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