Thorne Bay's Hardiness Zone

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Our records indicate the United States Department of Agriculture has given Thorne Bay a 2023 growing zone designation of 7b. Sometimes also called the planting zone or hardiness zone, this zone number gives you an idea of what plants can and cannot grow in Thorne Bay's climate. If you are looking for plants suitable for growing in the Thorne Bay area, head on over to our page on plants that grow well in Thorne Bay, AK.

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 Thorne Bay is in growing zone 7b this means that plants there can survive temperatures as low as 10 to 15 degrees Fahrenheit. Plants chosen for Thorne Bay'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.

2023 USDA Growing Zone: 7b

Zip Codes: 99919

Longitude: -132.5337

Latitude: 55.6652

Lowest Avg Temperatures (F): 5 to 10