The fastest growing and largest (to 25–35 ft. tall) of the redbuds, and the most apt to take tree form. Botryosphaeria dothidia fungus enters the tree through stressed or injured openings in the bark. It looks like your tree is an Eastern Redbud (Cercis canadensis).My research indicates that Cercospora is a known problem of this specie. Redbuds are not prone to a lot of pests and diseases, but are host plants for a variety of moths and butterflies, including the Eastern Tiger Swallowtail Butterfly and the Emperial Moth. This tree is a hybrid, combining the Texas Redbud and the Forest Pansy Redbud. Consider discarding the diseased parts properly and spraying them with appropriate fungicides. long), rosy pink or lavender. 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. We planted a native Redbud this Spring, and it has been doing well. 15 years ago. It is renowned for its striking dark leaves and its ability to withstand heat and periods of drought. long, with pointed tips. 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. Most diseases affecting the redbud are caused by fungal infections, including verticillium wilt, canker or dieback, and leaf spots. The most devasting of all redbud tree diseases, Botryosphaeria Canker is a fungal disease that can be deadly to redbuds. Early identification followed by removal of the affected areas is the most effective treatment. Older trees are especially vulnerable. Leaves are rich green, 3–6 in. However our University of California information does not list this. Botryosphaeria Canker. Redbud Tree Diseases and Infestations. Two days ago, we had a lot of rain and hail, followed by hot, hot weather (In the upper 80's & low 90's). If planted in too wet a location, it may develop some powdery mildew, but not enough to cause damage to the tree. It also has a weak wood structure. Redbud Tree Diseases and Pests. Greetings! It is a dwarf variety, growing to a maximum of 12 feet in height and blooms in spring before the leaves emerge. To save your infected trees, early identification is necessary. Flowers are small (1/2 in. As the fungus spreads, sunken cankers form. Keeping a tree vigorous, by providing proper irrigation and modest amounts of fertilizer, is the best way to increase its chance of survival. Native to eastern U.S. Zones US, MS, LS, CS; 9–2. Problem With My Redbud Tree. 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. EASTERN REDBUD. suzieQ_MI. Redbud Problems. 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