Mexican sycamore (Platanus mexicana) is a fast growing, drought tolerant tree boasting smooth white-and-tan bark and large maple-like leaves with velvety, silver undersides.Native to northeastern and central Mexico, this tree’s cold hardiness is not well defined. Some species of the tree grow in U.S. Department of Agriculture plant hardiness zones 8 to 10. Young sycamore trees will perish if they experience temperatures lower than -34F. These branches should be spaced two to four feet apart along the trunk to develop a strong structure. In 1981, a record 12.9 million acres were defoliated. To control sycamore lace bugs, it is important to inspect leaves every week for signs of the insect. Acknowledgements Not only is its size a problem, but its aggressive roots damage sidewalks, patios and plumbing. (function(i,s,o,g,r,a,m){i['GoogleAnalyticsObject']=r;i[r]=i[r]||function(){(i[r].q=i[r].q||[]).push(arguments)},i[r].l=1*new Date();a=s.createElement(o),m=s.getElementsByTagName(o)[0];a.async=1;a.src=g;m.parentNode.insertBefore(a,m)})(window,document,'script','//www.google-analytics.com/analytics.js','ga');ga('create', 'UA-46953310-1', 'auto');ga('require', 'displayfeatures');ga('send', 'pageview'); More Articles. Sycamore (Platanus occidentalis L.) is a common tree and one of the largest in eastern deciduous forests. She has a Bachelor of Arts in philosophy and is an avid gardener and sports fan. Sycamore Scale: The Stubborn Tree Pest. For noncommercial purposes only, any Web site may link directly to this page. Once a significant number of branches have succumbed to the disease, remove the tree and replace it with a tree not susceptible to bacterial leaf scorch. Pest description and damage Several species of aphids can become a problem for sycamores. London Plane Tree. to develop a lower canopy. 3 The cream- to olive-colored exfoliatin… USDA Natural Resources Conservation Service: Plants Profile: Platanus L. Why Are the Leaves of My Eastern Redbud Tree Dying? and crown rots, Poor water This is an area larger than Rhode Island, Massachusetts, and Connecticut combined. Oystershell scale; Clearwing moth borers. If trees are regularly Dry soil can lead to short life for this wet-site- tolerant tree. reaching 30 to 40 feet tall. Anthracnose is the umbrella term for several fungal diseases that are a serious threat to sycamores. hang from the branches in winter. Canker stain: London plane and sycamore trees have sparse foliage, small leaves, and elongated sunken cankers on the trunk and larger branches. FOR ALL OTHER USES or more information, read Legal Notices. Pest resistance: sensitive to pests/diseases Use and Management They are best suited for soils which are moist and do not dry out. Staff-only pages Lauren Miller has more than 10 years of experience as a writer and editor. Those seed pods when dry have a coating of tiny hairs and can irritate air passages, so handle them carefully. sycamore lacebug, Canker resistant to powdery mildew and its susceptibility to anthracnose Trees at Risk. Since little serious damage results from lace bug infestation of Sycamore Lace Bug – The adult insect has a lacy pattern on its head, wings and chest. The diseases begin as spores and spread via water, wind and animals. Division of Agriculture and Natural Resources They may be able to save a tree by cutting out infected branches and properly removing soil to help dry out soaked crown tissue. Remnants of these egg masses can be seen … If the tree is small enough, spraying with a strong stream of water can control a light infestation. Sycamore is susceptible to sooty bark, which can lead to wilting of the crown and death of the tree, as well as a variety of other fungal diseases. 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