Answer: Cottonwood trees take enormous amounts of water, more than they typically get in a landscape situation. They are riparian plants, meaning they grow in nature near bodies of water. However, if you think it is receiving adequate water, you might want to take a sample of the leaves to the Yavapai County Cooperative Extension office for diagnosis. They are in Prescott, 520-445-6590. Also, if the tree is close to the septic, the roots might become a problem as they will seek moisture.
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