Sawtooth is another of the perennial sunflowers. Not as large as the annual common sunflowers, but very showy in their own way. A welcome sight along our roads and in fields. Sawtooth grows in AR, CT, DE, GA, IA, IL, IN, KS, KY, LA, MA, MD, ME, MI, MN, MO, MS, NC, ND, NE, NJ, NH, NJ, NM< NY, OH, OK, PA, SD, TN, TX, VA, WA, WI, WV, ON, and QC. Lenawee Co MI, 8/30/12.