Eight Chester County wineries (Penns Woods, Chaddsford, Paradocx, Twin Brook, Black Walnut, Stargazers Vineyard and Kreutz Creek) are joining together every Saturday and Sunday in March for “Barrels on the Brandywine," featuring tours, tastings, music, art shows and special events at each location (noon–5 PM; $25 pass, includes a commemorative glass; www.bvwinetrail.com).