Commonly consumed fruits include blueberries, blackberries, raspberries, cherries, persimmons, mulberries, apples, plums, grapes, and acorns. Foodstuffs such as apricots, grapes, mulberries, walnuts and wheat are grown in the Kalash valleys. Other common fruits or herbs used are figs, tangerines, oranges, mulberries or tarragon. Sources of resveratrol in food include the skin of grapes, blueberries, raspberries, mulberries, and peanuts. Sloes, mulberries and blackberries were also available. Podolia is known for its cherries, mulberries, melons, gourds, and cucumbers. So mulberries were planted for rearing silkworms. Black mulberries are large and juicy, with balanced sweetness and tartness. Mulberries are used in pies, tarts, wines, cordials, and herbal teas. Productions of the higher plains include cereals, vegetables, fruit trees and mulberries. Citrus, Asian pear and mulberries are grown as cash crops in surrounding hills. Traditionally, Imereti is an agricultural region, known for its mulberries and grapes. As with other mulberries, "Morus indica" is a deciduous tree. In May and June, mulberries ("Morus" spp.) are heavily used. The tribe is based on "Morus", the genus that includes the mulberries.