What plant hardiness zone is Avery Island

Avery Island is located at Iberia Parish, Louisiana (LA), USA.

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

Avery Island, Louisiana @ wikipedia.