What plant hardiness zone is North Troy

North Troy is located at Orleans County, Vermont (VT), USA.

Plant hardiness zone (winter frost zone or gardening zone) for North Troy 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.

North Troy, Vermont @ wikipedia.