Pistachio tree for sale are usually in the form of bare root grafted trees. Seeds are also grown for 3 to 5 years before transplanted but grafted trees are recommended for home gardeners. It is best planted in the spring between months of January and March.
Pistachio trees are a little picky when it comes to temperature. The ideal temperature for them to grow well is above 100 degrees Fahrenheit. It also needs the cold of winter months (45 degrees Fahrenheit or below) to complete their dormant period.
Pistachio trees are long living and can grow up to 20 to 30 feet. It will take them 5 to 7 years to bear after planting.