Evergreen foliage is killed during late winter. The sun thaws the foliage, which then refreezes rapidly when the sun is blocked or at sunset and the foliage temperature rapidly drops. Thawed foliage may lose water that can't be replaced by roots in frozen soil, so the plant dries out. The symptoms are browned foliage in the spring, especially on the south or southwest side of a planting or plant.
Prevent the problem by shading susceptible plants. Use burlap screens, discarded Christmas trees or any other simple shade source. Because injury usually occurs in late winter, you need not apply the protection until after Christmas.
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|Winter injury, juniper branches used as winter protection - 38K||Winter injury on mahonia - 40K|
|Winter injury on euonymus - 61K||Winter injury on yew - 68K|
|Winter injury on white pine - 42K|