Flowers are small (1/2 in. Most diseases affecting the redbud are caused by fungal infections, including verticillium wilt, canker or dieback, and leaf spots. Two days ago, we had a lot of rain and hail, followed by hot, hot weather (In the upper 80's & low 90's). Destructive diseases are mostly caused by fungal infections, of which some include verticillium wilt, canker or dieback, and leaf spots. Greetings! It looks like your tree is an Eastern Redbud (Cercis canadensis).My research indicates that Cercospora is a known problem of this specie. Native to eastern U.S. It is renowned for its striking dark leaves and its ability to withstand heat and periods of drought. suzieQ_MI. Botryosphaeria Canker. Redbud (Cercis) wilted and died within a week from verticillium wilt Verticillium wilt is a fungal disease of over 300 host plants, including a wide range of garden and greenhouse crops in addition to woody ornamentals, most noticeably elms, magnolias, maples, redbud, and viburnums. The most devasting of all redbud tree diseases, Botryosphaeria Canker is a fungal disease that can be deadly to redbuds. Redbud Tree Diseases and Infestations. It also has a weak wood structure. Keeping a tree vigorous, by providing proper irrigation and modest amounts of fertilizer, is the best way to increase its chance of survival. This tree also has a combination of undesirable root characteristics: Its root system is aggressive, shallow, and rather pliant, which makes the tree very unstable. This tree is a hybrid, combining the Texas Redbud and the Forest Pansy Redbud. 15 years ago. long), rosy pink or lavender. It is a dwarf variety, growing to a maximum of 12 feet in height and blooms in spring before the leaves emerge. Fruit Tree Diseases Where Branches Die For early spring color, many homeowners turn to Eastern redbud (Cercis canadensis), one of the first trees to bloom in spring. EASTERN REDBUD. Botryosphaeria dothidia fungus enters the tree through stressed or injured openings in the bark. Problem With My Redbud Tree. Early identification followed by removal of the affected areas is the most effective treatment. As the fungus spreads, sunken cankers form. Leaves are rich green, 3–6 in. Here is the UC page with some additional Redbud information, although you will notice that the leaf they show is the Western variety which is a little different. To save your infected trees, early identification is necessary. Redbud Problems. long, with pointed tips. Redbud Tree Diseases and Pests. If planted in too wet a location, it may develop some powdery mildew, but not enough to cause damage to the tree. Consider discarding the diseased parts properly and spraying them with appropriate fungicides. Older trees are especially vulnerable. However our University of California information does not list this. Zones US, MS, LS, CS; 9–2. 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