What plant hardiness zone is Roan Mountain

Roan Mountain is located at Carter County, Tennessee (TN), USA.

Plant hardiness zone (winter frost zone or gardening zone) for Roan Mountain 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.