What plant hardiness zone is Cumberland Island

Cumberland Island is located at Camden County, Georgia (GA), USA.

Plant hardiness zone (winter frost zone or gardening zone) for Cumberland 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.

Cumberland Island, Georgia @ wikipedia.