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"Use Antidesiccant to Protect Trees and Shrubs from Winterkill" Q. The past several winters have been pretty tough on the shrubs in my landscape, especially my rhododendrons. One died completely and two others had a lot of dead branches this past spring. I'd hate to lose the remaining two this winter. Is there anything I can do to prevent that? Thanks in advance for your help. A. Here in western Massachusetts, winters have been pretty severe on plants, especially evergreens and broad-leaved evergreens like rhododendron. Many suffered winterkill the past couple of winters. In addition to rhododendron, other trees and shrubs that have been damaged over winter include azalea, holly, boxwood, dwarf Alberta spruce, redbud, dogwood, rose of Sharon, hybrid tea roses, and even forsythia. With such widespread damage, it's imperative to provide winter protection. What happens is the evergreen plants lose moisture through their leaves or needles and can't replace it because the ground is frozen. Wind, sun, and dry air all cause the plants to evaporate moisture. To prevent this desiccation, spray Antidesiccant on all your rhododendrons and other landscape plantings now. Antidesiccant seals in the moisture and protects the leaves and stems from drying out. Now is the ideal time to apply Antidesiccant. With the kind of winters we've been having the past couple years, I've seen damage on plants that never experienced winterkill before so I'm recommending spraying all the plants in the landscape, not just the "usual suspects" like rhododendrons and azaleas. Click here to read more about Antidesiccant and order it from Pernell Gerver's Online Store.
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