Our Rich Land
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About 10,000 years ago, retreating glaciers and wind deposited sediments that would later host the tall grass prairies.
This process, along with wind, left behind wide flat areas, undulating moraines (where ice sheets stopped), and rich minerals that provided nutrients for the plants that later grew here.
Prairies included tall grasses such as big bluestem, little bluestem, Indian grass, and switch grass.
These grasses (80 percent of the flora) grew five to seven feet tall, with occasional stalks as high as 10 feet.
Interspersed with the grasses were flowering plants (20 percent), including varieties of lead plant, rosinweeds, and coneflowers.
With 75 percent of its rich biomass underground, prairie plants and grasses could survive the harsh conditions of subzero winters and destructive prairie fires caused by lightning or purposefully set by Native people.
The plants' dense network of roots bound the soil together, while seasonal cycles released organic material that helped them absorb moisture and nutrients.
Big bluestem prairie grass.
The loss of habitats and the use of insecticides are the probable causes.
Necessary for the pollination of some crops, these losses could have an impact on future farming.
Northwind Switchgrass
Little Bluestem Grass
Indian Grass
Rosinweed
Blazing Star (also called prairie gay feather) is native to eastern North America, and grows in prairies and sedge meadows.
Also known as leadplant, downy indigo bush, prairie shoestring, or buffalo bellows, Amorpha Canescens Pursh is a perennial shrub that is native to North America. It has small purple flowers that bloom from late June to mid-September and roots that extend up to 16' deep.
Commonly called tickseed or Calliopsis, Coreopsis plants have yellow flowers with eight petals each. They bear small inedible fruits that look like insects.
Known as black-eyed-susans or coneflowers, these yellow flowers are native to North America. Their name stems from the petals tendency to point downward, resembling a cone.
