What plant hardiness zone is Willow Springs
Willow Springs is located at Wake County, North Carolina (NC), USA.
Plant hardiness zone (winter frost zone or gardening zone) for Willow Springs 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.