What plant hardiness zone is Hamilton Square

Hamilton Square is located at Mercer County, New Jersey (NJ), USA.

Plant hardiness zone (winter frost zone or gardening zone) for Hamilton Square is 6b by the USDA scale.

Coldest zone's winter temperature is −5 … 0 °F.

Plants of 6b USDA hardiness zone suitable for outdoor gardening and growing in this winter frost zone 6b USDA.

Hamilton Square, New Jersey @ wikipedia.