170 plants in a formal boxwood garden #166686 - Ask Extension

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170 plants in a formal boxwood garden #166686

Asked February 12, 2014, 10:27 AM EST

What could be the most likey cause for a stand of boxwoods to commpletey fail in one season. They were doing well until last summer. 3-4 year old plants. all plants died in succession.

Chester County Pennsylvania

Expert Response

Please see our publication on boxwood and look at the information on symptoms and possible causes of dieback  http://extension.umd.edu/sites/default/files/_images/programs/hgic/Publications/HG52_IPM_Boxwood.pdf
Look at vole damage, root rots, canker diseases, poor planting techniques, etc.
Also, there is a new disease of boxwood called boxwood blight that you should be aware of.  See our website for more information http://extension.umd.edu/hgic/invasives/boxwood-blight  This may be a possibility if new boxwood plants were introduced into the landscape.
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