Verrill Farm, 11 Wheeler Road in Concord, is the setting for the annual Farm Day & Barbecue on Sunday, September 12, from noon to 4 pm.  Food served a la carte includes Verrill Farm’s own barbecue pulled pork, chicken, ribs and sides, plus a baked potato bar, live music by Boston Road Blue Grass, farm demonstrations, and hayrides.  Log on to www.verrillfarm.com for directions and information.