What plant hardiness zone is Port Allen

Port Allen is located at West Baton Rouge Parish, Louisiana (LA), USA.

Plant hardiness zone (winter frost zone or gardening zone) for Port Allen 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.

Port Allen, Louisiana @ wikipedia.