What plant hardiness zone is Old Tappan

Old Tappan is located at Bergen County, New Jersey (NJ), USA.

Plant hardiness zone (winter frost zone or gardening zone) for Old Tappan 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.

Old Tappan, New Jersey @ wikipedia.