What plant hardiness zone is Smithfield
Smithfield is located at Wetzel County, West Virginia (WV), USA.
Plant hardiness zone (winter frost zone or gardening zone) for Smithfield is 6a by the USDA scale.
Coldest zone's winter temperature is −10 … -5 °F.
Plants of 6a USDA hardiness zone suitable for outdoor gardening and growing in this winter frost zone 6a USDA.
Smithfield, West Virginia @ wikipedia.