Port Barrington's Hardiness Zone

Our records indicate the United States Department of Agriculture has given Port Barrington a growing zone designation of 5b. 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 Barrington's climate. If you are looking for plants suitable for growing in the Port Barrington area, head on over to our page on plants that grow well in Port Barrington, IL.

Shiitake Mushroom Kit

Grow your own delicious shiitake mushrooms at home.

Steel Hori Hori Weeding Knife

Versatile Japanese-style gardening knife for weeding and planting.

Metal Arbor Trellis

Decorative arbor trellis for climbing plants and garden entrance.

Raised Garden Planter

Elevated planter for easy access and better drainage.

Metal Seed Storage Box

Organized storage solution for your seed collection.

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 Barrington is in growing zone 5b this means that plants there can survive temperatures as low as 10 to 15 degrees Fahrenheit. Plants chosen for Port Barrington'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: 5b

Zip Codes: 60010

Longitude: -88.1947

Latitude: 42.2441

Lowest Avg Temperatures (F): -15 to -10