The demonstration prairie was planted by the Dane County Parks Department in 1997 when the Lyman F. Anderson Agriculture & Conservation building was first built. The plot has average moisture typical in a mesic prairie. Currently, 23 plant species native to mesic prairies in Dane County (2 grasses and 21 forbs) have been identified in the demonstration prairie. Two of the prairie species (blazing stars) are native to the southeastern part of Wisconsin. The forbs are primarily mid to late season bloomers, with a mix of heights and colors. The pale purple coneflower, wild quinine and marsh blazing star are considered rare. Most of the wild flowers are attractive to insect pollinators and some attract birds. In 2016, the Demonstration Prairie team created a trench around the prairie and filled it with mulch to prevent Kentucky bluegrass from invading.
In early April 2017, the prairie was burned to stimulate new growth and help control weeds (see video below). Also in 2017, a prairie seed orchard will be planted in a raised bed on the south side of the building.