 to 25 F
Zone 9b	25 to 30 F
Zone 10a	30 to 35 F