What plant hardiness zone is Black Oak

Black Oak is located at Craighead County, Arkansas (AR), USA.

Plant hardiness zone (winter frost zone or gardening zone) for Black Oak is 7b by the USDA scale.

Coldest zone's winter temperature is +5 … +10 °F.

Plants of 7b USDA hardiness zone suitable for outdoor gardening and growing in this winter frost zone 7b USDA.

Black Oak, Arkansas @ wikipedia.