One of my 10-year-old white pines turned yellow last fall and lost more needles than usual, while the others nearby didn’t. The nearby trees have recovered, but the original one is still drying out and showing more yellow. What can I do to save it?
It could be a root problem causing the decline of the one tree. White Pine are susceptible to root rot disease and/or the root collar could be buried causing vitality problems with this one individual plant. Treatment for root disease and fertilization may help if the tree is not too far gone.
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