What plant hardiness zone is Sackets Harbor

Sackets Harbor is located at Jefferson County, New York (NY), USA.

Plant hardiness zone (winter frost zone or gardening zone) for Sackets Harbor is 4b by the USDA scale.

Coldest zone's winter temperature is −25 … -20 °F.

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

Sackets Harbor, New York @ wikipedia.