What plant hardiness zone is West Stewartstown

West Stewartstown is located at Coos County, New Hampshire (NH), USA.

Plant hardiness zone (winter frost zone or gardening zone) for West Stewartstown is 4a by the USDA scale.

Coldest zone's winter temperature is −30 … -25 °F.

Plants of 4a USDA hardiness zone suitable for outdoor gardening and growing in this winter frost zone 4a USDA.