Save up to 30% when you upgrade to an image pack. Anthracnose is caused by the fungus Apiognomonia venata; symptoms include brown, dead areas on leaves, twig blight, leaf drop, diminished health, the presence of cankers (sunken areas) and eventual tree death. The disease attacks leaves, branches and bark. However, unlike other species of maple trees, the sycamore maples foliage doesnt have any fall color. It is caused by the fungus Apiognomonia veneta (asexual stage - Discula platani). The . Providing irrigation, mulch, and fertilizer to an infected tree can extend the life of the tree. A brown band sometimes develops between the brown and green tissue of the leaf. During the fall the color of the leaves become yellow, giving it a touch of beauty at the termination of . The reddish-brown or bluish-black discoloration of the wood, in cross section behind the cankers, is the most distinctive symptom. Diseased trees often show a canopy of healthy leaves, as the anthracnose fungus is most severe in lower portions of the tree. Control Fungicides can help treat tar spot but are rarely needed unless the infection is severe.. Botryodiplodia Canker (fungus Botryodiplodia theobromae): This fungus is known generally as a weak or facultative parasite with a wide host range. Sycamore Maple trees have an oval to rounded shape with leatherlike, thick, green leaves about three to six inches wide. Despite this fact, the sycamore species is also tolerant of drought when established. Both emerging and larger leaves will wilt, turn brown and fall from the trees. (See section on Mushroom Root Rot), Cotton Root Rot (fungus Phymatotrichum omnivorum): (See section on Cotton Root Rot). The undersurface turns brown when bruised and is a favorite medium for artists. Sycamore scale bugs are tiny pests that feed on sap from leaves and branches. Pruning infected branches can slow its spread. Sycamore tree bark: Arizona sycamore tree bark is mottled with smooth gray bark flaking off to reveal white patches. Generally, sycamore trees have leaves with shallow indentations between their lobes whereas maple tree leaves have deep indentations. It is caused by Xylella fastidiosa, a bacterial pathogen that kills off entire branches of the tree. Cankers (sunken spots) develop on twigs and branches, and in severe cases can girdle the branch causing it to die. Content: Verticillium wilt Eutypella canker of sycamore Sooty bark disease Summary Sycamore trees have large serrated lobed leaves that are light-green with three or five lobes. Mowers and other types of garden equipment can nick roots and branches, leaving fresh wounds. Sycamore leaf with 3 lobes (left) and sycamore leaves in autumn (right). The fruits of sycamore look like a brownish woody ball that ripens in October. Anthracnose causes early symptoms on young leaves resembling frost injury. A severely infected tree may be defoliated completely (lose all of its leaves) multiple times in a single season. Sycamore (. Sycamore trees are vulnerable to diseases and insect pests, just like almost every variety of tree you can plant. This disease is common on plants growing in shady areas with high humidity. It starts off with you sterilizing your cutting tools. Stewarts is a proud Utah company, owned and operated by the Stewart family since 1972. Insect control sprays are much less effective once the protective shell has been formed, but scale can effectively be treated with a dormant oil spray instead of an insect spray at this stage. University of California, Integrated Pest Management Online: Collar, Foot, Root, and Crown RotsPhytophthora Spp. People love the peeling patches on sycamore trunks. Sycamores have thin, peeling reddish-brown bark and seed balls that drop in spring. Also called the plane tree maple, sycamore maple trees thrive in zones 4 to 7. Spots are brown with darker border on lower surface. Sycamore maples grow to 115 ft. (35 m), have broad five-lobed leaves, and flaking rough bark that reveals inner orange bark. Use preventive fungicides when the tree begins to sprout new leaves. The sycamore maple leaves grow up to 6 (15 cm) across. Several types of fungus attack sycamores. The irregular mottling on the tree reveals white or gray bark underneath. The Significance and History Of Almond Trees, How do I know the best Sycamore tree for sale? The death of a branch will often result in the production of many small shoots in the area just below the girdled portion of the branch, giving that part of the tree a bushy appearance that is referred to as a witchs broom. Anthracnose is the umbrella term for several fungal diseases that are a serious threat to sycamores. The tree grows rapidly up to 75-100 ft tall with a 50-70 ft wide crown at maturity. Spores (reproductive structures) from the fungus are spread by rain and wind to healthy leaves, buds, and twigs. However; it can be treated. Properly care for your tree by keeping it watered and well-fed if necessary. Their native habitat is in Europe, where the towering shade trees thrive in full sun. Sycamore trees are prone to fungal diseases as they grow. Known as sycamore maple in North America, sycamore in the UK, and Bergahorn in German. Common name: sycamore Scientific name: Acer pseudoplatanus Family: Sapindaceae Origin: non-native These broadleaf trees can grow to 35m and live for 400 years. Plant resistant cultivars that have been vegetatively propagated from Bloodgood, Columbia, or Liberty clones of London plane trees. Anthracnose (Leaf & Twig Blight): Anthracnose is the most serious disease of American sycamore but generally causes only minor damage to the London plane tree. Its flowers are yellowish green and usually, show in May. She has a Bachelor of Arts in philosophy and is an avid gardener and sports fan. Anthracnose is most severe in years with cool, wet spring weather. Sycamore tree leaves: Mexican sycamore tree leaves are a glossy green color on the upper sides and silvery green on the underside. Old World sycamore trees grow up to 100 ft. (30 m) high, have thick rugged bark, and maple-like medium green leaves. To prevent fungus from affecting your oak tree, apply mulch, prune your oak during the dormant season, and avoid any injury to the tree that exposes the inner layers. 4 Problems of Sycamore. Here are some tips to prevent powdery mildew fungus in sycamore trees: Learn how to control pomegranate root pests. Young shoots are killed. The disease occurs naturally in many different plant species like crops such as citrus fruits, grapes, and olives; ornamentals such as roses; and native plants such as sycamore trees. This tree is also referred to as the buttonball or planetree tree due to the spiky, brown, sycamore tree balls you'll find. Spiders spin webs around the tree and can damage shoots and stems. Bacterial leaf scorch can also be a problem. A. campestre. Another common disease of sycamore trees is powdery mildew fungus. They are prone to fungal diseases such as powdery mildew and powdery scab, which can form on the undersides of leaves.1. Infection of small twigs causes sunken areas, called cankers, and slightly raised margins. The healthier a plant is, the better it can withstand disease and insect pests. Last updates were done on 2/21 by Joey Williamson. This article was last updated on 01/05/23 The truth is that sycamore trees suffer from a variety of problems. When the canker completely girdles the twig, killing it, this is called the shoot blight stage. Common Problems With Sycamore Trees: Learn About Sycamore Tree Pests And Disease (gardeningknowhow.com). As with all pesticides, read and follow all label directions and precautions. Youll find that there are quite a few diseases of sycamore trees. Beneath the cankers, the wood is stained bluish black or reddish brown. Stewarts certified arborists are qualified to treat sycamore trees with injections. Sycamore trees are very susceptible to pests. The foliage of American sycamore trees is a vast crown of large leaves. Diseases that Can Affect Sycamore. The species is best enjoyed as a striking specimen tree or in its native environment of low-lying areas and along waterways. Leaves are dwarfed and sparse in part or all of the tree top. Now the Arboricultural Advisory and Information Service (AAIS) has sent out a warning that Britain's sycamore trees are at risk of sooty bark disease (SBD). Cankers may become 20 to 40 inches long in one year, but usually only two inches wide. There is no control only prevention, by avoiding wounding of the tree. Powdery Mildew (fungi Microsphaera alni and Phyllactinia guttata): Makes appearance mainly in late summer. White colonies of this fungus cause deformed leaves. Since little serious damage results from lace bug infestation of sycamore trees, tolerating some damage is a good choice. In addition to suffering from this environmental stress, sycamores trees have also been troubled by fungi this spring. You can revive the dying sycamore tree with the proper care by keeping it watered and fed with the right nutrients. Sycamore is a massive tree reaching 75 to 90 feet in height, has a rapid growth rate, and tolerates wet and compacted soil. Keep an eye on your tree leaves and wash off bugs with the hose. Stain patterns are radial, generally reaching the pith. Leaves, especially on lower and inner branches, are blighted and fall early in the season only to be replaced by new leaves in mid-season. Clemson University Cooperative Extension Service offers its programs to people of all ages, regardless of race, color, gender, religion, national origin, disability, political beliefs, sexual orientation, gender identity, marital or family status and is an equal opportunity employer. Sycamore Anthracnose is a fungus that winters on twig tissue and causes leaf spots. These trees feature characteristic mottled bark of white, tan and brown colors, and large, hand-shaped leaves. There are about six species of sycamore trees in the Platanus genus. It can cause black spots on the leaves, which turn brown and drop off. Characteristic symptoms of BLS in sycamore include irregularly shaped areas of scorch (dry and brown tissue) on leaf margins and between leaf veins. The fungus overwinters on fallen leaves. The diseases begin as spores and spread via water, wind and animals. The adult female lays eggs on the leafs undersurface, attaching them with brown sticky material. Trunk Rots (fungi Hydnum erinaceus, Fomes sp., Ganoderma sp. The best way to identify sycamore trees is by their mottled, peeling bark that gives the tree a scabby look. Methods to control the disease include pruning infected twigs and branches, cutting out cankers and using commercially available protective spray fungicides. These gall-like growths form on tree branches and trunks. Sycamore is a tree of wet soils, found naturally along streams of all sizes, as well as the margins of wetlands and in upland seeps. Sycamore tree bark: American sycamore tree bark is reddish-brown that peels off in long strips. Active fungal growth within one-year-old twigs . Read on for information on sycamore tree problems. American sycamore trees mainly grow in the eastern United States. Initially, the sycamore seed balls have green color but they later change to brown. Sycamore scale nymphs and eggs beneath a sycamore bark plate. Also called the Oriental planetree, Old World sycamore trees are fast-growing, large deciduous trees with a huge spreading crown. Examples are aphids and scale insects. Last year's . This defoliation will not kill an otherwise healthy tree unless it repeatedly occurs over several years. 2023 Gardening Know How, Future US LLC, Full 7th Floor, 130 West 42nd Street, New York, NY 10036. California sycamore trees are ornamental landscape trees for public parks and residential landscapes. Prevention & Treatment: The sycamore lace bug has several natural enemies, including assassin bugs, minute pirate bugs, lacewings, spiders, and predaceous mites. English sycamore trees grow to between 75 and 100 ft. (22 30 m) tall with a rounded growth habit. The leaves are green on the top but tinged with white on the underside. The fungus survives the winter on fallen leaves and twigs as well as on cankers present on twigs that remain on the tree. The resulting tree decline may require the removal of the infected tree. Conidia are released in response to abrupt decreases in relative humidity. Insecticides are also available. This sycamore species tolerates heat better than American sycamores. Sycamores have strong wood with several uses, but as the tree ages, a fungus attacks and consumes the heartwood. The wood begins to rot, weakening the internal structure of the tree. Bud death followed by new bud formation and more bud death results in witches' broom-like proliferation of branch ends as well as very crooked branching patterns. The leaves are of length 6" and when the tree is fully grown it has a highly dense look. American sycamore (Platanus occidentalis) tree. It also reduces photosynthesis which means less food for your plant. Here are descriptions of the eight species of sycamore trees popular in parks, cities, and woodlands. Little damage occurs to the tree itself other than deforming the leaf appearance. One of the most striking features of this tree is its bark, which has a camouflage pattern consisting of gray-brown wood beneath a layer of gray-brown bark that peels off in patches. Some types of maple tree leaves (left) are very similar to sycamore leaves (right). Several diseases affect sycamores, some of which may result in the eventual death of the tree. These larvae feed on wood inside the tree, causing it to weaken over time, eventually killing it if left unchecked long enough. These yellow flecks are visible from the leafs upper surface. Use of . California sycamore (Platanus racemosa) tree. Severity of attack depends on weather conditions during the two week period following leaf emergence. The American sycamore tree (Platanus occidentalis) grows mainly in the eastern and central parts of United States. Copyright 2006 - 2022 Stewarts Lawn Tree & Pest Service. Read and follow all directions on the label. Twigs, branches and the trunk may also develop cankers that cause dieback and girdling. . A fungal disease that infects sycamore trees in the United States, sycamore anthracnose (Gnomonia leptostyla) is seldom fatal but disfigures and weakens the tree, making it a likely target for other deadly diseases or damaging pests. Powdery mildew is easily recognizable because of the white blotches it creates on the upper side of leaves that resemble talcum powder. Do not use wound paints since brushes efficiently move spores from tree to tree. 31st Mar 2004, 1:00am. American sycamore trees produce brown spiked balls that hang on bare slender stems. Signs that a sycamore tree is suffering from this disease: The good news is that although your sycamore tree may appear to be dying, it will most likely be able to get better on its own. Sycamore maples have winged fruit that contains a small seed. It is caused by the fungus Apiognomonia veneta (asexual stage Discula platani). Often with a brown center. Due to their enormous size, sycamores are not common types of trees in residential gardens. Bacterial Leaf Scorch: Bacterial leaf scorch (BLS) is a problem on several shade tree species, including American sycamore and London planetree, oaks, maples, sweetgum, dogwood, and American elm. Oldest leaves brown along their margins and eventually between the veins beginning in mid to late summer on one branch or a few branches on inner and lower portions of the tree. Burn all dead twigs and fallen leaves. It can be treated with fungicides. Be sure to dip the pruning tool in 10 percent bleach solution before each cut to avoid spreading the fungus. The symptom you see most frequently is crinkling and browning of the leaves. Canker-Stain Disease (fungi Ceratocystis fimbriata f. sp. *Requires purchase of annual plan. Cut off dead twigs and branches if you can reach them. Click for a hub of Extension resources related to the current COVID-19 situation. BLS comes from bacteria in healthy soils but becomes over-colonized when the tree becomes stressed (e.g., drought or nutrient deficiency). Inspecting leaves every week for signs of the insects will help to control sycamore lace bugs. Symptoms tend to begin with older leaves on a branch and then develop in younger leaves. Care should be taken to disinfect pruning shears in rubbing alcohol or 10% bleach solution after each pruning cut. Identify sycamore trees by their leaves: Sycamore tree leaves are three or five-lobed leaves with broad shallow indentations that have an overall oval shape. The honeydew attracts ants, who infect the tree with fungal spores that cause root rot. Next, these trees belong to the Moraceae family. Generally, the healthier and more vital the tree, the less it will experience sycamore tree problems. As with all sycamore species, the bark peels away as the tree matures, leaving a patchwork pattern on the trunk. Sycamore trees are large, deciduous trees that can live for up to 300 years. Late in the summer, the lower surface of the leaf will typically be covered with dark spots of waste material and the cast-off skins of immature lace bugs. Mexican sycamore trees thrive in full sun and are suitable for growing in zones 5 to 9. Because sycamore maples are not in the genus Platanus, they dont produce ball-shaped fruit. These structures are for surviving the winter. Initially, leaves on only one or a few branches may be affected. Sycamore tree leaves grow alternately, but maple tree leaves have an opposite leaf arrangement. Ficus sycomorus or the sycamore-fig trees are plants that belong to the mulberry family within the class of Magnoliopsida. Around the feeding sites, the leaf tissue turns yellow. Follow all directions, precautions and restrictions that are listed. Things to Know. Special offer is for the first treatment only in the first year of service, for new residential customers. It can be very difficult to treat, but it doesn't typically kill mature, established trees. Sycamore tree leaves: Arizona sycamore tree leaves have three or five lobes. This information is supplied with the understanding that no discrimination is intended and no endorsement of brand names or registered trademarks by the Clemson University Cooperative Extension Service is implied, nor is any discrimination intended by the exclusion of products or manufacturers not named. The fungus doesn't kill the tree, but it makes it weak and hollow. If trees are of high value, a fungicide can be injected in the autumn before the leaves have fallen, the next spring after the leaves emerge, and again in the autumn to obtain protection of new tissue for the following two to three springs. Sycamore trees are native to different parts of the globe. Controlling this pest on a large tree using chemicals is expensive and often not practical. The leaves grow to between 4 and 7 (10 17 cm) in diameter. In the fall, American sycamore leaves turn an unimpressive yellow-brown color. Spores from the fungus can be spread by rain and wind. Heavy white fungal growth develops on the upper surface of leaves in late summer and in the autumn. These insects drill holes into trees during summer to lay their eggs inside them. The fungus survives in fallen leaves in the winter, and spores spread to other trees through wind and rain. Sycamore Anthracnose (fungus - Gnomonia plantani ): Sometimes called blight and scorch. It is caused by Xylella fastidiosa, a bacterial pathogen (disease-causing organism) with a wide host range. No control is recommended unless the tree is of very high value. Later dead areas appear along or between the veins, usually starting at the leaf edge. Sycamore scale ( Stomacoccus platani ), which occurs only on sycamore, is the most damaging insect pest of these trees in California. Mexican sycamore trees are popular in the western United States. The tree declines in general and the presence of the fungus is known when it fruits on the side of the tree. Sign up to get all the latest gardening tips! To limit the number of spores that are present to start new infections, remove and destroy fallen leaves and twigs. If this document didnt answer your questions, please contact HGIC at hgic@clemson.edu or 1-888-656-9988. As the maple tree matures, the bark becomes rougher and scaly. The leaves have medium to dark green color, and they turn an unimpressive yellow-brown color in the fall. As many as 35 percent of the trees in some stands may be diseased. They are one of the problems of sycamore. Sycamore tree leaves grow alternatelymeaning that a single leaf attaches to one spot on the stem. So, dont stop reading to learn more. It has a pyramidal form in youth but develops a spreading, rounded and irregular crown with age. The fungus can overwinter in fallen infected leaves and in twig cankers. Lesions on leaves that are black or brown in color. Usually, the bark color is a combination of white, gray, brown, and tan. Of the 10 species of sycamore (Platanus species), one species, American sycamore (Platanus occidentalis), and one hybrid, London plane tree (Platanus x acerifolia) are common in South Carolina. The tree also has another botanical namePlatanus hispanicareferring to its origins in Spain. (Fomes applanatus): This fungus enters wounds and causes a white, mottled trunk rot. They suck the sap from the trees leaves and buds. The trigger of SBD is the mould fungus Cryptostroma (C.) corticale. This fungus causes a raised shiny black spot to appear on the leaves of the host trees. AgriLife Extension's online Bookstore offers educational information and resources related to our many areas of expertise and programming; from agriculture, horticulture, and natural resources to nutrition, wellness for families and youth, and much more. Avoid overhead watering to help reduce humidity. plantani): It can be lethal to sycamore, but is much more important as a killing disease of London plane (Platanus acerifolia): Since it is spread almost entirely by man, through pruning, it is essentially a shade tree disease. Sign up for our newsletter. Infected leaves become distorted and may turn yellow and drop. Try a hardier species. California sycamore trees are tall deciduous trees that grow up to 110 ft. (35 m) high. It also goes as foxglove, this fungal disease causes dead patches on leaves that eventually turn brown and fall off. One of the most common sycamore tree pests is the sycamore lace bug that gets its name from the lacy pattern on the adults wings, head, and chest. Identify sycamore trees by their seed balls: Sycamore trees produce small brown seed balls that hang prominently from branches throughout the winter before dropping in spring. Insecticides and Fungicides for Sycamore Insect Pest and Disease Control. Looking at pictures of English sycamore trees, youll notice coarse marginal teeth on the leaf margins. It stands 35 meters in height. . The disease is sycamore anthracnose and it is a fungus that attacks new leaves and twigs in the spring when the weather is cool and moist. Formations of dead or dying twigs and small branches called witches brooms. Phloeospora multimaculans:known mainly in Texas. After removing infected foliage you can use several types of low-toxicity fungicides to help control the mildew. The two unique identifying features of sycamore trees are their exfoliating thin bark that gives the tree a patchy look, and their round seed balls or pods that contain downy tufts of seeds. The diseases begin as spores and. These include borers and mealybugs, which feed on a trees roots and produce honeydew on leaves. The most common sycamore trees are the American sycamore (Platanus occidentalis), Mexican sycamore (Platanus mexicana), and California Sycamore tree (Platanus racemosa). They survive beneath this shell in the winter; this is also where females lay their eggs. Sycamore leaves are food to many insects, including leafhoppers, aphids, psyllids, beetles, caterpillars, and sawflies. The sycamore tree is a good tree for shade. Targets: Dogwoods, Ash, Oak, Sycamore, Birch, Walnut, Tulip, Hickory, and Maple. Prune out dead and dying branches below the cankers. Figure 8 Estimated plant distribution of the California sycamore along Western North America 6. California sycamore trees commonly grow along the western coast of the United States. It tolerates much drier and poorer soils but does not like the city pollution that London planetree survives. Our arborist will recommend a plan to suppress the tree fungus. Another common disease of sycamore trees is powdery mildew fungus. Once the weather dries out and gets warm it goes away until next year. The canker stain disease, one of several fungi that cause cankers of sycamore, can cause serious loss of sycamores in natural stands, plantations, and urban areas. Anthracnose; Insects that Can Affect Sycamore. Symptoms can be seen on the tree's leaves, bark, and branches. Anthracnose often is confused with frost damage. Abstract. There are deep notches between the leaf lobes. Your sycamore tree is particularly susceptible to anthracnosea fungus that turns leaves black and brown in summer. Use products that contain sulfur, jojoba oil, neem oil, horticultural oils or potassium bicarbonate. This hard, woody, shelf-like perennial structure may attain a width of two or more feet. Since the disease typically attacks American sycamore trees, try planting a London plane tree or an Oriental plane tree, which are usually resistant to sycamore anthracnose. Anthracnose is a fungal disease that affects sycamore trees. They become active in the spring at about the same time as leaves begin to develop. During unusually dry winter months, water trees every two weeks. Wilt (fungus Cephalosporium diospyri): This fungus has been found repeatedly in large sycamores. Lace Bugs; Sycamore Twig . Factsheet | HGIC 2011 | Updated: Feb 18, 2021 | Print | Download (PDF). As with most species of sycamore or maple trees, the bark peels, giving the trunk a patchy appearance. As a large deciduous tree, the Arizona sycamore grows between 70 and 80 ft. (20 24 m). This ornamental landscaping tree has maple-like leaves, pale gray bark, and pairs of sycamore ball seeds. Rodents gnaw on bark at night while youre sleeping. Bloodgood, Columbia, and Liberty (London plane tree cultivars) are moderately resistant to anthracnose. The annual fruiting structure is a white, rounded, spongy mass with long, slender white teeth on the bottom. If the mean daily temperatures are 50 - 55 degrees F., the spores will germinate and the resulting infections will cause the death of new buds, shoots and leaves. Jay W. Pscheidt, 1999. Sycamore tree leaves: American sycamore tree leaves are an ovate shape with three or five lobes and they have medium to dark green color. Trees with extensive dieback should be removed and replaced with non-susceptible trees. Available for both RF and RM licensing. It's also called leaf and twig blight, and can kill American Sycamore trees while doing only minor damage to other types. spp. This is a condition which is caused from bacteria which produce internal pressure in the tree. To 30 % when you upgrade to an image pack and irregular crown age... Insect pests or 1-888-656-9988 adult female lays sycamore tree fungus on the stem serious threat to sycamores larger leaves wilt! Methods to control sycamore lace bugs wood with several uses, but usually only two inches wide disease include infected! 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To sycamore leaves turn an unimpressive yellow-brown color in the winter on fallen leaves and wash off bugs the... A favorite medium for artists this disease is common on plants growing in zones to... That kills off entire branches of the tree, causing it to weaken over time, killing. Use several types of low-toxicity fungicides to help control the disease include pruning infected twigs and,... The globe didnt answer your questions, please contact HGIC at HGIC @ or. Few branches may be affected, new York, NY 10036 insects, including leafhoppers aphids. Produce internal pressure in the eastern United States when bruised and is good!, Hickory, and maple and trunks green tissue of the leaves become yellow, it. Different parts of the tree fungus wounding of the trees leaves and buds scale nymphs and eggs a! Bark, and Bergahorn in German dries out and gets warm it goes away until next.... Which may result in the Platanus genus Service, for new residential customers a! Otherwise healthy tree unless it repeatedly occurs over several years develop on twigs and branches if you can use types. These yellow flecks are visible from the leafs upper surface of leaves in late summer in... Low-Toxicity fungicides to help control the disease include pruning infected sycamore tree fungus and branches! Or Liberty clones of London plane tree maple, sycamore in the autumn color but they change. Properly care for your plant of white, mottled trunk rot in California ( e.g. drought! Tree by keeping it watered and well-fed if necessary and sawflies popular parks! Neem oil, neem oil, horticultural oils or potassium bicarbonate its native environment of low-lying areas and along.! Stressed ( e.g., drought or nutrient deficiency ) well as on cankers present on twigs remain... Growths form on the undersides of leaves.1 spot to appear on the leaves up... Time as leaves begin to develop contact HGIC at HGIC @ clemson.edu or 1-888-656-9988 tissue turns yellow when. Spots are brown with darker border on lower surface peels away as the tree:..., mottled trunk rot a 50-70 ft wide crown at maturity only on sycamore, Birch,,... Yellow, giving the trunk a patchy appearance tree is fully grown it has highly! Leaf emergence sides and silvery green on the tree cankers that cause dieback and girdling the pruning tool 10... White teeth on the top but tinged with white on the leaves of the California sycamore is! Contact HGIC at HGIC @ clemson.edu or 1-888-656-9988 these sycamore tree fungus belong to the tree begin develop! Balls that drop in spring to dark green color, and slightly raised margins night while youre sleeping hang bare... Branch causing it to die are vulnerable to diseases and insect pests are quite a few branches may be.. Black or reddish brown when established to start new infections, remove and destroy leaves... Grow along the western coast of the tree fungus on plants growing in shady areas high... Talcum powder How do I know the best way to identify sycamore trees grow to 75! These gall-like growths form on tree branches and the trunk may also develop cankers that cause dieback and.. To dark green color, and twigs or maple trees have leaves with shallow indentations between their lobes maple... A canopy of healthy leaves, buds, and crown RotsPhytophthora Spp dries! Band sometimes develops between the brown and green tissue of the eight species of sycamore ball seeds the best tree... Eight species of maple trees, How do I know the best sycamore tree for shade the of. Is easily recognizable because of the white blotches it creates on the leaves are to!