Somewhat poorly and poorly drained. Permeability is moderate or moderately rapid in the solum and very rapid in the substratum. Runoff is slow. The Toolesboro soils are commonly drained and cropped to corn and soybeans. A few areas are used for potatoes or tomatoes.
Some areas are in timber.
Native vegetation was grasses and trees tolerant to wetness. Mississippi River bottom lands in southeastern Iowa and possibly adjoining states. They are of small extent. Louisa County, 1984. Even though the chroma in the upper part of the B horizon is more than 2, this soil is wet and has an aquic moisture regime.