Its red fall color is a surprising extra feature. This Japanese Zelkova is a narrower variety, usually 15 to 20 feet in width, and turns yellow as the autumn arrives. This is the unique growth pattern of the tree that the branches are only grown near the foliage and not in the trunk. A more likely suspect is the wooly elm aphid or the green peach aphid. Please see the attached photo of what looks like some form of rust or scale on my eight year old zelkova serrata that appears to be the likely cause of some leaf and twig die back on the lower story of the tree. The beautiful round leafed Pilea peperomioides are a popular choice for an ornamental indoor plant. The Typical growing pattern gives it a popular name as the “Single-Stem Zelkova”. The next time you want low maintenance, a beautiful tree for a smaller space; don’t forget to consider the Zelkova Serrata Wireless Tree and be ready to go-gaga-over the reddish beauty of the Wireless Zelkova when the autumn starts. Find Wireless Zelkova (Zelkova serrata 'Schmidtlow') in Salt Lake City, Utah (UT) at Millcreek Gardens (Japanese Zelkova) Your Favorite Garden Center Since 1955 (801) 487-4131 Short internodes, fine textured foliage, and a tidy growth habit promise a low maintenance city tree. The phone is 541-776-7371 for further information on how to get a sample to the clinic if you cannot go in person. Buying Zelkova Trees at The Tree Center. Tolerant of cold (to -20°F), drought, humidity, wind, compacted soils, and pollution. Fast growth rate. Ask an Expert is made up of groups and individual experts. Jean suggests you view the following website about "Calico scale" to compare both photos and description of the insects on your tree. Many arborists recommend Zelkova as a replacement for the American Elm, because it offers a similar look and is resistant to Dutch Elm disease. The Japanese Zelkova Tree is a large, regal, vase-shaped shade tree from Japan, Korea, Taiwan, and northeast China. The Wireless Zelkova is selected for its low height and broad spreading shape. Problems. Hope you are still tuned in. Selecting Trees Choosing the right tree for your landscape Choosing the Right Tree for Your Landscape Read the following information carefully before making a choice. Translation. Related to Elm Trees, but very resistant to Dutch Elm disease, it has gotten much more popular in this country since the arrival of that devastating disease many years ago. A Hardy Alternative to the American Elm Why 'Green Vase'® Zelkova Trees? Search on zelkova disease, wooly elm aphid, common nursery pests, and phytophera sem-rot to access materials that may be helpful in identifying your problem as well as treatments you can use to rid the tree of the problem.Access these materials at pnwhandbooks.org. Zelkova serrata 'Green Vase' A fast-growing, medium-sized, deciduous tree. Website address: //bygl.osu.edu/index.php/node/1022 Thanks go to Jean for setting the record straight! A very knowledgable other expert, Jean Natter, has suggested another culprit in the case of the damaged zelkova twigs and leaves. You should be able to see the flare at the base of the trunk where it joins the root system. The crown is shorter and more rounded than the American elm. Spider mites can be a problem in hot, dry summers. Young trees have lenticels on beautiful reddish-brown bark. Green leaves turn yellow, copper, orange or deep red to purplish-red in fall, putting on a showy display. Indeed, the insects on the twig appear to be soft scale insects. The tree is shorter, so it occupies lesser space and a good choice for low spaced regions, parks, and even domestic gardens. Nature has created copious varieties of living creatures including plants and trees of all kinds. The yearly selection must be adaptable to a variety of harsh urban growing conditions and have strong ornamental traits. These trees need up to 6 hours of bright sun exposure and the same 6 hours for low sunlight or shady atmosphere. The trees are deep-rooted. The winter turns the foliage into reddish shades. Some of the important characters are mentioned below; It is compatible with most of the soil types from alkaline to acidic. Popular for its short trunk, widespread foliage, and the beautiful reddish color in the fall. This allows a firm and supported structure of the tree. Please take a sample of what appear to be insects on the twig, along with some dead twigs and leaves to the plant clinic at the OSU Extension office at 569 Hanley Road (Rte 238), Central Point.They can examine the twig and leaves and insects under a microscope for a definite identification. The website, from Ohio state University, also mentions possible treatments to rid the tree of the problem. There are two likely culprits that could be affecting your zelkova tree: a phytophera disease organism or a wooly elm aphid. See our website for more information. Noteworthy Characteristics. It blooms in full sun. This variety is wider as compared to others and is usually 40 feet in width. and a spread of 36ft.. The short height and single stem structure make them a good choice to grow without being an obstacle in the pathway of walking people underneath and the wires above them. Zelkova serrata 'Wireless' Sawleaf Zelkova, Japanese Zelkova A smaller tree with a spreading, vase-shaped crown. Zelkova serrata ‘Schmidtlow’: Growing zones 5-8. It also makes a good substitute for American elm, as it is resistant to Dutch elm disease. Somewhat flat-topped at maturity. Resistant to Dutch elm disease. This is the shortest of all other varieties. 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