text:  1 p.m. until 8 p.m. and no more than four hours per day. Tom Barsh runs Milk House Brewery, which is part of Stillpoint Farm in Mount Airy. He noted that anyone operating an agritourism business would need to get a zoning certificate. I can't imagine some farmer with a two-acre pumpkin patch needing to file a zoning certificate and have to renew it annually because they have 20 kids come out every weekend in September and October.