Florida Plant ID: Red Maple Pests include borers and cottony maple scale. Red maple trees thrive in wet soil, and are also sometimes called swamp maples. UF/IFAS Sites. A tree specialist withdraws a core sample from a possibly infected tree to diagnosis the disease. Copyright Leaf Group Ltd. // Leaf Group Lifestyle. They are slow to establish, have poor branching structure and, most importantly, they are susceptible to long-term trunk injury or damage, which results in internal rot and decay. Most know the attractive leaves of Vermontâs state tree, the sugar maple (Acer saccharum). Maple Wilt. Unless irrigated or on a wet site, Red maple is best used north of USDA hardiness zone 9. Chlorosis symptoms (pale green leaves with dark green veins) can be a problem in high pH soil and drought conditions. All Rights Reserved. The infection begins in early spring and can continue into the early summer. A foliar disease called anthracnose can be hard on these trees. Red maple trees thrive in wet soil, and are also sometimes called swamp maples. Because of these problems, they are not the best choice for a long-term shade tree in the Kansas City area. In addition, young red maples less then five years old should be watered on a regular basis throughout dry periods. Red maples face problems derived from diseases. Native to the United States, the tree grows mostly in the eastern states though it can grow anywhere in the continental 48 states. Reasonable accommodations for persons with disabilities may be requested by contacting Johnson County Extension at (913)715-7000. This is like the identity of the tree and sets it apart from other trees. United States Department of Agriculture reports in “Asian Longhorned Beetle: Questions and Answers” that as of May 2007 “damage from infestations in Illinois, New Jersey, and New York has resulted in the removal of more than 30,000 trees and costs to State and Federal governments in excess of $269 million since the discovery of the infestations in 1996.” The Asian longhorned beetle bores into trees like the red maple and eventually kills the tree. Tiny red flowers spout in early summer. The lobed leaves turn an outstanding yellow in the fall. Johnson County11811 S. Sunset DriveSuite 1500Olathe, KS 66061. K-State Research and Extension is an equal opportunity provider and employer. I have an Autumn Blaze maple in my front yard, facing east. Plan the perfect garden with our interactive tool →, United States Department of Agriculture: Asian Longhorned Beetle: Questions and Answers, Alabama Cooperative Extension System: Phytophthora Root Rot on Woody Ornamentals. There are many other species of shade trees available with fewer problems that will provide beauty in the landscape. It will be in front of a medium-big house, and my main goal is fabulous, orangey fall color. Small maple trees, 25 feet or under, include tatarian maple (Acer tataricum) and Japanese maple varieties (Acer palmatum). Makes an excellent shade tree. You can also use this lovely tree in a waterfront home or lake property. This makes the tree susceptible to high winds and damage from storms, resulting in possible property damage. Phytophthora root rot chocks the tree, reducing its ability to bring water and nutrients into its system. The red maple (Acer rubrum) has red spring color when in bloom, and yellow to red leaves in fall. In any case, if you are looking at your Maple tree and realizing something just doesnât look â¦ The verticillium fungus causes yellowing of leaves and premature dropping. Cons of Planting Maple Trees (Tonyaâs viewpoint) The allure of maple trees is undeniable. The red maple, also called the scarlet maple and swamp maple, earned its name from the bright red foliage that its dark green leaves turn in autumn, before falling to the ground. Keep your red maples vivid by avoiding problems like pests and diseases. Physiological leaf scorch is the most common. Where can I get more information? Height: 35-40 ft Spread: 20-25 ft The problem is referred to as scorch. It is caused by dry â¦ Summer Red® Maple Acer rubrum 'HOSR' A unique selection of native Red Maple that displays outstanding burgundy red leaves in spring. The leaf disease results in black spots covering the leaves. Also, one says more orangey, and one says bright red. Maple Tree Leaf Diseases The most common â and least important â problems can be seen on the leaves. ... During mid to late summer, black tar-like raised structures are formed on the upper surface of leaves within the yellow spots. Range/Site Description: Abundant in low, moist areas in the eastern part of the state. Height: 35-40 ft Spread: 20-25 ft The Garden Hotline is staffed by trained EMG volunteers and Extension staff who will assist you with questions. The fungi that cause verticillium wilt affect the tree's vascular system and causes symptoms of wilting and yellowing leaves that are concentrated in one particular area. â¦ Color and Shape of the leaves: This, in fact, makes all the difference. According to Planttalk Colorado’s article called “Iron Chlorosis,” chlorosis means lack of chlorophyll. Scorch occurs when the plant loses more moisture through the leaf tissue than can be supplied by the root and vascular system, such as during periods of prolonged drought. The Asian longhorned beetle migrated illegally to New York via packing crates and palettes from China. 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