Nearly 30 vendors are expected to set up shop when the Wednesday Farmers Market returns for a third season starting Aug. 28, the Downtown Community Alliance announced. The market will operate each Wednesday through Oct. 2 from 10:30 a.m. to 1:30 p.m. on 13th Street between Grand Avenue and Locust Street. In addition to offering a mix of seasonal fresh fruit, vegetables, specialty and artisan food, local art and entertainment, the Wednesday market will also offer learning opportunities, such as cooking classes and special programming provided by Meredith Corp. For more information about the Wednesday Farmers Market, visit www.desmoinesfarmersmarket.com.