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  • … Dixon Prairie In the early 1800s, the wind-swept prairies that covered Illinois would eventually give the state … and tallgrass. Nowadays, though, less than one-tenth of 1 percent of original prairie remains in the state. The Dixon Prairie celebrates the state’s heritage with a re-creation of six prairie … shimmering movement (from plants more than 8 feet tall). The 15-acre site features more than 250 species of native plants on an open, rolling landscape surrounded by water. The Dixon Prairie …
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  • … Plants in Print Exhibition Early Botanical Books The earliest printed books illustrate Europe's passionate pursuit of plants. The introduction of the printing press in the fifteenth century sparked an unprecedented enthusiasm for plants. Inspired by some of the … sought a common language. By the eighteenth century, thousands of new plants were arriving in Europe from all parts of the globe, yet there was no universal system for naming and …
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  • … Bike to the Garden Bike to the Garden The trail is open during Garden hours . Buy Garden Admission   Cyclists can slow down to smell the roses—and the lilacs, geraniums, and … Woods and through Turnbull Woods, which is part of the Forest Preserves of Cook County. In partnership with the Illinois Department of Transportation and the Forest Preserves of Cook … Bike to the Garden The trail is open during Garden hours . Buy Garden Admission   Cyclists can slow down to smell the roses—and the lilacs, geraniums, and …
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  • … New! Join this experiential workshop introducing mindfulness in nature. Through gentle teaching, you will be led in guided meditation, mindful walking, and reflective dialogue, using evidence-based mindfulness … Leave with simple practices that you can bring into your daily life—at home, at work, and in your relationships. This class includes both indoor seated and outdoor walking portions. Dress …
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  • … Q. Will arborvitae grow in the shade? A. Arborvitae ( Thuja ) perform best when planted in a minimum of six hours or more of direct sun per day. However, they can tolerate light shade in areas that only receive four hours of midday sun per day. According to Michael Dirr, Giant …
    Type: Plant Info
  • … Q:  The plants in my containers don’t always grow well. What am I doing wrong?  Can you give me some growing tips? A:  There are several important factors to keep in mind when gardening in containers. Using an appropriate container is the first thing to be considered. Fancy …
    Type: Plant Info
  • … Q. I grew two small evergreens in containers this summer. Can they remain outside in winter? A. Expecting a hardy woody plant to survive an unpredictable Midwestern winter in a container is risky business. When planted in the ground, an evergreen’s vulnerable roots are …
    Type: Plant Info
  • … Q. What are the current recommendations for fertilizing lawns in fall? A. Many gardeners routinely fertilize their lawns in spring, when fall is actually the preferred time. Moderate daytime temperatures, with cool … product or a synthetic fertilizer with a 3-1-2 or 4-1-2 ratio. If lawns were fertilized once in May, you might want to wait until early September to broadcast your second application. A …
    Type: Plant Info
  • … Q. What are the current recommendations for fertilizing lawns in fall? A. Many gardeners routinely fertilize their lawns in spring, when fall is actually the preferred time. Moderate daytime temperatures, with cool … product or a synthetic fertilizer with a 3-1-2 or 4-1-2 ratio. If lawns were fertilized once in May, you might want to wait until early September to broadcast your second application. A …
    Type: Plant Info
  • … and China. This biological library enables scientists from around the world to identify plants in our region and to determine where rare species may be located. Over the years, scientists have realized how important these collections are in documenting and understanding our region’s natural history. The Herbarium also is an important … history, present, and potential future. Herbarium Plants and Climate Change Studying specimens in the Herbarium is helping scientists determine how climate change is affecting midwestern …
    Type: Plant Info