Glen Ellyn's Hardiness Zone

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Our records indicate the United States Department of Agriculture has given Glen Ellyn a 2023 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 Glen Ellyn's climate. If you are looking for plants suitable for growing in the Glen Ellyn area, head on over to our page on plants that grow well in Glen Ellyn, 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 Glen Ellyn is in growing zone 5b this means that plants there can survive temperatures as low as 10 to 15 degrees Fahrenheit. Plants chosen for Glen Ellyn'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: 5b

Zip Codes: 60137, 60138

Longitude: -88.0629

Latitude: 41.8666

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