Mattoon's Hardiness Zone

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Our records indicate the United States Department of Agriculture has given Mattoon a 2023 growing zone designation of 6a. Sometimes also called the planting zone or hardiness zone, this zone number gives you an idea of what plants can and cannot grow in Mattoon's climate. If you are looking for plants suitable for growing in the Mattoon area, head on over to our page on plants that grow well in Mattoon, IL.

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 Mattoon is in growing zone 6a this means that plants there can survive temperatures as low as 10 to 15 degrees Fahrenheit. Plants chosen for Mattoon'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: 6a

Zip Codes: 61938

Longitude: -88.3623

Latitude: 39.4774

Lowest Avg Temperatures (F): -10 to -5