What plant hardiness zone is Union Mills

Union Mills is located at Rutherford County, North Carolina (NC), USA.

Plant hardiness zone (winter frost zone or gardening zone) for Union Mills 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.

Union Mills, North Carolina @ wikipedia.