Jumbo pistachios are larger and longer compared to round pistachios. Kallehgouchi pistachio has a long history in cultivation as its been growing for more than 4000 years. Jumbo pistachios are available in the following sizes: 18-20, 20-22, 22-24, 24-26, and 28-30.
The present distinguished excellent situation of Iranian Jumbo pistachio, is the result of Iranian farmers and growers perfect ability. Existing researches show, more than 70% of worlds’ total Jumbo pistachio production is in Iran which in some years touched a peak annual production of 300,000 m/t.