There is no doubt pistachios are delicious and nutritious. Hardy in USDA zones 8 to 10, pistachio trees can make wonderful additions to home gardens in these warmer climates. Yet, there are many pistachio tree problems which can reduce harvest yields. If you’re not finding the quantity of nuts you were expecting, consider these common pistachio issues. Pistachio Pests Ground squirrels These nut-loving critters climb trees and feed on all stages of pistachio nuts. In addition to what they consume, squirrels collect and store nuts in their burrows. To discourage ground squirrels from making burrows near the garden, remove brush piles, tree stumps and debris. Rabbits Although rabbits can be cute, they cause severe damage to young trees by removing bark and girdling the trunk. Most damage occurs in winter and early spring when other food sources are scarce. Prevent damage with fencing or trunk guards. Voles, mice and gophers […]
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