Get an early start on your St. Patrick's Day celebration: Take the family to Cowtown Goes Green, a family-friendly fest in the Fort Worth Stockyards. There'll be pony rides, a petting zoo, face painting, stick-horse races and an Irish band. At 4 p.m., the Fort Worth Herd will amble down Exchange Avenue, followed by the Cowtown Goes Green parade.
1-5 p.m. Saturday at Fort Worth Stockyards, 131 E. Exchange Ave., Fort Worth. Free. 817-625-9715; www.fortworthstockyards.org.