The foliage is green in summer, while the autumn turns it into a small reddish tree that looks impressively pretty. A Hardy Alternative to the American Elm Why 'Green Vase'® Zelkova Trees? Due to the name of the cultivator, this variety is popularly known as Schmidt low, where low denotes its shorter height. Zelkovas are usually tall trees that can grow above 40 feet tall. Insect visitors include leaf miner, beetles and scale. 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 However, they have basic requirements that need to be fulfilled for good growth and a healthy appearance. The peeling bark on older trees exposes orange patches, which can be quite impressive. Indeed, the insects on the twig appear to be soft scale insects. Best wishes for rooting out the culprits! This tree remains lower than the electricity lines and wires in modern societies so it is commonly grown in streets and pathways to look beautiful without hindering the wires. The website, from Ohio state University, also mentions possible treatments to rid the tree of the problem. 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. Zelkova serrata 'Village Green' - more round-vased at maturity, to 45' tall by 40' wide, with wine-red fall color NOTES. USDA zones: 5 - 9 Sunset zones: 3 - 21 Mature size: 25 fee In fall, foliage turns red. Conclusion. The Green Vase® Zelkova has everything you could ever want in a shade tree, from its ornamental interest in every season and pest and disease resistance to hardy, tolerant growth. Go to our website extension.umd.edu and type … Noteworthy Characteristics. The lenticels can be compared to that of the cherries. This is similar to Musashino, the only difference is that it comparatively grows quickly as compared to the former variety. Zelkova is closely related to elms, but it is resistant to Dutch elm disease. Semi-dwarf cultivar great for tight urban spaces and under powerlines. Grows to a height of 24ft. See our website for more information. Zelkova is a genus of six species of deciduous trees in the elm family Ulmaceae, native to southern Europe, and southwest and eastern Asia. The young trees require to be pruned in the fall to enhance quicker growth. Either can cause twig die-back and ultimately leaf death. This is the shortest of all other varieties. Due to its wide upper umbrella, the trees make good shady trees. Compact, dense, and semi-dwarf, this is the perfect little tree for tight urban spaces. Family: Ulmaceae This is popular due to its smaller height and a wide umbrella-like structure. The narrow upright habit of ‘Musashino’ zelkova lends itself to many uses. A more likely suspect is the wooly elm aphid or the green peach aphid. There are many factors specific to your landscape to consider in order to make an appropriate selection. The family has many different varieties some of which are even propagated as patented varieties of specific cultivators. Japanese Zelkova is a tough urban tree for residential shade and street plantings. The branches must remain lesser than half the diameter of the trunk. No serious insect or disease problems. It is often grown as an ornamental tree, and used in bonsai.There are two varieties, Zelkova serrata var. One famous Zelkova is the Wireless Zelkova which is a shorter variety and a mature tree grows up to 25 feet in height and spreads in a vase-like shape of about 35 feet in width. The Japanese Zelkova is a good street and shade tree that has an appealing vase-shaped form with a rounded crown. This allows a firm and supported structure of the tree. Our trees are grown by grafting stems from selected trees with the best qualities onto the roots of seedling trees. It has a spreading, generally upright branching, vase-shaped habit. It is an ideal shape for street plantings under utility lines. Phloem necrosis, wilts and cankers may occur. Bark is distinctive, predominantly in shades of yellows and light greys and has a flaky appearance revealing additional textures and tones of orange, brown and pink. Zelkova is the European name for another species of the genus. This variety is wider as compared to others and is usually 40 feet in width. Highly resistant to Dutch elm disease. It is pretty resistant to the cold weather and turns mature quickly as compared to others. Save my name, email, and website in this browser for the next time I comment. The winter turns the foliage into reddish shades. Drought tolerant and fairly tolerant of urban sites once established. This Japanese Zelkova is a narrower variety, usually 15 to 20 feet in width, and turns yellow as the autumn arrives. It must be produced directly from trees absolutely known to be right. It is adaptable to hardiness zones 5 to 8. Fast growth rate. Jean suggests you view the following website about "Calico scale" to compare both photos and description of the insects on your tree. Wireless® Zelkova: Zone: 5: Height: 24' Spread: 36' Shape: Broadly spreading vase Foliage: Medium green Fall Color: Red: Selected for its low height and broad spreading shape, this cultivar has an ideal shape for street plantings under utility lines. Hope you are still tuned in. Either of these pests flies in spring or overwinters on the tree and hatches out in spring. Here is some detailed information on the zelkova tree. It stands beautifully without creating any hindrance for the people or equipment to pass underneath. The Japanese Zelkova Tree is a large, regal, vase-shaped shade tree from Japan, Korea, Taiwan, and northeast China. The trees are deep-rooted. Need to know what I can do to prevent loss of the tree. Tolerant of cold (to -20°F), drought, humidity, wind, compacted soils, and pollution. It also makes a good substitute for American elm, as it is resistant to Dutch elm disease. 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. It is noted for its graceful shape, clean foliage, attractive bark and resistance to Dutch elm disease. Short internodes, fine textured foliage, and a tidy growth habit promise a low maintenance city tree. Gardenality is a gardening-centric site made by gardeners for gardeners with tools that enhance any gardening for the expert to the weekend gardener. Zelkova serrata Wireless = 'Schmidtlow' RHS Plants for Pollinators plants This plant will provide nectar and pollen for bees and the many other types of pollinating insects. A very knowledgable other expert, Jean Natter, has suggested another culprit in the case of the damaged zelkova twigs and leaves. The Zelkova Serrata Green Vase is narrower as compared to all other cultivars. Translation. It blooms in full sun. A Zelkova Tree is a special plant and only the exact plant will have the proper shape, disease resistance and fall color. This variety is common in America, Canada, and the UK. It is an ideal shape for street plantings under utility lines. Purpose Popular for its short trunk, widespread foliage, and the beautiful reddish color in the fall. Bark smooth-gray initially. The tree is single-stemmed from the base which means that the branches start growing in the upper portion. The Wireless Zelkova is a spreading vase-shaped tree. You should be able to see the flare at the base of the trunk where it joins the root system. This fast-growing rate also adds to the reasons for its popularity. The yearly selection must be adaptable to a variety of harsh urban growing conditions and have strong ornamental traits. The Wireless® Zelkova was introduced by Keith Warren of J. Frank Schmidt Nursery in Boring, Oregon. As mentioned, the Wireless Zelkova Growth Rate is pretty quick. We do notice that the tree looks like it has been planted too deeply. It is reportedly risky to transplant in the fall. Ask an Expert is made up of groups and individual experts. Somewhat flat-topped at maturity. Distinctly wider than it is tall. The Wireless Zelkova is selected for its low height and broad spreading shape. Zelkova serrata, commonly called Japanese zelkova, is a medium to large deciduous tree, typically growing to 50-80’ tall with a spreading, generally upward-branching, vase-shaped crown.It is native to Japan, Taiwan and eastern China. The wireless Zelkova are low maintenance plants. They vary in size from shrubs (Z. sicula) to large trees up to 35 m tall (Z. carpinifolia). The Zelkova Serrata Wireless: One famous Zelkova is the Wireless Zelkova which is a shorter variety and a mature tree grows up to 25 feet in height and spreads in a vase-like shape of about 35 feet in width. Resistant to Dutch elm disease. Many arborists recommend Zelkova as a replacement for the American Elm, because it offers a similar look and is resistant to Dutch Elm disease. Popular for its short trunk, widespread foliage, and the beautiful reddish color in the fall. Its red fall color is a surprising extra feature. Medium green, pointed, oblong, leaves are named for their saw-toothed edges. Established trees are fairly drought-tolerant, requiring little irrigation unless located in sandy soil. Zelkova Tree Scientific Name: Zelkova serrata. These are easy to handle and are quick growers. The clinic is open Monday through Friday, 10 to 2. Broadleaf deciduous tree, 50-60(80) ft [15-18(24) m], vase-shaped, low branched. This is the unique growth pattern of the tree that the branches are only grown near the foliage and not in the trunk. In optimum conditions, the trees live up to 70 years. 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. Spider mites can be a problem in hot, dry summers. This makes them resistant to winds. Wireless Zelkova. They are a preferable choice to enhance the beauty of lawns and gardens while using lesser space as compared to others. serrata translates as "saw-toothed" or "serrated", in reference to the leaf margins. The features of low maintenance and disease resistance make it an excellent choice for the street pathways of cities. It is very tolerant of different soil conditions and has excellent fall color. 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. The phone is 541-776-7371 for further information on how to get a sample to the clinic if you cannot go in person. Nature has created copious varieties of living creatures including plants and trees of all kinds. Unique shape for a Zelkova. These trees are huge in size and deciduous in nature means they lose leaves in the fall and are not evergreen. The leaf margins are sharply serrated. The Wireless Zelkova is selected for its low height and broad spreading shape. Morphology: As a broadleaf deciduous tree, wireless zelkova has simple alternate leaves, 2”-3” long and oblong-ovate in shape. All Right Reserved. Zelkova serrata ‘Schmidtlow’: Growing zones 5-8. The bark turns grayish-brown on maturity with strips of exfoliation displaying the inner bark. Fast growth rate. This smaller cultivar of Zelkova Serrat was introduced by the J. Frank Schmidt Nursery of Boring, USA. 'Green Vase' matures to a graceful, uniform V-shaped tree with a short trunk and upright branching. The Wireless® Zelkova is a cultivar of the massive Japanese Zelkova that allows it to be used underneath power lines, which its name alludes to. Zelkova trees are also called “Keaki”. Description Introduced by J. Frank Schmidt Nursery in Boring Oregon, this zelkova cultivar is touted as being an excellent choice for use beneath power lines as it attains height of 24’ and a spread of 35’. Out of all the varieties of the Japanese Zelkova, Wireless Zelkova is the shortest and most popular. Some of the important characters are mentioned below; It is compatible with most of the soil types from alkaline to acidic. At Zelkova Ventures, we’re passionate about assisting in the growth of businesses.We roll up our sleeves and partner with our portfolio companies for success. Photo Courtesy J. Frank Schmidt & Son Co. by Michelle Sutton, Taking Root Editor The Society of Municipal Arborists (SMA) has voted Zelkova serrata ‘Musashino’ the 2016 Urban Tree of the Year. The bark is a smooth, reddish brown when young with prominent cherry-like lenticels. The trees are drought resistant and can thrive well in lesser water situations. Buying Zelkova Trees at The Tree Center. The trees are preferably grown in parks, street sideways, parking lots, domestic and official lawns, Bonsai, and Buffer strips. Wireless Zelkova is a cultivar of the six species-genus Zelkova Serrata belonging to the botanical family Ulmaceae. Native to Eastern Asia, Japan. It grows to about 24' but spreads to about 36', a desirable trait for many urban trees. You can also consult the Pacific Northwest Handbook on Insects and the one on Disease. It is a great tree for smaller yards or under electrical lines. The tree is shorter, so it occupies lesser space and a good choice for low spaced regions, parks, and even domestic gardens. In the current era, we are smart enough to discover and popularize things according to our requirements. In this article, we will highlight the basic characteristics of the beautiful Wireless Zelkova along with an introduction to its other family members. The Story. Young trees have lenticels on beautiful reddish-brown bark. Summer foliage appears brighter green than typical Zelkova. Zelkova Tree Facts and Info. Zelkova, Japanese The Zelkova Tree will tolerate most soil types, including those with a pH to about 7.5 (not alkaline-tolerant), but prefers a moist deep loam. Foliage View. Wireless Zelkova: Everything You Need to Know, String of Turtles Plant: Care and Propagation, Variegated Monstera Adansonii | Cheese Plant, Philodendron Squamiferum: A Hairy Houseplant, Philodendron Atabapoense: Long-leafed Houseplant, Peperomia Prostrata: The Turtle-leaf Succulent, Philodendron White Knight: Rare Variegated Plant, Rhaphidophora Decursiva: The Giant Climber, Baldsmith Japanese Maple: The Color Changing Tree, Peperomia Rosso: Low Maintenance Indoor Plant, Magnolia Flower Meaning – Magnolia Meanings, Hoya Callistophylla: The Stiff Leafed Hoya, Begonia Thelmae: Evergreen Flowering Plant, Hoya Krimson Queen – The Variegated Carnosa Variety, Calathea Freddie: Concinna Freddie Prayer Plants, Thuja Plicata Virescens: Everything You Need to Know, Anthurium Clarinervium: An Essential Indoor Plant, Peperomia Piccolo Banda: Best Indoor Plant. The appearance in fall is prettiest of all other varieties of the Zelkova. Problems. Zelkova serrata 'Green Vase' A fast-growing, medium-sized, deciduous tree. The soil preference during the growth phase is deeply moist and well-drained soil. Even with its limited height the branching begins high enough up the trunk to allow people and equipment to pass easily underneath. The Typical growing pattern gives it a popular name as the “Single-Stem Zelkova”. and a spread of 36ft.. Green leaves turn yellow, copper, orange or deep red to purplish-red in fall, putting on a showy display. The green summer foliage turns into shades of bronze in autumn. The Wireless Zelkova is one such tree which became famous due to its suitability for urban societies. Such insects suck juices from the twigs and deposit "honeydew", essentially bug poop, on the leaves. Bark is smooth and gray in youth, and reveals a rusty-brown color with age. Zelkova serrata 'Schmidtlow' – Single-stem Wireless Zelkova. The crown is shorter and more rounded than the American elm. Once you’re prepared to make an informed decision for your particular needs, select … Selecting Trees Read More » Spring View. Website address: //bygl.osu.edu/index.php/node/1022 Thanks go to Jean for setting the record straight! It is very difficult from your one small photo to see the actual twig damage that is occurring.The phytophera stem-rot usually forms cankers on the twigs or branches and actually kills a section of the branch or twig tissue, which then causes the rest of the twig to die.It usually does not affect the leaves, however. The Wireless Zelkova Trees are tough and pretty resistant to the most common diseases of the trees. Japanese Zelkova Tree Facts. There are two likely culprits that could be affecting your zelkova tree: a phytophera disease organism or a wooly elm aphid. The beautiful round leafed Pilea peperomioides are a popular choice for an ornamental indoor plant. 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 (Japanese zelkova, Japanese elm or keyaki; Japanese: 欅 (ケヤキ) keyaki /槻 (ツキ) tsuki; Chinese: 榉树/櫸樹 jǔshù; Korean: 느티나무 neutinamu) is a species of the genus Zelkova native to Japan, Korea, eastern China and Taiwan. The Keakies were introduced to America in the middle of the 18th Century. 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. These trees are native to Japan, China, and Korea and get their common name as Japanese Zelkova. These trees need up to 6 hours of bright sun exposure and the same 6 hours for low sunlight or shady atmosphere. @2020 - Gardening Brain. Zelkova serrata 'Wireless' Sawleaf Zelkova, Japanese Zelkova A smaller tree with a spreading, vase-shaped crown. Google Images of Zelkova bark. These are usually 25 feet tall and 20 feet wide. Common cultivars of Zelkova, are mentioned below along with their main features; This variety is Oval shaped and the leaves turn yellow in the fall. A native of Japan, Taiwan and eastern China, Japanese zelkova wins gardeners’ hearts with its graceful shape, dense foliage and attractive bark. This is the shortest of all other varieties. There are two likely culprits that could be affecting your zelkova tree: a phytophera disease organism or a wooly elm aphid. Oblong, leaves are named for their saw-toothed edges deep red to purplish-red in is! Save my name, email, and northeast China Schmidt low, low! 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