Tree of the year: Zelkova. Zelkova is often listed as a replacement for American Elm since it has roughly the same vase shape and grows 70 to 80 feet tall with a 50 to 60-foot spread. How you water your bonsai is an art in itself. Dirr, Michael A. Manual of Woody Landscape Plants: Their Identification, Ornamental Characteristics, Culture, Propagation and Uses. A fertilizer rich in potassium and nitrogen encourages new vegetation and floral buds. Any closer and the roots of the trees might compete too much for soil space as the trees get older. To help alleviate girdling roots, a certified arborist will use a special tool with compressed air to excavate the soil without damaging the tree. MUSASHINO JAPANESE ZELKOVA, MUSASHINO SAWLEAF ZELKOVA. Drought tolerant and fairly tolerant of urban sites once established. Print. 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. It develops flowers in spring with the leaves. City Sprite® Japanese zelkova (Zelkova serrata 'JFS-KW1'):  Oval to vase-shaped; 25 feet high by 18 feet wide; yellow fall color.Green Vase Japanese Zelkova (Zelkova serrata 'Green Vase'):  This cultivar has a a more narrow vase shape than the species.  Foliage is dark green in summer, changing to a mix of orange, bronze and red.  As a young tree it shows a faster rate of growth.  Good winter hardiness. A good rule of thumb is to start at about 8 to 10 feet away from your home for small trees and scale up to account for the tree’s mature height and spread. Genus Zelkova are large deciduous trees or shrubs with neatly serrate, ovate leaves and inconspicuous flowers and fruit; good autumn colour Details Z. serrata is a spreading medium-sized deciduous tree with smooth grey bark and neatly toothed, lance-shaped leaves turning orange and yellow in autumn. Tree Characteristics. In winter keep the rootball … The branching often begins near the ground. Grayish-brown with numerous lenticels.  With age, the bark becomes more mottled in color and exfoliates (peels) slightly. [3][4] It is often grown as an ornamental tree, both in its native area and in Europe and North America. Native to Eastern Asia. Narrow heart-shaped leaves, fine pointed with slender-tipped teeth. It is reportedly risky to transplant in the fall. Use up and down arrow keys to explore within a submenu. The twigs are slender with small, dark conical buds in a zigzag pattern. The leaves themselves are simple and ovate to oblong-ovate with serrated or crenate margins, to which the tree owes its specific epithet serrata. (see second link, first page) For a Zelkova tree that reaches a height of 60-80 feet, (see first link) that could mean a root … When planted where happy, the Green Vase Zelkova grows very quickly so it shouldn't take too long...maybe a few years to start getting a good privacy buffer. Explore this online platform for Chicago-area residents to share their favorite stories about trees. The bright green, pointed leaves have attractive toothed edges. Gently loosen the tree roots and place into the planting hole. This plant has some cultivated varieties. The roots are lifting the sidewalk up so badly that this she can't even use her driveway. Noteworthy Characteristics. Print. Pruning Zelkova Trees. They are green to dark green in spring and throughout the summer, changing to yellows, oranges and reds in autumn. The crown has a spread of 25 to 40 feet, casting a wide circle of shade over your home or lawn. Sometimes it is needed for the roots to take a trip great distances to do so. There are two varieties, Zelkova serrata var. Said to be more heat tolerant than other Zelkova varieties. Tree growth is rapid when young, then slows to a medium rate. It is often grown as an ornamental tree, and used in bonsai. 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. It … Tree: Wireless Zelkova Read More » Janet, a founding member of Bay Island Bonsai, the author of suisekiart.com, and a longtime friend, sent me some photos of a recent layer project that unfolded over the past year.She had a zelkova with poor roots but enough potential to warrant an air layer. Wireless® Japanese zelkova (Zelkova serrata 'Schmidtlow'): Broadly spreading vase shape (24 feet high by 36 feet wide); red fall color. It is found in small numbers and is classified as Vulnerable on the IUCN red list of endangered species.. After all, the wide-root oak tree that’s 70 feet tall needs much more room than the modest Japanese maple. In 1951 this tree was felled and soon after the family died out. serrata in Japan and mainland eastern Asia, and Zelkova serrata var. Wireless Zelkova Zelkova serrata ‘Schmidtlow’ Back to Tree Choices Description This spreading tree shades a wide area like a house wall or patio, but does not get very tall. From top level menus, use escape to exit the menu. Champaign: Stipes Publishing Company, 1975. Good shade tree for lawn or park. However, roots on a deeply planted tree will grow vertically toward the surface searching for oxygen. 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