It’s Wineberry Days at the Brandywine Battlefield Park in Chadds Ford on July 17, 18 and 19. Visitors can pick their own wineberries, a type of red raspberry. Each person must use an official Brandywine Battlefield Wineberry Pail, which can be purchased for $5 each at the visitors’ center. Wear protective clothing, apply insect repellent, use buddy plan (accompanied by one or more of your friends or family. No limit on amount of berries picked or fun you have. Hours are 10 a.m. to 3 p.m. Friday and Saturday, July 17 and 18, and 12:30 to 3:30 p.m. on Sunday.