Mulberry is a sweet, delicious and nutritious fruit belonging to the Moraceae family.They usually grow in a variety of temperate areas. People all over the world enjoy this berry. It has a lot of nutritious value and is packed with health benefits.he tree is usually cultivated in many temperate regions throughout the world. The sweet fruit changes color from white or green through to pink or red, and eventually stay at dark purple or even black. People take advantage of the sweet or tart flavor in culinary