Illinois Growing Zones Designated on USDA Map - Map Showcasing Planting Zones for Illinois
In light of climate changes and increasingly warmer temperatures, the map of Illinois growing zones has been updated based on the revised USDA planting zones published in 2023. This map, available for viewing, provides hardiness zones for all states, including Illinois.
The Illinois growing zones range from zones 5a to 7b, each colour-coded on the map for easy identification. Understanding your Illinois hardiness planting zone is essential for choosing suitable plants for your area. Reputable nurseries specialize in selling landscaping plants appropriate for the hardiness zone and clearly mark them as such.
Local nurseries often provide plants suitable for Illinois growing zones. To find your Illinois hardiness planting zone, locate the approximate area in which you live on the map. Comparing the colour-coded zones for your area with the legend on the right of the map will help you determine your zone.
Choosing plants that tolerate cooler conditions can help ensure winter survival in areas bordering separate zones. Non-hardy species may also be available in nurseries, but they should be clearly marked to avoid potential issues during colder months.
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For those interested in the history of Illinois' hardiness zones, it's worth noting that the USDA published the revised Illinois hardiness zone map in 2012. To learn more about Illinois growing zones, view the USDA plant hardiness zones map. Happy gardening!
