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Why are the needles on my spruce tree turning brown and dropping?
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In the fall, evergreen trees will shed their inner-most needles. This may look alarming, but it is a natural process. Those inner needles have become shaded out and are no longer a productive part of the tree. If you are seeing more than just the inner needles dropping, or there is a larger than normal amount of shedding, another issue may be at hand.
To keep your spruce healthy, proper watering is imperative. Provide deep watering at long intervals throughout the summer (every two weeks) rather than shallow watering at short intervals. In particular, provide a good watering before the ground freezes and again in winter if it thaws and dries out. Remove sod from the base of the tree out to the branch edge, and cover the area with mulch.
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