Anthracnose is a fungal disease that affects a number of deciduous shade and flowering trees. The most serious Anthracnose disease is Dogwood Anthracnose that affects the common flowering dogwood and can be lethal. Dogwood Anthracnose begins as spotting of the foliage in the late spring and summer. The fungus can then move from the leaves into the twigs and eventually into branches. Once the fungus enters larger branches it forms structures called cankers that will enlarge from year to year, eventually girdling and killing the entire branch. Sycamore Anthracnose and Ash Anthracnose are two others that have caused many problems in our region in recent years. We have had excellent success in managing Anthracnose on all trees with either carefully timed foliar sprays or injections.
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