What plant hardiness zone is Florham Park

Florham Park is located at Morris County, New Jersey (NJ), USA.

Plant hardiness zone (winter frost zone or gardening zone) for Florham Park is 6a by the USDA scale.

Coldest zone's winter temperature is −10 … -5 °F.

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

Florham Park, New Jersey @ wikipedia.