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Blue spruce has a dislike for standing water and/or high-soluble salts. I'll bet the soluble salts in that area are very high and will keep the trees from developing normally.
Dear Roger: I have a 30-foot Colorado blue spruce tree that I planted 20 years ago. This year, it is infested with bagworms. I think the tree has lost all its needles, for the most part. Is there… ...