What plants can thrive in high moisture content soil?
This is a list of wet mesic plants that you would plant in Wisconsin. You would look for wet to wet mesic. http://clean-water.uwex.edu/shoreland/what/plants/mesic.htm Depending on your area, different wet mesic plants would apply. Here is a nursery that lists the plants they sell by soil moisture. Click on wet or wet mesic on the right under Soil Moisture: http://www.prairiemoon.com/store/template/index.php?CNC=0PHPSES& Sources: http://clean-water.uwex.edu/shoreland/what/plants/mesic.