Carp are total jerks. Stalk them on the flats or in a clear river when they’re feeding on forage, like nymphs and crayfish, and they’ll snub your bugs, spook when you cast, and drive you to the brink of rod-snapping madness. Or you can look for some under a mulberry tree, where they’ll feed with the same carefree vigor as a school of farm-pond bluegills. Depending on where you live, mulberry trees fruit from May through August, and if there are branches overhanging a river, rest assured every single carp in the area knows where to find them. As the breeze shakes berries off the tree, the carp swarm, and they can get so focused on gulping the juicy morsels off the surface that they’ll let their normally expletive-inducing guard down. This is your chance to nail a golden giant on the fly. Here’s how.