What plant hardiness zone is Great Smoky Mountains Natl Park

Great Smoky Mountains Natl Park is located at Sevier County, Tennessee (TN), USA.

Plant hardiness zone (winter frost zone or gardening zone) for Great Smoky Mountains Natl Park 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.