Peach leaf curl is a plant disease characterized by distortion and coloration of leaves and is caused by the fungus Taphrina deformans,[1] which infects peach, nectarine, and almond trees. T. deformans is found in the United States, Europe, Asia, Africa, Australia, and New Zealand.[2] Peach leaf curl reduces the amount of leaves and fruit produced by peach and nectarine trees.[3]