BOONSBORO, Md. (May 15, 2018) – The area’s largest Earth-friendly outdoor festival featuring more than 200 Eco-friendly vendors will be held Saturday, May 19, when the 10th annual Boonsboro Green Fest opens at 10 a.m. in the town’s Shafer Park. The one-day, free festival will run until 5 p.m., rain or shine. Produced annually by