What plant hardiness zone is Sullivans Island

Sullivans Island is located at Charleston County, South Carolina (SC), USA.

Plant hardiness zone (winter frost zone or gardening zone) for Sullivans Island is 8b by the USDA scale.

Coldest zone's winter temperature is +15 … +20 °F.

Plants of 8b USDA hardiness zone suitable for outdoor gardening and growing in this winter frost zone 8b USDA.

Sullivans Island, South Carolina @ wikipedia.