The Hamilton County Soil and Water Conservation District has published a brochure to sell cover crop seeds in bulk, 1/4 lb to 10lb bags. They are offering Crimson Clover, Beneficial Mix and Fall Cover Mix. The website is www.hcwcd.org. On the left side of the home page, click Cover Crop Sale. You can also place orders via telephone: 513-772-7645. These plants would add to the understory diversity of your fruit trees.