Mulberries are large, deciduous trees native to the warm, temperate, and subtropical regions of Asia, Africa, and the Americas. Technically, mulberry fruit is an aggregation of small fruits arranged concentrically around the central axis as in blackberry or loganberries. Each fruit measures 2-5 cm in length. In most species, mulberries are purple-red when ripen; however, they can be white, red, purple or multiple variegated colors in the same fruit.