What plant hardiness zone is Saint Simons Island

Saint Simons Island is located at Glynn County, Georgia (GA), USA.

Plant hardiness zone (winter frost zone or gardening zone) for Saint Simons Island is 9a by the USDA scale.

Coldest zone's winter temperature is +20 … +25 °F.

Plants of 9a USDA hardiness zone suitable for outdoor gardening and growing in this winter frost zone 9a USDA.

Saint Simons Island, Georgia @ wikipedia.