Custard apples, or Annona squamosa, are grown all across India and are sometimes referred to as "sugar apples" or "sitaphal".- It is a little tree or shrub that is indigenous to tropical and subtropical climates.Custard apples possess an abundance of essential nutrients, including fiber, minerals, and vitamins, making them a great source of nourishment.Type of soil: Annona squamosa thrives in rich, well-drained, deep rocky soils but is most at home in loose, sandy loams. It can withstand a broad range of soil types.- Although harmful, custard apple seeds are used to cure head lice.