It has been confirmed in northern Georgia. To head off fungal diseases, plant dogwood trees with enough space between them and other plants so that air can circulate around the tree. It is often confused with the more common Spot Anthracnose that occurs as reddish-purple spots on flower bracts and leaves. If so, it may be suffering from Dogwood Anthracnose. Both are canker diseases. Q. I have a dogwood tree in my yard I'm really concerned about. Transplant small trees into partial shade during December of January. Don't Give Up On Dogwood But that doesn't mean you shouldn't try dogwoods. Is your Dogwood tree looking wilted, spotted, and less than stellar? However, this is a sad story that seems to have a happy ending, as I'll explain in a moment. Do not replant a dogwood in the same area and always protect the base of trees from damage. It's a sad fact but a lot of Dogwood trees in America are getting sick and in many cases dying from Dogwood Anthracnose, a disease that mainly infects flowering and Pacific Dogwood (Cornus florida and C. nuttallii). Container grown nursery trees are less subject to mortality. It often kills the tree within three to five years. The other deadly canker is known as crown canker of dogwood. Showy blossoms of white, pink, or red appear in spring before the leaves. Unfortunately, some common diseases can threaten the health of dogwood in both residential and commercial settings. I thought it was drought stressed, so this season I really kept on top of watering it with a soaker hose. € Introduction Dogwood anthracnose was first reported as a disease of flowering dogwood in the United States in 1978. Fungi are the main causes of dogwood tree diseases. Dogwoods are dying. Fungi thrive in cool, wet weather and prevention is the best cure. The disease is serious and results in tree death. It initially shows up as leaf spots and stem cankers. Different cultivars, as well as different species and hybrids, offer a variety of flower and plant characteristics. However, two dogwood tree diseases are potentially lethal to the trees. These University of Arkansas fact sheets FSA7533, Anthracnose Diseases of Common Landscape Trees, and FSA7564, Anthracnose Diseases of Dogwood, along with U.S. Forest Service publication, Anthracnose Diseases of Eastern Hardwoods, provide more information about anthracnose diseases. Dogwoods are extremely common in landscapes around the area which causes this disease to spread easily throughout landscape dogwoods and cause disfigurement of … It was planted about three years ago in what I now realize is a very hot afternoon sun location (probably not ideal). Dogwood anthracnose is a problematic disease that all dogwood owners must take seriously. The flowering dogwood (Cornus florida) is one of the most popular ornamental trees in Kentucky landscapes. Its leaves look brown every year and it has not yet flowered. Dogwood Anthracnose Symptoms. Dogwood anthracnose is the disease that can cause tree decline and mortality. Initial infection could have entered through transplanting wounds or through wounds caused by insects, animals, sunscald, lawn mowers or weed whips. Dogwood Anthracnose, Discula destructiva, is a damaging disease that attacks various species of Dogwoods. In 15 years, it has caused serious losses to flowering dogwood … High-value trees can be protected by mulching, pruning, and watering during droughts, and applying a fungicide. In Grumpy's opinion, flowering dogwood (Cornus florida) still remains the best small tree for multi-season interest.Not just in the Southeast, either -- for the Northeast and Midwest too. One, dogwood anthracnose canker, kills leaves, twigs and branches, starting in the lowest branches. 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