A cross between an original Sour Diesel clone and a Cinderella 99 male, Sour Apple is a hybrid strain originally bred by Top Shelf Seeds. Sour Apple is usually distinguishable by its pronounced aromatic fusion of caramelized apples and diesel fuel. While the original cut of Sour Apple was reportedly only available as a clone, other purported variations have popped up in certain seed bank selections. Boasting a sweet and skunky flavor profile, Sour Apple has energetic and euphoric effects typical of a sativa