Answer: Based on your description I am not certain what is happening to your tree. It may be that it has not rooted well and/or has not been watered correctly as this is one of the most common problems with newly planted trees. The problems become apparent once the weather turns truly hot and the trees begin to stress. Watering should be done as needed to keep the soil evenly moist like a wrung out sponge, not sopping wet or saturated and never dried out. To know if you need to water, dig into the soil with your finger. If it is still damp do not water yet. When you do water, apply it slowly and deeply throughout the root area to encourage deep rooting. This is better than a daily light sprinkling. After watering, wait a few hours and then dig down to see how far the water went; it can be surprising. There is also the possibility of a pest or disease problem. Since this is a new tree, I would suggest you work with your retailer (especially if there is a warranty) and/or your county extension to troubleshoot your tree. I hope it is nothing too serious.
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