What plant hardiness zone is Union City

Union City is located at Hudson County, New Jersey (NJ), USA.

Plant hardiness zone (winter frost zone or gardening zone) for Union City 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.

Union City, New Jersey @ wikipedia.