You have heard Illinois called the Prairie State, but do you know what a prairie is? Hint: it’s NOT weeds!
Before the state was settled, 60 percent of Illinois (22 million+ acres) was covered by vast expanses of tallgrass. The deep prairie plants’ roots (up to 15 feet!) make topsoils incredibly productive, and thus fertile for agriculture. The invention of the John Deere self-scouring plow in 1837 made it possible to break up the prairie sod and change it into farmland. Many prairies still existed at that time, however, because there was too much water in many soils to farm well. By 1935, enough drain tile had been laid in Illinois to thoroughly drain off the soil water into drainage ditches, allowing the productive soils to be intensely farmed.
Today, only 2,000 acres of prairie remain in Illinois (that’s .0001 percent).
You might be familiar with big bluestem, Illinois’ official prairie grass, but did you know there are about 150 kinds of grasses native to prairies, including Indian grass, wild rye, and switchgrass? Native prairie wildflowers (forbs) include coneflowers, compass and cup plants with their bright yellow flowers, and milkweeds–the only plant species that monarch butterflies lay their eggs on. Prairies also provide habitat for hundreds of animal species. Check out the Illinois Plant Information Network database, which lists 851 species of plants native to Illinois prairies.
Parkland’s prairie restoration, located due east of the Student Union, was started in the 1990s through the efforts of former biology professors Rich Blazier and Earl Creutzberg, along with community members and organizations and Parkland students. Today’s environmental and plant biology students learn about prairie and other ecosystems in Parkland’s natural land areas and regularly participate in prairie workdays, learning how to maintain prairies by collecting seeds, helping with prairie burns, and removing invasive plants.
Parkland’s Sustainable Campus Committee and Physical Plant hope to expand the prairie restoration by about 15 acres, including large tracts behind the Athletics track and small showy native flower beds by the buildings. This could eliminate hours of mowing, lowering the college’s carbon footprint by reducing fuel use. It also means beautiful flowers throughout the growing season. Planting tallgrass prairie costs less than planting turf grass, and requires little maintenance. Tallgrass prairie helps control drainage, prevents erosion, brings important pollinators to the area, and reminds us of our natural heritage.
Parkland biology professor Heidi Leuszler recently worked with Pheasants Forever to establish a new one-acre tallgrass prairie across the Perimeter Drive in front of the union. The seed mix included about 75 species of prairie plants native to east-central soils.
Now that you know about Parkland’s prairie restoration, watch from the big windows in the welcome area—or better yet, walk right out the front door—to see how prairie changes over the seasons, and observe the wildlife that finds a safe home in Parkland’s prairie.