What plant hardiness zone is Gravel Switch

Gravel Switch is located at Marion County, Kentucky (KY), USA.

Plant hardiness zone (winter frost zone or gardening zone) for Gravel Switch is 6b by the USDA scale.

Coldest zone's winter temperature is −5 … 0 °F.

Plants of 6b USDA hardiness zone suitable for outdoor gardening and growing in this winter frost zone 6b USDA.

Gravel Switch, Kentucky @ wikipedia.