What plant hardiness zone is Highlands
Highlands is located at Macon County, North Carolina (NC), USA.
Plant hardiness zone (winter frost zone or gardening zone) for Highlands 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.
Highlands, North Carolina @ wikipedia.