Neutral. They are an excellent substitute. You will want to keep your Japanese zelkova from becoming damaged, especially in areas where there's a chance of icing, as this can cause more significant issues down the road. It grows at a fast rate, and under ideal conditions can be expected to live for 70 years or more. Find Out Today, Can An Avocado Tree Grow In A Pot (yes + How To). Features ovate to oblong-ovate dark green leaves with serrated margins and a slightly rough texture that are 1 2" long. They are a dark green color in summer. Japanese zelkovas require no regular supplemental fertilizer. The leaves are bright green in the spring, dark, lustrous green in the summertime and deep red in the fall. It can provide a beautiful shady spot of dense ovate green leaves which evolve into a dazzling fall color show of purplish or reddish foliage. It assumes a neat, pyramid-like shape and bright green leaves that transform into red brown or orange brown when fall comes around. A Compact Street Tree With Deep Red Fall Color. It grows in zones 4 through 9 and can reach up to 70 feet in height. Turns into high-quality, durable, strong timber that is used for furniture and construction. Wonderful Street Tree. Take a look around your neighborhood and youll see that some trees have thrived over the years, while others struggle to take root. Japanese zelkova is closely related to the elm but is resistant to Dutch elm disease (DED). Find Green Vase Zelkova (Zelkova serrata 'Green Vase') in Salt Lake City, Utah (UT) at Millcreek Gardens (Japanese Zelkova) Your Favorite Garden Center Since 1955 (801) 487-4131; 3500 South 900 East, Salt Lake City, UT 84106; Plants. [citation needed], The tree is prone to fungus Griphosphaerioma zelkovicola which was first observed in Japan on the bark of Zelkova serrata trees in 2003. It has no significant negative characteristics. Millcreek Gardens, Salt Lake Citys favorite garden center since 1955, is stocked with a wide range of affordable, fast-growing shade trees. It has a high canopy with a typical clearance of 6 feet from the ground, and should not be planted underneath power lines. The flowers are yellow-green, not showy, and occur in tight groups along new stems. . Meet the requirements and youll be treated to a lush foliage, aromatic stems and vibrant, tulip-shaped blooms with green-yellow petals and a tinge of orange near the flowers base. [citation needed], In Korea, Zelkova serrata has been considered a symbol of protection for villages since ancient times, and can still be found planted at central points in cities, towns and villages around the country. . Green Vase Zelkova is primarily valued in the landscape for its cascading habit of growth. We Now Offer Curbside Pickup Learn More Dismiss. Mostly grown for its large size and reddish-purple fall leaf color and colorful bark Mature Height x Spread. According to data investigated by Korea Forest Service in 1989, the largest number of trees over 500 years old were specimens of Zelkova serrata, among which more than ten have been registered as Natural Monuments of Korea. Large. Zelkova serrata (Japanese zelkova, Japanese elm,[2] keyaki, or keaki; Japanese: () keyaki / () tsuki; Chinese: / jsh; Korean: neutinamu) is a species of the genus Zelkova native to Japan, Korea, eastern China and Taiwan. It can provide a beautiful shady spot of dense ovate green leaves which evolve into a dazzling fall color show of purplish or reddish foliage. [12], Zelkova serrata is planted as a lawn or park tree for its attractive bark, leaf color and vase shape. They are dark green in summer with yellow, orange, or reddish-purple fall color. This variety is tailored for tight spaces, with densely upswept branching; interesting peeling bark and reliable fall color; low maintenance and trouble-free, an excellent choice for street plantings or smaller areas. Wonderful Street Tree. They are ovate, 1 1/2 to 2 inches long, with rounded bases and long-pointed tips. The Japanese Zelkova is susceptible to a number of issues, including twig and leaf die-back caused by a lack of cold tolerance, which may happen in colder climates. [16], Within the United Kingdom, the Royal Horticultural Society's Plantfinder currently lists 38 suppliers for the pure species and associated varieties. The branches are usually glabrous. Musashino Zelkova is a deciduous tree with a narrowly upright and columnar growth habit. Even though theyve barely started to bud, the time to plant a tree is now. [5] They diverge at a 45 degree angle from the stem. The tree can be pruned and trained as a bonsai, and it naturally assumes a vase shape. Fall color is yellow. It does well in full sun. By continuing to use this site you accept our. For attractive, fast-growing shade trees, hybrid poplars are at the top of the list. The tree can experience Phytophthora stem and collar (the swollen area around the base of a branch and trunk) rot disease. Trim when new growth is fully extended but not hardened. Drought tolerant and fairly tolerant of urban sites once established. Pruning should be done in fall, and Japanese zelkova will require some pruning to develop a strong structure. Dawn Redwood is a deciduous tree and grows up to a hundred feet and a 25 foot spread. Just the Facts, Actaea Simplex Brunette: Growth and Care Guide. Average growing rate. Heres where to get the guidance you need, Make a Bright Spring Risotto With Authentic Italian Flair, Want to navigate relationships easier? A habit the species has is the tendency to grow multiple leaders while having very fragile wood. No, the Japanese zelkova tree is not invasive. Common. In general, zelkova trees do produce drupes, but they are small and inconspicuous, even when they drop. To establish the tree, give it a good thorough soaking weekly for the first season to the point of ground saturation. Should I try a Japanese or stick with green vase? Buy Big Trees Shipped To Your Home! Sugar Cane vs. Bamboo: Which is Right for Your Garden? Les Engles achieved Master Gardener through theCamden County Extension of the Rutgers Master Gardeners Program. Youll want to put it in its ideal condition, which is full sunlight. Fast Growing With A Dense And Compact Head. The staminate flowers are shortly pedicellate and approximately 3mm in diameter, clustered in the axils of the lower leaves. For example, the sawleaf zelkova is popular because it only sheds its smallish leaves in autumn. Japanese Tree Lilacs are best planted near the house, or specifically a window so its fragrance and flowers come in and delight the senses. full sun, part sun . They appear to be very slow growing. All Rights Reserved. It is native to Japan, Taiwan and eastern China. Mature size and shape: As for soil its very forgiving and can live even in compacted medium. As the tree matures, the bark peels to expose orange patches. Utah State University sites use cookies. Take these steps: Zelkova trees are susceptible to aphids that will attack the tree in the spring. Many branches come out of the trunk at one point and can be crowded. She shares how to put the pep back into your step this spring. Planting Instructions Planting Bare-root Trees Customers who bought this item also bought Regular Price Northern Red Oak Starting at Regular Price Bur Oak Pin Oak Mulberry trees are mid-sized plants and thrive where theres full sunlight. The first cultivation outside of Asia was by Philipp Franz von Siebold, who introduced it to the Netherlands in 1830. [13] In the UK it has gained the Royal Horticultural Society's Award of Garden Merit.[14]. Test your soil to establish the best type of amendments to handle any soil deficiencies that may be occurring. We want to see the trunk flare just above the soil line. It has a wide vase shape, upright branching, and a noticeable curve of its tree trunk rather than growing straight. Good substitute for American Elm. Young trees are susceptible to frost so transplanting should be done in the spring. As shade trees go, Japanese zelkova is one that is . Buds are ovoid, acutish, with many imbricate, dark brown scales. These trees can reach about 50 to 80 feet (15 to 24 m) in height and have a similar spread. Numerous cultivars have been selected, including: It has also hybridised with Zelkova carpinifolia in Europe, the hybrid being named Zelkova verschaffeltii.[4]. Leaves vary from 1 to 4 inches long by about 1 to 2 inches wide, and are oval shape with a sharp pointed tip. This tree should only be grown in full sunlight. Musashino Zelkova is primarily valued in the landscape for its rigidly columnar form. The fall colors these trees display is intense, with leaves turning yellow, orange, deep red or purplish-red. If you want a versatile and compact tree in your yard or garden, then crabapples are a must. Its relatively fine texture sets it apart from other landscape plants with less refined foliage. Oval to vase-shaped cultivar growing 25 feet high by 18 feet wide with yellow fall color. The Japanese zelkova is relatively cold hardy and can thrive in most temperate regions of the United States. Give us a call or fill out the form for more information. The fall colorsthese treesdisplay is intense, with leaves turning yellow, orange, deep red or purplish-red. Attract pollinators and grow blooms with this spring activity, Short Hair Updos: 5 casual styles for the on-the-go-woman, Been in an accident? The Japanese zelkova thrives in full sun to partial shade. Here's what to do when you take a cutting in the spring or early summer: Growing this tree from seed can be achieved, but it requires a lot of patience. The Japanese zelkova (Zelkova serrata) is a native of East Asia that has been in use in ornamental horticulture in the west since the 19th century. This is a selected variety of a species not originally from North America. Japanese Zelcova (Zelkova serrata) . The bark is grayish white to grayish brown and either smooth with lenticels or exfoliating in patches to reveal orange inner bark. It has a spreading, generally upright branching, vase-shaped habit. : Help Your Plant Bloom, How Long Does It Take Clover to Bloom? Bark/Twigs: This procedure can help you feel more confident, Unique Utah Adventures: 6 excursions you wont find anywhere else, Homemade Drop Biscuits with Sweet Strawberry Freezer Jam. Good winter hardiness and reddish fall color. With a sterile cutting tool, take a new branch that is 4 to 6 inches long. Often needs structural pruning when young to reduce branch crowding. serrata in Japan and mainland eastern Asia, and Zelkova serrata var. KSL's public inspection files, including the Children's Television Programming Reports and the DTV Quarterly Activity Station Report, are available for viewing during regular office hours at the KSL Broadcast House. Deciduous. The tree west of the William Stewart Building (Bld 6) is on the Utah Big Tree Registry. 50 to 80 feet high x 40 to 50 feet wide. Native to Japan and parts of Asia. Water is precious resource for us, so trees that do well in arid conditions will have the best chance at thriving, says Sheriden. It is somewhat tolerant of urban pollution. I want to plant another tree in my front yard, which has sandy soil. Yellow fall color. The sunnier the location, the better the fall colors will be. Your support is vital to the Arboretum, where the power of trees makes a positive impact on peoples lives. These trees are native to Japan, China, and Korea and get their common name as Japanese Zelkova. The tree can be pruned and trained as a bonsai, and it naturally assumes a vase shape. It will tolerate a wide range of soil pH values (3.7 - 7.0) as well as pollution and wind. Japanese zelkova. They assume a rounded and orderly form with very little pruning or maintenance required. Tree of the year: Zelkova. It grows 25-50 feet tall in maturity with a vase-like canopy reaching 25-30 feet wide. [5], It has alternately arranged leaves growing to 5cm long and broad. Even in a drought trees are worth planting because they add shade, add landscape interest, purify the air, add privacy, and reduce air temperature. 3500 South 900 East, Salt Lake City, UT 84106. Wireless Zelkova | Bower & Branch Plant Wireless Zelkova Trees! Good street tree; tolerates urban conditions. Leaves may cling to tree most of the winter. The Japanese zelkova, is a deciduous tree that typically grows to a height of around 30m. The primary concern that Japanese zelkova presents is how easily it breaks. Understand these 5 universal truths, Jumpstart your summer! A very adaptable tree, the Japanese zelkova will tolerate clay, loam, and sand, providing the soil is well-draining. This species demands at least six hours of direct sunlight and a constantly moist soil to look its best. Foliage is dark green in summer, changing to a mix of orange, bronze, and red. [4] Recently, it has been planted as a "street tree" in New York City. ' Village Green' is a more vigorous selection of this species with a straight trunk and dark green leaves that turn red in fall. This is a relatively low maintenance tree, and is best pruned in late winter once the threat of extreme cold has passed. Crabapples grow in zones 4 to 9 and have green foliage, with bronze, red and purple tones depending on the variety. Yearly growth rate is 13''-24 . It grows at a fast rate, and under ideal conditions can be expected to live for 70 years or more. Drought tolerant and fairly tolerant of urban sites once established. The Japanese Zelkova, normally a vase-shaped shade tree, belongs to the Elm family and has been considered a good substitute for the American Elm since the arrival of Dutch Elm disease, as it is resistant to the fungus. Other Names: Japanese Zelkova Description: This variety is tailored for tight spaces, with densely upswept branching; interesting peeling bark and reliable fall color; low maintenance and trouble-free, an excellent choice for street plantings or smaller areas Ornamental Features It all comes down to the type of tree you plant. [9] In 2013, the Korea Forest Research Institute announced a project to clone the zelkova, pine, and ginkgo trees that are identified as natural monuments, so their lineage will not be lost in case of disaster or death due to age. Bark is mostly smooth when young, but covered in interesting, horizontal raised bumps called lenticels. Give us a call or fill out the form for more information. Develops a peeling bark in old age, exposing orange patches of inner bark. The pistillate flowers are solitary or few in axils of the upper leaves, sessile and usually about 1.5mm in diameter. Utah gardeners choose the Japanese Zelkova because its tough, dependable and grows well in the native climate. This tree has interesting bark, clean serrated foliage, and good fall color. 3 organizing projects that couldnt be simpler, Curate your travel mementos! A member of the Elm family which has been promoted as a replacement to American Elms because of its high degree of resistance to Dutch Elm Disease. As the tree ages, the outer bark is gray-brown and often exfoliating exposing an orangish inner bark. Accessed on October 9, 2013, " ( ): - ", " ( ): - ", "Ancient trees to be cloned: Korea.net: The official website of the Republic of Korea", https://en.wikipedia.org/w/index.php?title=Zelkova_serrata&oldid=1147225930, "Noma Keyaki", a 1,000-year-old keyaki in, 'Village Green' (grows more rapidly than ordinary seedlings and develops a straight smooth trunk. Andrews, S. (1994). There are several popular cultivars of Japanese zelkova meant to fit into smaller or larger spaces to accommodate the tree's spread. It forms a strong trunk with many branches rising from its top, forming an upright vase shape and growing to 45 feet tall within 20 years or so. Its massive spread makes it a good shade tree, and . Common name: Japanese Zelkova Saw-leaf Zelkova Pronunciation: zel-KO-va ser-RA-ta Family: Ulmaceae Genus: Zelkova Type: Broadleaf Native to (or naturalized in) Oregon: No Broadleaf deciduous tree, 50-60 (80) ft [15-18 (24) m], vase-shaped, low branched. Trees often come from the nursery already planted too deep, so pull back the soil so that you see the root flare sitting above the soil line. Normally disease-free as it resists Dutch Elm disease, Elm leaf beetle and Japanese beetles. The tree will have a medium growth rate of 1 to 2 feet annually. In good conditions, it can reach a height of 40-60'. It does need well drained soil and moderate fertility in order to do well. Tulip tree is a vigorous grower and well-suited to the regions environment. 1795 EAST SOUTH CAMPUS DRIVESALT LAKE CITY, UT 84112801-581-7221, Facilities Management Review Committee (FMRC). Footnotes. View Map. Native to Japan, Korea, Taiwan and Manchuria, the Japanese zelkova was introduced in America in 1862. Full sun is the ideal condition for this tree, meaning it should get at least six hours of direct, unfiltered sunlight each day. Learn how The Morton Arboretum is ensuring the future of trees through leading-edge science and conservation. Pest and disease resistant. Frontier Elm trees can boost the curb appeal of any property, as the wide-spreading branching offers gorgeous seasonal color. Place the cutting into a pot with moist potting soil. Original . This tree also goes by the common name Keaki. Today wewilltake a look at some of the most popular varieties that are well-suited to the growing conditions in the greater Salt Lake City area and along the Wasatch Front. Its relatively fine texture sets it apart from other landscape plants with less refined foliage. We Now Offer Curbside Pickup Learn More Dismiss. Remove any branches at a branch intersection. Juniper and arbor vitae - Late spring to early summer. It is resistant to Dutch elm disease with good resistance to elm leaf beetle and Japanese beetle. Below is a list of common landscape trees and when to prune them, primarily taken from the American Horticultural Societys Pruning and Training book. With an attractive, vase-shaped form and an oval crown that increases in height by up two feet per year, the Japanese zelkova is a beautiful option for urban and rural landscapes. Zelkova is closely related to elms, but it is resistant to Dutch elm disease. Give us a call or fill out the form for more information. Expand. He is an arboretum curator with over 30 years of experience. These beauties work wellas visual screens and, with an annualvertical growthcapacityof up to 8 feet, they provide a quick route to a shady landscape. Zelkova (All Varieties) Any variety of Zelkova will be a great addition to your Utah yard. A fertilizer rich in potassium and nitrogen encourages new vegetation and floral buds. It is not particular as to soil type or pH. If you are putting a few cuttings into one pot, space them about 1 inch apart. A medium-sized tree that can grow up to 60 feet and have a spread of 25 feet in its mature stage, the Bald Cypress grows in zones 4 to 10 and thrives where theres all-day sunlight. Heres how to put some pep in your step, Seed bomb your yard! Fall color is yellow-orange, deep bronze to rich maroon, sometimes brownish. Plant City Sprite Japanese Zelkova! Know Before You Go: Important information and helpful hints for your next visit, Japanese zelkova is closely related to the elm but is resistant to, City parkway, Residential and parks, Restricted sites, Wide median, Full sun (6 hrs direct light daily), Partial sun / shade (4-6 hrs light daily), Zone 5 (Northern Illinois), Zone 6 (City of Chicago), Zone 7, Zone 8, Alkaline soil, Clay soil, Dry sites, Occasional drought, Road salt, are possible. However, you should observe a respectable distance and space for its 20-foot spread. Zelkova serratais a medium-sized deciduoustree usually growing to 30 m (98 ft) tall. Japan, Korea, Taiwan, Manchuria. Tolerates wind, drought and air pollution. Should be transplanted in the spring, as young trees are susceptible to frost. . It has a high canopy with a typical clearance of 6 feet from the ground, and should not be planted underneath power lines. Water conserving: This is going to be the big story with landscapes in the coming years. This tree requires full to partial sun and prefers moist, well-drained soils. It can take both drought and rainy seasons well and tolerates a humid or wet condition. The seeds germinate without pretreatment, though the percentage is better when stratified at 5C (41F) for 60 days. On Jan 4, 2005, smiln32 from Oklahoma City, OK (Zone 7a) wrote: Yields small, kidney bean-shaped drupes that measure around " in diameter and ripen in the fall. Growing the tree is easy once you plant it in full sun and water well while its young. You may need to water every other day to every three days as the tree starts to establish. . Repot to larger pots until they can be planted in a permanent spot. Ulmaceae Elm. Maple - In the winter when fully dormant. It has forest green deciduous foliage. Flowers/Fruit: We have a few good recommendations for you. This is especially true for shrubs. Aspens. The friendly Millcreek Gardens staff would love to help you select the perfect, fast-growing shade trees to bring beauty and privacy to yourNorthern Utah property. native to Japan; zone 5; Habit and Form. [3][4] It is often grown as an ornamental tree, both in its native area and in Europe and North America. This tree also goes by the common name Keaki. Spread is generally less than height. Japanese Zelkova (Zelkova serrata) photograph by Cliff. [10], The threats to this tree include colder temperature, which often result in twig dieback. Photo by The University of Utah. It is characterized by a short trunk dividing into many upright and erect spreading stems forming a broad, round-topped head. Make sure if the tree is grafted that the graft union is above the soil line. Mimosas grow up to 20 feet and require full sunlight to reach its maximum potential. The Arboretum offers something for everyone in an unforgettable, tree-filled setting. 16: 86. Add in the fast growth rate of one to two feet per year, and its easy to see why the Frontier Elm is a popular choice. Dark Green Leaves Turn Orange-Yellow In Fall! For several Japanese ships, see, For another plant called "Japanese elm", see. This is a selected variety of a species not originally from North America. All Rights Reserved. Bald Cypress is well-adapted to any soil condition, including loamy or the sandy variety. 3. Attractive steel-gray bark exfoliates to expose orange shading beneath. [7] The trees often stand next to small pavilions, serving both as shaded informal gathering points, and spaces for traditional rituals and ceremonies involving prayer and offerings to the tree. [5] It is noted for its graceful shape, clean foliage, attractive bark and resistance to Dutch elm disease. [11] Zelkova serrata also shows good resistance to elm leaf beetle and Japanese beetle. 'Green Vase' Japanese Zelkova1 Edward F. Gilman and Dennis G. Watson2 INTRODUCTION 'Green Vase' somewhat resembles the vase shape of American Elms, is more upright in habit and tolerant of pollution, makes a great city street tree and produces a taller and narrower tree than 'Village Green . Aspens may be Utah's new state tree, but they are one of the worst trees you can plant in your home landscape if you live in the valleys. Drought and wind tolerant. Hedges can be trimmed until late July to maintain their shape. Provides fall color in shades of yellow, orange, brown, deep red and reddish-purple. It is adaptable and tolerant of heat, little water, nutrient-poor soils and various pH. It tolerates urban conditions well and can be used as a street tree. The Japanese Zelkovagrows to a height of 5080' and a spread of around 5075' at maturity. It typically has a short trunk followed by many erect branches that continue upwards to create a round-topped head. Now is the time to put the yard to bed for winter and rake leaves, shut down the sprinkling system and cut back perennials. Planting uses for zelkova include lawn, shade, and street tree, parking lot island, buffer strip, and bonsai. It is somewhat tolerant of urban pollution. Is your Utah landscape in need of some trees? Then sow the seeds (and any that have already germinated) into pots filled with garden soil about 1/4 inch deep. This tree grows in a wide range of soil textures, acidic to slightly alkaline, moist to dry. Youll want to put it where it gets full sunlight throughout the day and with regular watering. There are a six species of zelkova. The zelkova requires pruning to develop its structure, which will help avoid breakage. Garden Center Calendar: March Gardening Tasks, 3500 South 900 East, Salt Lake City, UT 84106, Top Low-Light Indoor Plants: Snake, ZZ, Devils Ivy, Planting SLC Tulips or Daffodils in Containers, Caring for Primrose Plants in an Indoor Setting, Gardening Health Benefits: Eating Well, Strength, Creativity. Make sure you plant at the correct height. Japanese Zelkova grows in zones 5 to 8 and reaches around 50 feet in height. The two most popular varieties are Green Vase and Village Green. Branches tend to arch with age. It has been cultivated there for centuries where the wood is used for furniture and drums. It is now a major street tree in New York City, because of its hardiness and trouble-free nature. Tough And Hardy Tree, Perfect Under Power Lines. Habitat. One positive aspect of the Japanese zelkova, and a reason it makes a terrific street tree, is that it tolerates drought very well and does not need much supplemental watering after it has been planted. They are a dark green color in summer. Vase-shaped. The leaves are acuminate or apiculate, rounded or subcordate at the base, and contain 814 pairs of veins. A close relative of the elm, a tall, upright shade tree with a vase-shaped habit, interesting peeling bark and reliable fall color; low maintenance and trouble-free, an excellent choice for street plantings or larger landscapes. [4], Zelkova serrata is a medium-sized deciduous tree usually growing to 30m (98ft) tall. Propagate a Japanese zelkova by seeds or plant cuttings. While in the nursery, it is essential to select atree that has a single leader. Once established you wont need to do anything else except for occasional watering when the weather gets hot and dry. Average maintenance. 2020 ksl.com | KSL Broadcasting Salt Lake City UT, What jelly bean is best? Having multiple leaders is a genetic weakness in the species that is somewhat solved in some available cultivars but not in the wild type. Manual of Cultivated Trees and Shrubs. It becomes more mottled in color and exfoliates (peels) slightly with age. A beautiful tree to have in your Utah home, with the only downside is that its relatively short-lived. Seeds should take a couple of months to germinate. Japanese Zelkova is a tough urban tree for residential shade and street plantings. Plant City Sprite Japanese Zelkova! Good shade tree with spreading branches. The japanese zelkova can be expected to grow in Hardiness Zones 58. Zelkova serrata is monoecious. As a young tree it shows a faster rate of growth. A million members, donors, and partners support our programs to make our world greener and healthier. Young 'Green Vase' Japanese Zelkova. The tree is a symbol of a number of Japanese cities and prefectures: Saitama Prefecture, Miyagi Prefecture, Fukushima Prefecture, Fukushima-shi, Abiko-shi, Tachikawa-shi, Yokohama-shi, Machida City in Tokyo Metropolis District, Takatsuki City and more. Medium green leaves turn to shades of yellow, orange, brown, deep red to reddish-purple in fall. Zelkova serrata is similar in appearance to the elms, though may be distinguished by its unwinged fruit and leaves which are symmetrical rather than uneven at their base. Japanese Zelkova grows in zones 5 to 8 and reaches around 50 feet in height. If the tree is not performing well, it might be wise to amend the soil to provide a bit of a boost. But no tree will truly match the grace and elegance of the American Elm. Lee, chang-bok (1989). JAPANESE ZELKOVA BOTANICAL NAME: Zelkova serrata MAX HEIGHT: 50-80' AVERAGE SPREAD: 40-50' FOLIAGE DESCRIPTION: alternate, simple, oblong-ovate, 1 1/4-2 inches long, sharply serrated, dark green BARK DESCRIPTION: smooth grey, resembles chinese elm but not as exfoliating FLOWERING: inconspicuous FRUIT: small kidney bean shaped (1/4 inches across), 1. A cultivar with a wider habit, reaching 40 feet in width. While aspens thrive at their natural elevation (above 6500 ft.), they suffer from a long list of diseases and insect infestations when planted below their usual elevation. Landscape use and maintenance: Zelkova is also used for bonsai. Scale insects are another issue for zelkovas. Instead, prune hedges and summer blooming bushes (rose of Sharon, butterfly bush, blue mist spirea and others) as the snow melts off in early spring. [5] Because germination requires stratification, the seed is best sown early in the year. Large specimens can be found in the grass area west of William Stewart Building (Bld 6) or along south side of Student Services Building (Bld 40). Displays showy fall mix of yellow, rust, bronze, dark red and purple. Family/Origin: Growing a Japanese zelkova as a specimen, shade tree, or street tree is a good idea if the right tree is chosen and cared for properly. The drupe is green maturing to brown, subsessile and 2.5 to 3.5mm (332 to 18in) in diameter. The deciduous conifer produces globe-shaped cones, lush green leaves and assumes a pyramid shape thats pleasing to the eye in a strategic landscape. Japanese Zelkova is large vase-shaped tree with a dense canopy and attractive brown, exfoliating bark.