What is what planting zone is illinois?

Illinois falls primarily in USDA Plant Hardiness Zones 5a-7a. This means that the state experiences a wide range of temperatures throughout the year, with cold winters and warm summers. Gardeners in Illinois need to choose plants that can tolerate both extremes of these temperature ranges. Some common plants that thrive in Illinois include native prairie plants, such as coneflowers, black-eyed Susans, and prairie grasses. It is important for gardeners in Illinois to carefully select plants that are appropriate for their specific planting zone in order to ensure successful growth.