Needle cast diseases are a common problem for blue spruce trees. These diseases can cause the needles on the tree to turn yellow, brown, or purple. The needles may also fall off the tree prematurely. There are several different needle cast...
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Blue Spruce Needle Cast
Blue spruce needle cast is a fungal disease that affects blue spruce trees. The disease causes the needles on the tree to turn yellow, then brown, and eventually fall off. The disease is most commonly found in the eastern United States,...
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