What plant hardiness zone is Del Rio

Del Rio is located at Val Verde County, Texas (TX), USA.

Plant hardiness zone (winter frost zone or gardening zone) for Del Rio is 9a by the USDA scale.

Coldest zone's winter temperature is +20 … +25 °F.

Plants of 9a USDA hardiness zone suitable for outdoor gardening and growing in this winter frost zone 9a USDA.

Del Rio, Texas @ wikipedia.