What plant hardiness zone is Jack Frost Mountain

Jack Frost Mountain is located at Carbon County, Pennsylvania (PA), USA.

Plant hardiness zone (winter frost zone or gardening zone) for Jack Frost Mountain 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.