Swansea's Hardiness Zone

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Our records indicate the United States Department of Agriculture has given Swansea a 2023 growing zone designation of 7a. Sometimes also called the planting zone or hardiness zone, this zone number gives you an idea of what plants can and cannot grow in Swansea's climate. If you are looking for plants suitable for growing in the Swansea area, head on over to our page on plants that grow well in Swansea, 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 Swansea is in growing zone 7a this means that plants there can survive temperatures as low as 10 to 15 degrees Fahrenheit. Plants chosen for Swansea'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: 7a

Zip Codes: 62226

Longitude: -89.9858

Latitude: 38.5507

Lowest Avg Temperatures (F): 0 to 5