Transplant small trees into partial shade during December of January. Dogwood Anthracnose, Discula destructiva, is a damaging disease that attacks various species of Dogwoods. It initially shows up as leaf spots and stem cankers. 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. 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 often kills the tree within three to five years. Is your Dogwood tree looking wilted, spotted, and less than stellar? However, two dogwood tree diseases are potentially lethal to the trees. Fungi thrive in cool, wet weather and prevention is the best cure. I thought it was drought stressed, so this season I really kept on top of watering it with a soaker hose. Dogwoods are extremely common in landscapes around the area which causes this disease to spread easily throughout landscape dogwoods and cause disfigurement of … Different cultivars, as well as different species and hybrids, offer a variety of flower and plant characteristics. € Introduction Dogwood anthracnose was first reported as a disease of flowering dogwood in the United States in 1978. 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. The flowering dogwood (Cornus florida) is one of the most popular ornamental trees in Kentucky landscapes. Q. I have a dogwood tree in my yard I'm really concerned about. The disease is serious and results in tree death. It has been confirmed in northern Georgia. However, this is a sad story that seems to have a happy ending, as I'll explain in a moment. High-value trees can be protected by mulching, pruning, and watering during droughts, and applying a fungicide. Showy blossoms of white, pink, or red appear in spring before the leaves. Cornus spp.. Sun Scald: Death within the first two years after transplanting is most commonly due to sun scald, lack of soil moisture or careless transfer of trees too large or without adequate root systems. Fungi are the main causes of dogwood tree diseases. Container grown nursery trees are less subject to mortality. Unfortunately, some common diseases can threaten the health of dogwood in both residential and commercial settings. 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). Initial infection could have entered through transplanting wounds or through wounds caused by insects, animals, sunscald, lawn mowers or weed whips. Don't Give Up On Dogwood But that doesn't mean you shouldn't try dogwoods. Dogwood anthracnose is a problematic disease that all dogwood owners must take seriously. It is often confused with the more common Spot Anthracnose that occurs as reddish-purple spots on flower bracts and leaves. Dogwood Anthracnose Symptoms. The other deadly canker is known as crown canker of dogwood. In 15 years, it has caused serious losses to flowering dogwood … Dogwood anthracnose is the disease that can cause tree decline and mortality. It was planted about three years ago in what I now realize is a very hot afternoon sun location (probably not ideal). Do not replant a dogwood in the same area and always protect the base of trees from damage. Both are canker diseases. If so, it may be suffering from Dogwood Anthracnose. 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