UCB-1 Pistachios

Agromillora-CA-UCB-1-pistachio-rootstockAgromillora-CA nursery trees available now


UCB-1 is a P.atlantica x P.integerrima hybrid cross developed at the University of California. Superior for its disease resistance, salt and cold tolerance and vigor. One of the most popular rootstocks for new pistachio plantings, typically planted in spring and field budded 3-4 months later.


UCB-1 pistachio rootstock is a hybrid cross of a specific atlantica female with a specific integerima male made at UC Berkeley in 1960. Offered originally as a seedling stock it gained some notoriety for disease resistance, salt and cold tolerance and vigor, it also suffered setbacks from graft incompatibility and tree to tree variability.

Now with high resistance, tolerance, productivity and uniformity, Agromillora Clonal UCB-1 offers the important advantages of UCB-1, while avoiding the disadvantages.


Agromillora Clonal Pistachios are delivered through a world class nursery propagation capability including in vitro micro propagation technology, advanced highly controlled greenhouses. Agromillora is a global leader in micro propagation techniques for agricultural crops.

Product Format

The pistachios are delivered in a plastic container with a virgin non-soil growing media. Field grafting with scion occurs approximately four months following planting. Year round planting is possible in most situations.

Contact the experts at Agromillora California. We’ll help get you started to meet your pistachio production goals.