What plant hardiness zone is Perth Amboy

Perth Amboy is located at Middlesex County, New Jersey (NJ), USA.

Plant hardiness zone (winter frost zone or gardening zone) for Perth Amboy 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.

Perth Amboy, New Jersey @ wikipedia.