What plant hardiness zone is Center Harbor

Center Harbor is located at Belknap County, New Hampshire (NH), USA.

Plant hardiness zone (winter frost zone or gardening zone) for Center Harbor is 5a by the USDA scale.

Coldest zone's winter temperature is −20 … -15 °F.

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

Center Harbor, New Hampshire @ wikipedia.