![]() The red maple brought into the MSU Extension office was not injured by a pest, disease or by mechanical equipment. Plants with damaged stems may need watering during dry conditions to prevent further damage. Trees and shrubs weakened from these injuries may turn color early. ![]() This type of damage stresses the tree much like drought stress. ![]() Heat-stressed burning bushes and other plants like Alberta spruces are prime locations for the buildup of mite populations that develop quickly under hot conditions causing injured foliage that turns color and drops early.ĭamage to the base of a trunk or stem from animal feeding, weed whips, mowers and disease will reduce the flow of water and nutrients up a tree, leaving the plant weak and susceptible to other problems. This commonly occurs when plants are growing in a location near a wall, sidewalk or driveway where reflected heat can cause stress. Your plants could be letting you know they are having problems and may need help.īurning bushes can turn color and drop leaves early when infested with spider mites. Though beautiful in October, early fall color in landscape plants can be an indicator of a stressed plant. The red color is what we expect to see in autumn across Michigan, but this tree started to turn colors back in early August. The leaves were smaller than normal and had a beautiful shade of red along the edges. A red maple sample was brought into a Michigan State University Extension office in southern Michigan.
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