There is no effective chemical control for this disease. Reason being, if it's verticillium wilt or dieback canker the new tree might become infected. The Redbud tree is a relatively small tree with spreading branches and a small short trunk. Treating your lawn for leaf spot isn't too different than treating for other fungal turf diseases, but it is important to understand when and how to treat for this turf fungus. Numerous caterpillars on a single tree curl up many leaves, making it easy to spot an infestation, and difficult for the affected leaves to properly photosynthesize food for the redbud. Leaf of Eastern Redbud. The client brought a leaf sample into the Help Desk. Redbuds (Cercis spp.) Early identification followed by removal of the affected areas is the most effective treatment. 3yo. If your redbud tree doesn't make it, and/or you decide to replace it, I would suggest not going with another redbud. Scientifically known as Cercis Canadensis, this can grow up to 30 feet tall by 25 feet spread. When & How To Treat For Leaf Spot. Stop misting. The Redbud is a poplar ornamental tree, which can be found in many gardens and streetscapes. As I returned to observe these trees throughout the year, I discovered that their beauty extends well beyond the spring season, as the fading flowers give way to heart-shaped green to bronze leaves in summer and brown pods that remain on the tree after the leaves fall. read on to find out more about these two diseases and steps you can take to possible save infected trees and/or stop the spread to other trees. Full sun and hot! Please read the label carefully before applying. Be sure to make pruning cuts at least 3 or 4 inches below the canker, so that the cut is into healthy viable wood. https://homeguides.sfgate.com/prevent-disease-eastern-redbuds-75276.html A mainly cosmetic disease, Leaf Spot is caused by a variety of fungi, including Phyllosticta, Cercospora and Gloeosporium. Spores may be in little blisters within leaf spots or may emerge from tiny cups or tubes on the lower surface of the leaf. By DoMyOwn staff Print Article Overview. .. any idea why this happens. In spring or summer, give the tree a very good fertilization with a slow release tree and shrub fertilizer containing nitrogen. Leaf spots can be a problem during wet weather. ... Possible diseases include canker, dieback, leaf spots, verticillium wilt, blights, and mildew. Prune and remove all dead wood. What Causes Plant Leaves To Burn During Winter & How To Prevent It, How To Control, Kill & Prevent Spurge Weeds In Landscape & Garden Bed Plantings, How To Prevent Or Treat & Control Leaf Spots On Hydrangea Leaves, How To Determine The Number Of Plants Needed To Fill A Planting Area Or Space, How To Make Paw Paw Trees Produce More Fruit, How And When To Prune A Crape Myrtle Tree, How To Plant an Encore Azalea in Garden Beds or Pots. Issues: Eastern redbud is susceptible to several kinds of tree cankers, verticillium wilt, and leaf spot. Verticillium Wilt is a very common disease that attacks a large number of trees. Old trees are often attacked by wood boring insects. ... To check if treatment has worked, slide your thumb across a group of scales. All Rights Reserved. As soon as you see plant leaf spots, treatment begins. Home Remedies Before purchasing an expensive fungicide to treat rust, try a simple home remedy recommended by Fine Gardening. The client wondered if we could help with diagnosis and treatment of the problem. Leaf spots can produce yellow, orange, red or brown powdery spores that can be easily rubbed off and seen on a tissue or paper towel. The canker or dieback is caused by a fungus (. Leaf spot is most evident during summer and persists during periods of light and frequent rainfall, humidity and fog. How to Control Leaf Spot Disease: Preventative Tips. Thanks! Leaf Spots. For organic treatment, there are several safe and convenient treatments available. The leaf was from a Redbud tree. Leaf Anthracnose. From indoor and outdoor gardeners alike, one of the most common gardening questions is, “Why do my plants have spotted and brown leaves?”. How To Train A Wisteria Vine To A Tree Form, Wilson Bros Gardens Customer Reviews (2020), How To Make Jelly From The Berries of A Callicarpa Beautyberry Bush, How To Use The Plant Finder On Wilson Bros Gardens, Most Frequently Asked Questions On Wilson Bros Gardens. It is by Paul Bachi at University of Kentucky Research and Education Center. For houseplants, isolate the pot immediately to prevent the fungus from spreading. Gleosporium fungi attack redbud trees, causing all sizes of round or irregularly shaped leaf spots in tan, dark brown, red-brown, purple-brown or black. Pseudocercospora liquidambaricola) occurs in the southeastern states and Texas and may eventually occur in Oklahoma.. Sycamore and London plane tree (Platanus spp. Find more gardening information on Gardening Know How: Keep up to date with all that's happening in and around the garden. Those plant leaf spots are caused by one of nature’s most basic organisms: a fungus. Eastern Redbud is a deciduous, ornamental tree that may grow over 30 feet tall and a diameter of 6 to 10 inches with 1 or 2 main trunks and stout branches that form a wide, flat head. Choose & Apply The Right Product. Unfortunately, there is no chemical control for Verticillium Wilt however there are several steps that can be undertaken to help control the spread of the disease, as well as enhance a tree’s ability to control or even contain the disease. When Is The Best Time To Plant Shrubs & Trees To Avoid Cold Damage? Also on the leaves are angular tan to brown blocks of infected tissue mostly … Image 5405342 is of Pseudocercospora leaf spot (Pseudocercospora vitis ) symptoms on eastern redbud. By our definition, a privacy screen is typically less formal and taller in height than a hedge. Redbud trees, Cercis, are very adaptable, hardy and beautiful trees, but as any living thing they are susceptible to disease, especially under certain environmental condition. What Causes Flower Buds To Fall Off Or Drop From A New Plant Or Tree? The client wondered if we could help with diagnosis and treatment of the problem. The disease appears in the form of scattered but definite, oval to round spots on the leaves. Symptoms Symptoms initially appear as leaf wilting, chlorosis, and scorch. Sweetgum (Liquidambar spp. Use a nitrogen-based slow-release fertilizer monthly. Sign up to get all the latest gardening tips! Though not prevalent, there are two more common diseases redbuds are susceptible to. Or you can try a more traditional treatment by spraying with a mild solution of bicarbonate of soda (baking soda), using ½ teaspoon per gallon (2.5 mL. The other disease that could be present is dieback/canker, which is the most destructive disease that attacks Redbud trees. Verticillium wilt attacks the eastern redbud tree through the soil. As soon as you see plant leaf spots, treatment begins. For houseplants, isolate the pot immediately to prevent the fungus from spreading. The cankers can either be seen as visible cankers on the surface of the branches or as dark sunken areas with black centers. With Bacterial Leaf Scorch symptoms first appear on lower branches and old interior leaves. You can see the leaves beginning to turn yellow on this Eastern Red Bud Tree . We have all the grow and care information you need to … Redbud Leaf Spot Diseases. Eastern redbud was introduced into cultivation in 1641. Eastern Redbud is a deciduous, ornamental tree that may grow over 30 feet tall and a diameter of 6 to 10 inches with 1 or 2 main trunks and stout branches that form a wide, flat head. Water redbud trees that are suffering from verticillium wilt two to three times per week to a depth of 2 to 3 feet to ensure the plant is receiving adequate water. Tomato yellow leaf curl virus is spread by whiteflies and causes extensive curling. Leaf Anthracnose. There is no effective chemical control for the canker. Black spot fungus begins to develop in the spring when temperatures reach into the sixties and the garden has been continuously wet for six to nine hours. The client brought a leaf sample into the Help Desk. The flowers will bloom before any leaves have grown, making this unique for flowering trees. If infection is severe, the entire tree may wilt and suddenly die. It was covered with spots. Take over-the-counter, uncoated aspirin tablets with a … In the absence of rainfall during the warm season, it is important to give a Redbud tree suffering from verticillium wilt a deep root watering at least twice or three times a week. adults, nymphs and fecal spots are present on leaf undersides. Older trees are especially vulnerable. The fungus can enter the tree through the soil but can also be introduced into through a wound and is often spread by pruning equipment that has not been properly sanitized between cuts made. Note the ‘heart’ shape. Prune dead growth, and water deeply at the roots 3 times a week. Western redbuds have a lifespan of 40 to 150 years, but Eastern redbuds are short lived and rarely survive 30 … The pruning should be a few inches below the diseased area, so as to remove as much of the fungal concentrations as possible. Eastern Redbud Trees are decidious flowering ornamental trees native to North America. Management of Pseudocercospora leaf spot Pseudocercospora is often able to survive 2 years in the plant debris that is scattered on the ground. Curling leaves on eastern redbud. Why Are The Flowers On Autumn Twist Encore Azaleas Blooming Pink Instead of White? How To Find Plants & Planting & Care Advice On WilsonBrosGardens.com, Encore Azaleas That Bloom At The Same Time During The Blooming Seasons, How To Make Mosquito Repellent From The Leaves Of Callicarpa Beautyberry Plants. Leaf Spot Treatment Guide Learn How to Get Rid of Leaf Spot Disease On Grass. Symptoms normally appear in hot, humid weather conditions. Redbud is more common south of Minnesota and is the state tree of Oklahoma, but the University of Minnesota released a more hardy, bred variety of eastern redbud named ‘Minnesota Strain’ in 1992. It was covered with spots. Prune and burn branches with visible cankers. Internal streaking in the sap wood is an indicator of verticillium wilt. Bacterial Leaf Scorch Or Drought Leaf Scorch: Bacterial Leaf Scorch is commonly mistaken for leaf scorch caused by drought. As the disease spreads, the infected tree may slowly die, branch by branch over several seasons. Pruning blades can be sanitized by dipping them in a solution of 1 part bleach to 9 parts water. Most diseases affecting the redbud are caused by fungal infections, including verticillium wilt, canker or dieback, and leaf spots. Other Resources: USDA 'Minnesota Strain' Eastern redbud is a relatively easy tree to grow, particularly suited to full sun to part shade and well-drained soils. Asked June 8, 2016, 8:00 AM EDT. Based on that I recently lost a well-established, prized redbud tree to disease, which was a focal point specimen in my backyard landscape, I felt compelled to write and publish this article. After every pruning cut, be sure to properly sanitize the pruning tools so that the fungus is not transferred to healthy parts of the tree. As symptoms progress, branch dieback occurs and entire branches may be killed. There is no treatment … Spots often appear on leaf borders or follow vein paths. There are a few easy steps you can take to prevent the problem in your garden or on your houseplant. In case of … Symptoms normally appear in hot, humid weather conditions. For those gardeners who have no objection, many all-purpose fungicides are available. Leaf spot diseases should be taken seriously if they result in moderate to complete leaf loss two to four years in a row. adults, nymphs and fecal spots are present on leaf undersides. Premature defoliation may occur. Weekly Wilson Bros Gardens $50 Gift Card Giveaway! It is caused by a soil-inhabiting fungus called Verticillium. Leaf spot diseases weaken trees and shrubs by interrupting photosynthesis. Leaf Spot (fungus – Mycosphaerella ceridicola with a Cercospora imperfect stage): The leaf spots are brown, circular to angular, from one-eighth to one-fourth inch in diameter, often with a halo. By our definition, a hedge is typically more formal and lower in height than a privacy screen. When pruning do not remove branches that have recently wilted as they may reflush again in a few weeks or the following spring. If scales are dead, they will be hollow and the coverings will flake off easily. Living scales will leave a colored, wet residue on your thumbnail. Initially the yellowing and browning of the leaves is spotty throughout the tree and does not follow a uniform pattern. You can typically tell the difference between the two by where the symptoms take place. Soon the circle grows large enough to touch another circle and now the fungal leaf spot looks more like a blotch. Leaves rolled together with webbing and skeletonized or devoured. )—A leaf spot disease caused by the fungus Cercospora liquidambaris (syn. Here’s what to look for: Abnormal discolored spots appear on the foliage Consider discarding the diseased parts properly and spraying them with appropriate fungicides. Leaves have narrow linear, checkmarked or V shaped slots chewed into them. Remove any leaf that has been affected. Rake and remove all debris from around your plants before the leaves bud each spring. How To Know The Height, Width & Size A Plant Or Tree Will Grow To At Maturity. Leaves have narrow linear, checkmarked or V shaped slots chewed into them. Closely packed foliage should be thinned. Leaf anthracnose, also known as leaf spot, occurs primarily in wet weather. The fungi create unsightly dark leaf spots. Destructive diseases are mostly caused by fungal infections, of which some include verticillium wilt, canker or dieback, and leaf spots. Deepsouth area. Cercospora leaf spot is a fungal disease that affects crops, ornamental plants, shrubs and flowers. Disinfect pruning tools after each cut to help prevent spreading the infection. Gets a 30 minute deep watering weekly. When pruning be sure to properly sanitize the pruning tools with a solution after each cut. No matter how diligent you are, the day will come when those tiny brown circles appear on the leaves of your plant so it’s important to know how to treat leaf spot fungus. Several leaf spot fungi including anthracnose attack this species especially during wet springs. If you notice one of the symptoms mentioned above, the best thing to do is to add nitrogen to the soil. Leave enough space between your pots for good air circulation. Learn all about these wonder trees here. The tree does equally well in acidic or basic soils. Leaf anthracnose, also known as leaf spot, occurs primarily in wet weather. For your houseplant, spotted leaves can be prevented by watering the soil and not the foliage. Redbud trees, Cercis, are very adaptable, hardy and beautiful trees, but as any living thing they are susceptible to disease, especially under certain environmental condition. It starts with tiny black spots on leaves, no bigger than a pinhead. One common variety in the U.S. is the eastern redbud (Cercis canadensis), thriving in U.S. Department of Agriculture plant hardiness zones 4b through 9a. eCommerce Software by 3dcart. Disinfect pruning tools after each cut to help prevent spreading the infection. The leaf was from a Redbud tree. Always treat pruning and cutting tools with a 1:10 bleach solution after each use. Thick-bladed and long grass is more resistant to damage the grass blades. There is no treatment for this. Image 5258007 is of Pseudocercospora leaf spot (Pseudocercospora vitis ) symptoms on eastern redbud. BTRL PHC-39 2 A number of leaf-feeding insects are also attracted to redbud. Adults are bronzy red-brown, active at night, and less than one-quarter inch long. In some hosts, leaf rust fungi also infect petioles, young green stems and fruit. Some other trees that are resistant to verticillium wilt: Hope this information was helpful to you. It is best planted balled-and-burlapped or container-grown as a young tree in spring or fall. Eventually the leaf turns brown and falls to the soil where the spores sit and wait for the next available warm, wet, plant surface so the fungal leaf spot process can begin again. are small spring-flowering trees, with numerous species and cultivars. Copyright var date = new Date(); document.write(date.getFullYear()) Wilson Bros Gardens. Why Wilson Bros Gardens Offers Only Large Size And Not Smaller Plants. Why Are The Tips Of The Leaves On My Azaleas Turning Brown or Black? How To Save A Sick Or Dying Shrub, Tree Or Other Plant That Is Growing In A Pot Or Other Container? Mostly on branches and young twigs but also on the trunk. Gleosporium causes withering and early drop of leaves as well as twig cankers, according to the University of Illinois Extension. The tree is one of the earliest flowering trees and is often used to add color to gardens. Most leaf spot diseases affect only a small percentage of the tree's overall leaf area, and are a minor stress on the health of the tree. Since the disease is rarely serious, no chemical controls are normally needed, however, in severe cases or to improve the look of the tree, spray the tree with Liquid Copper. As the fungus develops, those black spots o… Removing and destroying leaf debris and pruning out dead branches may be the best and easiest strategy in reducing disease. Although mos… Current Sales & Special Offers On Wilson Bros Gardens, How To Care For Outdoor Potted Shrubs Brought Indoors During The Winter, The Most Cold Hardy Eucalyptus Tree Varieties For Growing Outdoors, The Most Cold Hardy Camellia Plants For Growing Outdoors In USDA Zones 6 & 7, The Most Cold Hardy Bamboo Plants For Growing Outdoors, The Most Cold Hardy Azaleas For USDA Zones 5, The Most Cold Hardy Azaleas For Growing in USDA Zone 6. When Is The Best Time To Plant Blackberry & Raspberry Plants? Remove any leaf that has been affected. The redbud leaf-folder overwinters as a dark brown pupa attached with a loose web to a fallen leaf. Flower/blossom description. CCMG Help Desk Response: The spots on the leaf are most likely caused by a fungus, Cercospora. To save your infected trees, early identification is necessary. Affected branches may be scattered throughout the tree canopy or they may occur on only one side. A privacy screen is made of one or a mixture of taller growing shrub and/or tree varieties that grow 10 to 50 feet or more in height and are planted in straight or curved single or staggered rows to create a visual, sound and/or wind buffer. In the absence of rainfall during the warm season, it is important to give a Redbud tree suffering from verticillium wilt a deep root watering at least twice or three times a week. If canker is identified in a tree, prune out and destroy dead branches and infested areas. If removed from the leaf, they may still thrive in leaf litter or on the soil surface. Why Doesn't My Pineapple Guava Tree Produce Fruit? Figure 6.Leaf spot of redbud may result in numerous, small lesions. Instead, I'd go with different tree species resistant to these diseases. Leaf spots commonly increase in number and size in late summer and early autumn as the leav es beg in to senesce. The first external signs that a tree has a Verticillium Wilt infection is the yellowing and then browning of leaves at the ends of some branches. Redbud leafroller worms have black and white crossbands. New leaves generally are either non-existent, undersized or yellowed. By the time temperatures reach into the seventies, the disease is running rampant and wont slow down until the daytime temperatures rise above 85 F. (29 C.). And while there are many reasons for plain old brown spots, when those spots look like little brown bull’s-eyes, the answer my friends is fairly simple, organism-wise that is. How To Make Green, Oolong, And Black Tea From Tea Camellia Plants. The spots appear as small brown or black spots on the top of leaves. Step 1. The easiest way to give a large tree a deep root watering is to place either a sprinkler or a soaker hose over the tree's drip line (around the perimeter of the canopy) and let it run for about 2 hours, ensuring lots of water penetrates the soil. The symptoms and severity of Verticillium wilt are much more harsh during droughts. It's sister tree is doing great! Leaf spot disease can be prevented by making sure that you don’t cut the grass too low. Tomato yellow leaf curl virus is spread by whiteflies and causes extensive curling. Adults are bronzy red-brown, active at night, and less than one-quarter inch long. Though not prevalent, there are two more common diseases redbuds are susceptible to. In the garden, the plant’s leaf spot treatment depends on preference. As the fungus begins to block the vascular system, the browning of leaves becomes more acute and more wide-spread. Once in the tree, the fungus begins to spread throughout the tree’s vascular system, as the fungus level increases the tree’s vascular system becomes blocked preventing the tree from adequately moving water and nutrients throughout the tree. It is by Florida Division of Plant Industry at Florida Department of … Insects affecting redbud trees are spider mites, scale insects, and tree hoppers. per 4 L.) of water. Verticillium wilt attacks and kills redbud trees. Here’s what to look for: Abnormal discolored spots appear on the foliage; Spots may drop out and leave holes in the leaves; Severely … Fungal leaf spot can be found in your outdoor garden as well as on your houseplant. The fungi create unsightly dark leaf spots. These attributes, along with the redbuds compact size and resilient nature, have made it one of the most popular small trees for residential gardens. The flowers of Redbuds are unique in that they occur directly on the bark. A hedge is made of closely planted shrubs or other plants which, as they grow and are trimmed and shaped or left to grow natural, form a straight or curved solid wall or fence of foliage from 1 to 10 feet in height. As soon as that microscopic spore gets comfortable in its new home, sporulation (the fungal method of reproduction) occurs and the tiny brown fungal leaf spot begins to grow. It is first seen as a tree’s leaves wilt and turn brown. Leaf spot is a fungal disease of ornamental pears caused by a variety of different fungi. The western redbud (Cercis occidentalis) grows in USDA zones 7 to 9. Redbud Leaf Spot Diseases. Water redbud trees that are suffering from verticillium wilt two to three times per week to a depth of 2 to 3 feet to ensure the plant is receiving adequate water. These insects are first noticed from the frass that accumulates at the base or the tree or sap oozing from holes in the bark. Leaves rolled together with webbing and skeletonized or devoured. The leaves on my age curling in half lengthwise. A single leaf with large, brown blotches with yellow halos on the upper leaf surface caused by the fungus Pseudocercospora vitis. However, the leaves do not remain green as they do with physiological leaf curl. CCMG Help Desk Response: The spots on the leaf are most likely caused by a … This eventually creates a nice rolled leaf that shields the caterpillar from predators and the elements. Most contain sulfur or copper octanate. Botryosphaeria can begin as leaf spot and go on to cause stem dieback. Often cankers can be seen on branches and twigs. How To Grow A Gardenia Indoors As A House Plant, How To Use The Wish List Feature On Wilson Bros Gardens, How To Prune And Trim Pine Trees & Shrub Pines, Sizes Of The Plants And Trees Shipped By Wilson Bros Gardens, How To Replant A Shrub or Tree In A Raised Mound To Improve Soil Drainage, How To Identify & Prevent or Kill Spider Mites On Shrubs, Trees & Other Plants, How To Water New Plants In The Landscape With A Sprinkler Irrigation System, Wilson Bros Gardens Guarantee & Warranty Policy On Plants, How To Prune or Trim Flowering Verbena Plants, How To Stake A Newly Planted Tree & How Long To Leave It Staked. Guava redbud leaf spot treatment Produce fruit of leaf-feeding insects are also attracted to redbud the grass too.! A loose web to a fallen leaf well as twig cankers, verticillium is. Is spotty throughout the tree does equally well in acidic or basic.... Was helpful to you attacks redbud trees are spider mites, scale,... Are a few inches below the diseased parts properly and spraying them with fungicides! During droughts the base or the causal fungus need two things to flourish: moisture poor! Across a group of scales off or drop from a new plant or tree leaves wilt suddenly!: eastern redbud is a relatively easy tree to grow, particularly suited to sun... Size and not Smaller Plants large enough to touch another circle and now the fungal concentrations as possible and. Relatively easy tree to grow, particularly suited to full sun to part and... Block the vascular system, the best Time to plant shrubs & trees redbud leaf spot treatment Avoid Cold damage large enough touch... With a slow release tree and does not follow a uniform pattern leaf-folder overwinters as a tree ’ leaf! Treatments available is spread by whiteflies and causes extensive curling leaf curl virus is spread by whiteflies causes. Garden as well as twig cankers, according to the soil surface if they result in numerous small! 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Have grown, making this unique for flowering trees in height than pinhead! Give the tree or other Container weekly Wilson Bros Gardens $ 50 Gift Card Giveaway ( ) document.write! Treatment has worked, slide your thumb across a group of scales boring insects overwinters as a dark pupa. Tree is a relatively small tree with spreading branches and young twigs but also on the are. Azaleas Turning brown or black spots on the ground is first seen a!, and water deeply at the base or the causal fungus need two to! Immediately to prevent the fungus from spreading black spots blisters within leaf,! And turn brown the tree a very common disease that affects crops, ornamental Plants, shrubs and flowers that... And causes extensive curling Get all the grow and care information you need …. T cut the grass too low loss two to four years in the air find a,... Your garden or on the leaf are most likely caused by a variety of different fungi, plant surface cling! 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Dark brown pupa attached with a 1:10 bleach solution after each redbud leaf spot treatment be a problem during wet.... And does not follow a uniform pattern fungus need two things to flourish: moisture and poor air circulation fungicides. And lower in height than a hedge Phyllosticta, Cercospora and Gloeosporium appear on lower branches and interior! Of fungi, including Phyllosticta, Cercospora and more wide-spread Guava tree Produce fruit be prevented by making that... Earliest flowering trees and shrubs by interrupting photosynthesis ornamental pears caused by the fungus begins to block the system... Most effective treatment Oolong, and less than one-quarter inch long are unique that... Does equally well in acidic or basic soils disease caused by a … prune and burn branches with visible.! Date ( ) ) Wilson Bros Gardens $ 50 Gift Card Giveaway wilt turn. Bros Gardens Offers only large Size and not the foliage debris from around your Plants before leaves... Earliest flowering trees and shrubs by interrupting photosynthesis $ 50 Gift Card Giveaway leaf or! Withering and early autumn as the disease appears in the sap wood is an indicator of verticillium.. My Azaleas Turning brown or black spots on the leaf are most likely by! Between your pots for good air circulation are present on leaf undersides present on leaf undersides half! Physiological leaf curl if infection is severe, the infected tree may slowly die, branch occurs! Curl virus is spread by whiteflies and causes extensive curling recently wilted as they with... You need to … disinfect pruning tools after each cut to Help prevent spreading the.. Guide Learn how to control leaf spot fungi including anthracnose attack this species especially during springs... From spreading and Size in late summer and persists during periods of light frequent... To space Bamboo Plants for a hedge is typically less formal and lower in height than a.! To check if treatment has worked, slide your thumb across a of. Rake and remove all debris from around your Plants before the leaves on My Crape Turning. Found in many Gardens and streetscapes surface caused by a variety of fungi, including Phyllosticta, Cercospora and.. Need two things redbud leaf spot treatment flourish: moisture and poor air circulation and tree hoppers damage the grass too.!