Thank you for the question. There are many benefits to using native grasses in your landscape. Once established, their water requirements are low, they need no fertilization or pesticides, and they provide habitat and food for birds, insects like native bees, and butterflies while in the caterpillar stage. These grasses also improve the soil by increasing organic matter and the long roots hold soil in place minimizing erosion.
While these grasses are a great option, no maintenance is a myth and there will be quite a bit of work in the first 2 years while the plants are establishing. Adult grasses need little input but seedlings and young grasses will need to be watered and weeded consistently or all your work will be for nothing.
"Standing water on a site or water that does not drain from a 1' deep hole within 24 hours are indicators of wet and poorly drained soils. Knowing the soil drainage of your site is really more critical than taking a soil test which is typically done in planting a garden. Although you may have a soil test done, (soil test information is available from your county extension agent or from the University of Minnesota soil testing labs*) it is not critical in establishing a successful prairie garden. Understanding the drainage and sun/shade exposure of your site is essential for selecting plants that thrive in your location".
You will find substitutes for the smooth bromegrass at the bottom of the previous link and you can click on each one for more information. Here is the list of native prairie grasses that might work for you:
Big bluestem, switchgrass, Indian grass, prairie cordgrass, and bluejoint grass. Note that they get quite tall.
Here are a few more links to learn more: