Some hardwoods grow in the area, but the area is primarily known for its grasses. Some brushy plants and cacti may also be found. This is a secondary forest of about 9 million acres. It has less rainfall than the Piney Woods, and is higher in elevation. Its soil composition is sandy and sandy loam in the upland areas, and sandy loams and clays in the bottomlands.
Hardwood trees are common, along with native grasses and brush.
About 11 million acres and home to a variety of hardwoods and grasses. Much of the land is cultivated and little original vegetation still remains. About 16.5 million acres of alternating woodlands and prairies. There are sharp changes in the vegetation which are associated with different soil types and topography. Some hardwood trees grow here, along with a variety of native grasses.