Standard distance for planting pistachio trees In most pistachio orchards, due to the lack of Iranian Pistachio knowledge of gardeners, planting intervals are not observed and orchards with irregular and dense shapes are observed, which in addition to not observing the correct principles of horticulture, have operational and harvesting problems. In order to prevent this problem, a suitable distance between the two rows of 6-8 meters and 3-4 meters is recommended. Mixed culture: Planting any type of plant, whether crop or garden in the distance between trees is called mixed cultivation. The seedling period of pistachio trees is relatively long. Therefore, the gardener plants suitable plants in the distance between pistachio trees in addition to providing part of the production cost, also improves the soil structure.