Boxwood disease

My 18 yr old boxwoods are dying. There is no blight on the leaves, no indication of a pest feeding on them. The only common denominator is tan spots on the branches. This is not present on healthy branches just those who are turning yellow and this already brown. When the leaves turn brown and fall off the branches are dry and brittle. They have not been over watered and they are still dying even through the winter. I hope you can help. Thanks

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1 Comment To "Boxwood disease"

#1 Comment By BushDoctor On 01/13/2018 @ 6:12 pm

There are, actually, quite a few things that can cause this problem. Typically, this is indicative of a root or soil infection. Many times, putting wettable sulfur into the soil area, and watering in will help. With more aggressive cases, this may not work, and you will have to narrow down the exact disease for treatment.

This article will give you some more information: https://www.gardeningknowhow.com/ornamental/shrubs/boxwood/yellow-or-brown-boxwoods.htm ^[1]

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