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What is killing off evergreens including boxwoods, firs, and rose bushes?

Just wanted to check to see if you know what is killing off evergreens - boxwoods, dwarf firs, as well as rose bushes. We went on vacation last week and our boxwood, 1 dwarf fir and rose bush were all dead or dying. If you can help that would be great.
Last Updated: Jun 22, 2015  |  43 Views
Topics: Trees, Shrubs, Roses

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We can't be sure what is killing off your specific evergreens, but these lists of common diseases and symptoms from the Penn State County Extension could be helpful:

http://extension.psu.edu/pests/plant-diseases/all-fact-sheets/boxwood-diseases

http://extension.psu.edu/pests/plant-diseases/all-fact-sheets/rose-diseases-outdoors

In addition, these blog posts and articles on boxwood and fir diseases might be useful, too:

http://plant-pest-advisory.rutgers.edu/were-baaackkk/

http://articles.mcall.com/2014-05-05/news/mc-douglas-fir-disease-20140505_1_firs-needlecast-trees

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