Port Sulphur's Hardiness Zone

Our records indicate the United States Department of Agriculture has given Port Sulphur a growing zone designation of 9b. Sometimes also called the planting zone or hardiness zone, this zone number gives you an idea of what plants can and cannot grow in Port Sulphur's climate. If you are looking for plants suitable for growing in the Port Sulphur area, head on over to our page on plants that grow well in Port Sulphur, LA.

Cluck Around Sign

Whimsical sign for your chicken coop area.

Raised Garden Planter

Elevated planter for easy access and better drainage.

Shiitake Mushroom Kit

Grow your own delicious shiitake mushrooms at home.

Seed Starting Trays

Perfect for starting seeds indoors before transplanting to your garden.

Metal Arbor Trellis

Decorative arbor trellis for climbing plants and garden entrance.

Understanding your growing zone is very important because it is a measure of the lowest temperature that a plant can survive, helping you to decide what plants would grow best in your particular climate. Since Port Sulphur is in growing zone 9b this means that plants there can survive temperatures as low as 10 to 15 degrees Fahrenheit. Plants chosen for Port Sulphur's climate should be chosen with this in mind or plants should be moved inside to keep their core temperature in the right range if necessary.

USDA Growing Zone: 9b

Zip Codes: 70083

Longitude: -89.7206

Latitude: 29.5046

Lowest Avg Temperatures (F): 25 to 30