Shrubs – Off-color in winter: I have noticed that many of my evergreen shrubs, junipers and boxwoods are developing a brownish color or lighter green cast. What is the cause of this and should I be worried?
The discoloration of evergreen shrubs over the winter is a common occurrence in this area. The effects of cold temperatures and chilling winds normally result in this off-cast coloration. It is part of the plant’s response to the changing of the season. Usually this effect is mild and not long-lasting. However, during extremely cold winters, a foliage loss or twig dieback can occur, depending on the type of plant. If extremely dry conditions occur during the winter, the off color could be the result of drought. Evergreens tend to use and lose more moisture over winter than deciduous plants. Dry conditions will weaken plants and their roots, which could result in a decline in growth or death. To help overcome a dry soil condition, an occasional deep soaking during the winter is recommended. Return to top of page. Spirea – Pruning: A few years ago I planted two varieties of spirea in my yard, ‘Anthony Waterer’ and ‘Gold Mound.’ They looked great and bloomed nicely for the first few years
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