The Q&A Archives: Chinese Pistachio tree

Question: I have a Chinese Pistachio tree that is 4 years old. It receives continual sunlight during the day in Texas. The bark on the tree is very scaley and broken. Some parts of the tree branches do not look well and the leaves during the year do not always look good-they seem to be yellow when they should be green. The tree also has berries that are on the branches that seem to grow in clumps, but do not produce any growth where they appear. I have cut some of the branches out of the tree because they were dead. What should I do?

Answer: Kyle,

You have a female Chinese pistache, thus the berries. The tree is stressed for some reason. The usually cause is dry soil although soggy wet/poorly drained soil is also a possibility. Weed and feed fertilizers used in turf around the tree can also cause problems. I suggest that if soil is dry you give it a good soaking now. In early spring apply a cup or two of turf fertilizer per inch of trunk diameter spread evenly throughout a large circular area. Repeat this in early summer. Each time water the fertilizer in well. During summer give the tree a good watering of about 1-2 inches every two weeks when it has not rained. Wet a large area extending out about 2 times the branchspread on a young tree or 1 times the branch spread on an older tree.

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