The Historic Chestnut Square McKinney Farmers Market is the Top Celebrated farmers market in Texas. It is also one of the Top 100 Celebrated farmers markets nationwide. Located at 315 S. Chestnut St. at the corner of McDonald St. and Anthony, the market is opened Saturday at 8 a.m. till noon, and from 3 p.m. to 6 p.m. on Thursdays at Adriatica.