To save your infected trees, early identification is necessary. 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. Keeping a tree vigorous, by providing proper irrigation and modest amounts of fertilizer, is the best way to increase its chance of survival. Botryosphaeria Canker. However our University of California information does not list this. Most diseases affecting the redbud are caused by fungal infections, including verticillium wilt, canker or dieback, and leaf spots. Round headed but with horizontally tiered branches in age. It is a dwarf variety, growing to a maximum of 12 feet in height and blooms in spring before the leaves emerge. Two days ago, we had a lot of rain and hail, followed by hot, hot weather (In the upper 80's & low 90's). Native to eastern U.S. It looks like your tree is an Eastern Redbud (Cercis canadensis).My research indicates that Cercospora is a known problem of this specie. Consider discarding the diseased parts properly and spraying them with appropriate fungicides. long, with pointed tips. Problem With My Redbud Tree. Destructive diseases are mostly caused by fungal infections, of which some include verticillium wilt, canker or dieback, and leaf spots. EASTERN REDBUD. Greetings! Redbud Tree Diseases and Pests. Redbud Tree Diseases and Infestations. It is renowned for its striking dark leaves and its ability to withstand heat and periods of drought. If planted in too wet a location, it may develop some powdery mildew, but not enough to cause damage to the tree. Flowers are small (1/2 in. The fastest growing and largest (to 25–35 ft. tall) of the redbuds, and the most apt to take tree form. As the fungus spreads, sunken cankers form. This tree is a hybrid, combining the Texas Redbud and the Forest Pansy Redbud. 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. Leaves are rich green, 3–6 in. 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. Older trees are especially vulnerable. Zones US, MS, LS, CS; 9–2. long), rosy pink or lavender. 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. 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. 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