What plant hardiness zone is Cornwall Bridge

Cornwall Bridge is located at Litchfield County, Connecticut (CT), USA.

Plant hardiness zone (winter frost zone or gardening zone) for Cornwall Bridge is 5b by the USDA scale.

Coldest zone's winter temperature is −15 … -10 °F.

Plants of 5b USDA hardiness zone suitable for outdoor gardening and growing in this winter frost zone 5b USDA.

Cornwall Bridge, Connecticut @ wikipedia.