Pistachios are grown in the many cities of southern Kerman province. Such as Kerman, Sirjan and Rafsanjan. Pistachio trees need very little water but great care. They mature and fruits 6-7 years after cultivation and live a long life, Sometimes more than even 100 years.
The above facts together with peculiar climatic conditions in the region and the experiences of the regional farmers have resulted the Iranian. Pistachio the unique taste and highest production rate compared with all over the world.