What plant hardiness zone is Stillwater

Stillwater is located at Sussex County, New Jersey (NJ), USA.

Plant hardiness zone (winter frost zone or gardening zone) for Stillwater is 5b by the USDA scale.

Coldest zone's winter temperature is −15 … -10 °F.

Plants of 5b USDA hardiness zone suitable for outdoor gardening and growing in this winter frost zone 5b USDA.