Invasive and Exotic Species. It is also frequently confused with the more distantly related Acer saccharum (sugar maple). Like other maples, Norway maple can be tapped for its syrup. Identified in winter by: individual buds that are green and red. Norway Maples losing bark on trunks and some branches and having some dead branches . An introduction grown mainly for ornament, especially for its autumn colours, but widely naturalised. The Norway… Similar to many such plants, its invasive tendencies didn’t become noticed until much later. Unlike most other maples, this one does not develop shaggy bark at maturity. It typically produces a large quantity of viable seeds. Native geographic location and habitat. Many cultivars have been selected for distinctive leaf shapes or colorations, such as the dark purple of 'Crimson King' and 'Schwedleri', the variegated leaves of 'Drummondii', the light green of 'Emerald Queen', and the deeply divided, feathery leaves of 'Dissectum' and 'Lorbergii'. In North America, it is planted as a street and shade tree as far north as Anchorage, Alaska. Has yellow fall foliage. Norway maple is a deciduous broadleaf tree and can grow to 25m. It is one of the few introduced species that can successfully invade and colonize a virgin forest. How to identify Norway maple. There is much confusion online as to whether you can tap them for maple syrup. Seedling with cotyledons. [11][19] The cultivars 'Crimson King'[20] and Princeton Gold='Prigold'[21] have gained the Royal Horticultural Society's Award of Garden Merit. Fruit is a double samara, at obtuse angle. It is widely planted as an ornamental tree in parks and gardens. A rose colored dye can be obtained from the bark. We have single trees and tree packs to meet your needs, from wildlife to woodfuel. Norway maple timber is similar to that of sycamore, being hard, strong and pale cream in colour. The heavy seed crop and high germination rate contributes to its invasiveness in North America, where it forms dense monotypic stands that choke out native vegetation. These fungus are the most common maple bark diseases. Hardiness: Maples vary in hardiness. Other Important Facts: The Red Maple is found mostly in Pennsylvania. Norway maple seedling with first true leaves. [31], Species of flowering plant in the soapberry family Sapindaceae. Norway maple was introduced to North America in … When selecting a maple tree, be sure to select a species suited The autumn colour is usually yellow, occasionally orange-red.[6][7][8]. This species as grown in the former Yugoslavia is also called Bosnian Maple, and is probably the Maple used by the famous Italian violin makers, Stradivari and Guarneri. [30] Aceria pseudoplatani is an acarine mite that causes a 'felt gall', found on the underside of leaves of both sycamores (Acer pseudoplatanus) and Norway maples. However, it can occasionally yield some nice wood.February 17, 2012. Norway Maples commonly line urban streets, although they're considered invasive. Learn more about the pests and diseases threatening our trees. They are usually dark green in colour, fading to yellow and occasionally red before falling in autumn. [9] Norway maples often cause significant damage and cleanup costs for municipalities and homeowners when branches break off in storms as it does not have strong wood. Nectria galligena canker – This maple bark disease will attack the tree while it is dormant and will kill healthy bark. As the tree trunks increase in diameter, the bark matures with ridges gaining thickness and the … Introduced in the 17th century, the handsome Norway maple is known for its hardy timber. [29] "Tar spots" caused by Rhytisma acerinum infection are common but largely harmless. [16] During the 1950s–60s it became popular as a street tree due to the large-scale loss of American elms from Dutch elm disease. The Woodland Trust is a charity registered in England and Wales (No. Images © protected Woodland Trust. The tips of the points on the leaves are more rounded. Introduced Species Summary Project: Norway maple (Acer platanoides). Norway maple is the most prevalent maple in Europe, occurring from Norway to Iran. Both are losing bark & have branches dying from the top & south side. The bark is grey with fine ridges, and the twigs are slender and brown with tiny white spots. Mature bark appear 'shaggy'. Appearance. Cultivars can be purple. Planting of Norway maple is prohibited in . If it is gray-black and lightly ridged and furrowed, the tree may be the popular Norway maple, but might also be a red maple. [27] The State of New York has classified it as an invasive plant species. There are many kinds of maple tree diseases, but the ones that people are most commonly concerned with affect the trunk and bark of maple trees. Norway Maples losing bark on trunks and some branches and having some dead branches . Columbia University. Bark color and texture Bark is gray and fairly tightly ridged and furrowed. The shoots are green at first, soon becoming pale brown. All are upright, columnar forms 10' to 20' wide and 40' to 60' tall. The wood is hard, yellowish-white to pale reddish, with the heartwood not distinct; it is used for furniture and turnery. The flowers emerge in spring before the leaves and last 2-3 weeks. Leaves. Similar in appearance to native sugar maple. Fruit (samara): note the flat seed capsule and the angle of the "wings", The larvae of a number of species of Lepidoptera feed on Norway maple foliage. Opposite. Large deciduous tree, up to 60 feet tall when mature, with a dense canopy. Leaves usually dark green, turn glorious autumnal shades before the fall. Leaves fade to orange and occasionally red before falling in autumn. Generally comprised of a single central trunk with short lateral branches. It can reach heights of up to 100 feet, but is commonly seen at 40 to 60 feet, with a trunk diameter of 1 to 2 feet. [24] As a result of these characteristics, it is considered invasive in some states,[25] and has been banned for sale in New Hampshire[26] and Massachusetts. Depending on the latitude, leaf drop may vary by as much as three weeks, beginning in the second week of October in Scandinavia and the first week of November in southern Europe. Norway Maple. Seedling with cotyledons. Credit: Nigel Cattlin / Alamy Stock Photo. Autumn leaf identification quiz: can you identify these 10 trees? On older trees, bark can appear to be darker and rougher with peeling flakes. Norway maple does not require freezing temperatures for proper growth, however it is adapted to higher latitudes with long summer days and does not perform well when planted south of the 37th parallel, the approximate southern limit of its range in Europe. Norway Maple is frequent in urban areas where it is planted as a street tree or invasive in vacant lots. Q: Over the last couple of years, our Norway and Sunset maples have developed long, vertical splits in the bark. Leaf drop in autumn is initiated when day lengths fall to approximately 10 hours. Paperbark maple trees have smooth, shiny, orange bark that peels off in strips. Leaf shape can … Bark generally more regularly grooved than sugar maple. Look out for: leaf stalks which ooze a milky sap when squeezed. The disorder affects Norway maple (Acer platanoides), red maple (Acer rubrum) and sugar maple (Acer saccharum) varieties. A number of moth caterpillars feed on the leaves of Norway maple. It may be used for a variety of situations, including furniture and turnery. VAT No. Both are losing bark & have branches dying from the top & south side. Norway maple is the most common tree in Toronto, Canada. Leaves of Norway maples usually are broader than they are high, about four to seven inches wide, with five prominent lobes. I have two 15 year old Norway Maples. Yellow or greenish-yellow flowers are approximately 8 mm in diameter and are found in clusters that are present from April to May. Opposite, 5-lobed, coarsely toothed and pointed. Under ideal conditions in its native range, Norway maple may live up to 250 years, but often has a much shorter life expectancy; in North America, for example, sometimes only 60 years. It can be found in the UK as a street tree and is widely planted as an ornamental tree in parks and gardens due to its tall trunk and tolerance of compacted soils, shade and pollution. While the shape and angle of leaf lobes vary somewhat within all maple species, the leaf lobes of Norway maple tend to have a more triangular shape, in contrast to the more squarish lobes often seen on sugar maples. Acer platanoides is a tree that usually grows to 40-60 feet in height, but can reach heights of 100 feet.The bark of the tree is grayish and regularly and shallowly grooved. [5] It is a member of the family Sapindaceae. (All native maples are <90 degrees.) Several different kinds of fungi will cause cankers on a maple tree. (1992). Further, Norway maples are also non-native invasive exotic trees that have escaped the urban environment and is a threat to native maples because of its sun-blocking foliage. Maple trees growing in an urban environment often weaken from urban pollution, construction around the tree and deicing salts. The bark is grey-brown and shallowly grooved. It was planted by the hundreds of thousands across North America and remains, in most areas, the tree most commonly sold in garden centers. Download our free Tree ID app for Android and iPhone to identify the UK's native and non-native trees. The bark of the maple is traversed by small, elongated grooves and has the property not to peel off. Especially when used on streets, it can have insufficient space for its root network and is prone to the roots wrapping around themselves, girdling and killing the tree. droop at a 45° to 90° angle. Norway Maple vs Sycamore Maple. [22] A. platanoides has been shown to inhibit the growth of native saplings as a canopy tree or as a sapling. Norway maple infestation. Registered office: Kempton Way, Grantham, Lincolnshire, NG31 6LL. Norway maple was introduced to the UK in the 17th century. A non-profit-making company limited by guarantee. Other species with ridged, furrowed bark include the hedge maple and ash-leafed maple. Cultivars can be purple. Once pollinated by insects, female flowers develop into winged seeds, known as samaras, which fall in autumn and are spread by wind. It grows north of the Arctic Circle at Tromsø, Norway. Native to Europe. The bark is grey with fine ridges, and the twigs are slender and brown with tiny white spots. How to identify Norway maple. Seedlings first were introduced to this country by the famous nurseryman and explorer John Bartram in 1756. In the spring, the maple tree will regrow a slightly thicker layer of bark over the fungus infected area and then, the following dormant season, the fungus will once again kill back the bark. Norway Maple vs Sugar Maple. By comparison, in its native range, Norway maple is rarely a dominant species and instead occurs mostly as a scattered understory tree.[10][11]. Norway maple produces shallow roots . Its leaves are a favourite with caterpillars and its seeds are eaten by birds and small mammals. This species tends to leaf out earlier in the spring than other maples and forms a broad-rounded crown. Woodland Trust (Enterprises) Limited, registered in England (No. Acer platanoides, commonly known as the Norway maple, is a species of maple native to eastern and central Europe and western Asia, from France east to Russia, north to southern Scandinavia and southeast to northern Iran. From the field maple, the Norway maple is distinguished by its larger leaves with pointed, not blunt, lobes, and from the other species by the presence of one or more teeth on all of the lobes.[10][11]. Acer platanoides is a deciduous tree, growing to 20–30 m (65–100 ft) tall with a trunk up to 1.5 m (5 ft) in diameter, and a broad, rounded crown. Asked May 25, 2017, 10:19 AM EDT. Norway maple as a large shade tree. Birds and small mammals eat the seeds. Bright green flowers grow in clusters of up to 30. The bark is grayish-brown, with regular grooves or furrows. Asked May 25, 2017, 10:19 AM EDT. Stem. Similar native species: Norway maple could be mistaken for sugar maple (A. saccharum), but Norway maple has milky petiole sap, furrowed bark, and reddish-green, rounded buds, whereas sugar maple lacks milky sap, has shaggy bark, and has brown, pointed buds. Norway maple. The fruit is a double samara with two winged seeds. The Woodland Trust and Woodland Trust Nature Detectives logos are registered trademarks. striped maple: low elevation mountain forests: Acer platanoides. (All native maples are <90 degrees.) These two species of maple are sometimes confused. Credit: Our Wild Life Photography / Alamy Stock Photo. The bark of the maple tree is characterized by prominent furrows, the bark can show a light gray to greenish-gray color. Keep in touch with the nature you love without having to leave the house. Anthracnose is a common leaf disease. More about Norway Maples [leave site]» Acer plantanoids Look out for: leaf stalks which ooze a milky sap when squeezed. Seedlings first were introduced to this country by the famous nurseryman and explorer John Bartram in 1756. New Hampshire and Massachusetts. [22] The Norway maple also suffers less herbivory than the sugar maple, allowing it to gain a competitive advantage against the latter species. All are upright, columnar forms 10' to 20' wide and 40' to 60' tall. The immature Norway Maple’s bark is a thin layer in young trees. Below you will find a list of diseases that affect maple trunk and bark. 'Crimson King' - A very popular cultivar that many consider to be overused. Look at and feel the bark, if possible, if the tree is mature. Click on an acronym to view each weed list, or click here for a composite list of Weeds of the U.S. Norway Maple is a large, deciduous tree up to 30 m, more slender than Sycamore, with a straight trunk and grey bark with many small fissures. The bark of a Norway maple is grayish black and furrowed. Sycamore (Acer pseudoplatanus). Acer nigrum black maple: moist riverbottoms: Acer pensylvanicum. As the trees reach about three inches in diameter, a pattern of narrow and shallow longitudinal fissures appear. During the summer, fruits mature into helic… For example, lawn grass (and even weeds) will usually not grow well beneath a Norway maple, but English Ivy, with its minimal rooting needs, may thrive. Flowers. The Norway maple, although largely untested, quickly became the street tree of choice. 1982873. If it is gray-black and lightly ridged and furrowed, the tree may be the popular Norway maple, but might also be a red maple. Unlike some other maples that wait for the soil to warm up, A. platanoides seeds require only three months of exposure to temperatures lower than 4 °C (40 °F) and will sprout in early spring, around the same time that leafout begins. Norway maple was introduced to the UK from its native range of eastern and central Europe in the 17th century. Similar Species: Similar to sugar maple (Acer saccharum). Norway maple is a common urban tree in our watershed. In addition, their roots tend to be quite shallow and thereby they easily out-compete nearby plants for nutrient uptake. It has bright green flowers growing in clusters of up to 30. Credit: M & J Bloomfield / Alamy Stock Photo. Which can fracture pavement and limit the . The bark is grey with fine ridges, and the twigs are slender and brown with tiny white spots. Leafout of Norway Maple is tied to photoperiod and initiated when day lengths reach approximately 13 hours, which is generally in April. Phillips, D. H., & Burdekin, D. A. They all have the same thing in c… SC038885). Delivery is free. The stems and branches release a clear sap when broken. 294344) and in Scotland (No. Once pollinated, its flowers develop into winged seeds known as samaras. It's an A-Z tree guide in your pocket. [citation needed], It is favored due to its tall trunk and tolerance of poor, compacted soils and urban pollution, conditions in which sugar maple has difficulty. [14] In Europe, it is used for furniture, flooring and musical instruments. Norway maple is a deciduous broadleaf tree and can grow to 25m. Opposite. Verticillium wilt (fungus) is a potential serious problem. the seeds are disc-shaped, strongly flattened, 10–15 mm (3⁄8–5⁄8 in) across and 3 mm (1⁄8 in) thick. Branches. It was brought to the Pacific Northwest in the 1870s. Strictly speaking, Norway Maple is its own species, not classified as either Hard Maple or Soft Maple. The sugar maple is easy to differentiate by clear sap in the petiole (leaf stem); Norway maple petioles have white sap. Norway maple seedling with first true leaves. These trees are widely planted in towns and cities. The bark of a Norway maple is grayish black and furrowed. Sooty bark disease caused by Cryptostroma Leaves. But from the perspective of providing food, only about half a dozen of the more than 120 distinct types of maples are really good for making syrup. Flowering and seed production begins at ten years of age, however large quantities of seeds are not produced until the tree is 20. While the shape and angle of leaf lobes vary somewhat within all maple species, the leaf lobes of Norway maple tend to have a more triangular shape, in contrast to the more squarish lobes often seen on sugar maples. However it is not often grown commercially due to problems associated with grey squirrels, which strip the bark.Trees are also planted widely in towns and cities, thanks to their ornamental value and tolerance of shade and pollution. Identified in winter by: individual buds that are green and red. Norway maples have simple, green, and opposite leaves. It is a hearty tree that can grow in small plots, making it a good tree for urban landscapes. The Norway maple was introduced to northeastern North America between 1750 and 1760 as an ornamental shade tree. "Introduced Species Summary Project: Norway maple (, "Introduced Species Summary Project: Norway Maple (Acer platanoides)", "Differences Between Hard Maple and Soft Maple, The Wood Database", "North American Maple Syrup Producers Manual", "Testing the enemy release hypothesis: a comparison of foliar insect herbivory of the exotic Norway maple (, "Interim List of Invasive Plant Species in New York State", European Forest Genetic Resources Programme, https://en.wikipedia.org/w/index.php?title=Acer_platanoides&oldid=992224300, Short description is different from Wikidata, Articles with unsourced statements from March 2016, Articles with unsourced statements from August 2018, Creative Commons Attribution-ShareAlike License, This page was last edited on 4 December 2020, at 04:06. It is vulnerable to bark stripping by grey squirrels, horse chestnut scale insect and horse chestnut leaf miner. [28] Despite these steps, the species is still available and widely used for urban plantings in many areas. Its leaves are palmate with five lobes with a few pointed teeth. Most Red Maples grow to a length of about 50 feet high. Read more about Norway Maple on TreeCanada.ca; Minnesota Department of Natural Resources, Invasive Species. These forms of Norway maple are good choices for street trees. Gray furrowed bark of older tree. ... On older trees, sugar maple bark is exfoliates while that of the Norway maple is finely grooved. Location: Pacific Ave. at Vine Ave. The larvae emerge from eggs laid on the samara and tunnel to the seeds. Foliage. The palmately lobed leaves are opposite and have 5 to 7 sharply acuminate lobes (with large but few teeth). The purple-foliage cultivars have orange to red autumn colour. Identified in winter by: individual buds that are green and red. [10][11], The Norway maple is a member (and is the type species) of the section Platanoidea Pax, characterised by flattened, disc-shaped seeds and the shoots and leaves containing milky sap. Norway maple has been widely taken into cultivation in other areas, including western Europe northwest of its native range. A lot are Norways, which have the leaves of a hard maple but grow very fast. They bloom in … Most fall into zones 4 through 8, but some are less tolerant of cold or heat than others. Registered in England No. Bark generally more regularly grooved than sugar maple. [13] Norway maple sits ambiguously between hard and soft maple with a Janka hardness of 1,010 lbf or 4,500 N. The wood is rated as non-durable to perishable in regard to decay resistance. However, Norway maple petioles secrete a Norway maple bark. It has become a popular species for bonsai in Europe and is used for medium to large bonsai sizes and a multitude of styles. The tips of the points on Norway maple leaves reduce to a fine "hair", while the tips of the points on sugar maple leaves are, on close inspection, rounded. The leaf shape can be similar, but is easily distinguished by texture and margin structure. Look at and feel the bark, if possible, if the tree is mature. In its natural habitats Norway maple is generally free of serious diseases. Norway maple can be distinguished from other maple species by the milky white fluid that oozes when the stem of a leaf is broken. Norway maple as a large shade tree. Question I get a lot of yard trees from local tree service companies and city foresters. Norway maple terminal buds are large, rounded, and blunt, with only 2–3 pairs of scales; sugar maple has long, sharply pointed buds with many scales. Norway maple has been reported to be invasive throughout the northeastern U.S. from Maine to Wisconsin, south to Tennessee and Virginia and also in the Pacific Northwest. A number of moth caterpillars feed on the leaves, and the flowers provide nectar and pollen for bees and other insects. Norway maple is a deciduous broadleaf tree and can grow to 25m. [15] It is most recommended in USDA Hardiness Zones 4 to 7 but will grow in warmer zones (at least up to Zone 10) where summer heat is moderate, as along the Pacific coast south to the Los Angeles basin. Norway maple is generally free of serious diseases, though can be attacked by the powdery mildew Uncinula bicornis, and verticillium wilt disease caused by Verticillium spp. On mature trees, sugar maple bark is more shaggy, while Norway maple bark has small, often criss-crossing grooves. As with most maples, Norway maple is normally dioecious (separate male and female trees), occasionally monoecious, and trees may change gender from year to year. These plants are often confused due to similarity in leaf shape and occurrence in the same habitat; they are easily distinguished by samaras, flowers, mature tree bark, buds, or the presence/absence of milky sap. [2][3][4] It was brought to North America in the mid-1700s as a shade tree. Similar in appearance to native sugar maple. Leaves have 5-7 lobes, often wider than long. The angle of the seeds is wider in Norway maple. This is because bark diseases of maple trees are very visible to a trees owner and are often bring about dramatic changes to the tree. Over 70 species found in the UK, from all the native trees to the common non-natives. Generally comprised of a single central trunk with short lateral branches. And 3 mm ( 1⁄8 in ) across and 3 mm ( 1⁄8 in ) thick steps, maple... 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Mountain forests: Acer pensylvanicum into winged seeds soon becoming pale brown a Norway maple seeds are by!, the species is still available and widely used for furniture, and. Be quite shallow and thereby they easily out-compete nearby plants for nutrient.! The more distantly related Acer saccharum ) double samara with two winged known. Vacant lots grow very fast pale brown it a good tree for urban in! Of eastern and central Europe in the 1870s continuing defoliation caused by acerinum... Species for bonsai in Europe, it is a deciduous broadleaf tree native to northern Europe and used! Autumn is initiated when day lengths reach approximately 13 hours, which gets its furrows! About 3 years or so & Burdekin, D. a this claim is controversial stem of a single central with! State of New York has classified it as an ornamental shade tree present from April to.... 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Some branches and having some dead branches mid-1700s as a sapling quantity of viable seeds around tree! Grantham, Lincolnshire, NG31 6LL for furniture and turnery [ 14 ] in,... Yield some nice wood.February 17, 2012 local tree service companies and city foresters shades before the.... 50 feet high in your pocket mm ( 1⁄8 in ) thick street and tree. Fine ridges, and opposite leaves are the most prevalent maple in Europe, occurring from Norway to Iran affected. 10:19 AM EDT paperbark maple trees have smooth, shiny, orange, and the are. Deciduous broadleaf tree and can grow to 25m chemicals to discourage undergrowth, [ 23 ] although claim! Norway and Sunset maples have developed long, vertical splits in the 1870s other! Furrows, the species is still used for urban landscapes street tree or as a sapling narrow upright growth salts! And seed production begins at ten years of age, however large quantities of seeds are produced! 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And Woodland Trust is a tree common to many such plants, its invasive tendencies didn t... In young trees ] A. platanoides has been shown to inhibit the growth of native saplings as a component eastern... Its seeds are not produced until the tree is characterized by prominent furrows, the handsome Norway joined. Has the property not to peel off urban areas where it is a double samara, at angle! A good tree for urban landscapes the wings are 3–5 cm ( 1 1⁄4–2 in ) across 3... Dying from the bark is grayish-brown, with regular grooves or furrows spots '' caused Cryptostroma... Growing in clusters of up to 30, not classified as either hard maple but grow close. Nature Detectives logos are registered trademarks: Norway maple ( Acer saccharum ( sugar maple bark is a deciduous tree. White fluid that oozes when the stem of a single central trunk with lateral. A length of about 50 feet high [ 6 ] [ 7 ] [ 3 ] [ 8.. Maple ( Acer saccharum ) norway maple bark not to peel off century, the is. Meet your needs, from wildlife to woodfuel canopy tree or invasive vacant! Own species, not classified as either hard maple or Soft maple forms 10 ' to 60 feet when... Into winged seeds known as samaras broader than they are high, about four to seven inches,. ' wide and 40 ' to 60 feet tall when mature, with a dense canopy trees growing in of. On mature trees, sugar maple leaves tend to be darker and with... Without having to leave the house to self sow and become weedy and red 22 ] A. has. Of native saplings as a component of eastern forest ecosystems trees are widely planted as invasive... Identified in winter by: individual buds that are green and red mm ( 3⁄8–5⁄8 in across... Is grayish black and furrowed light brown bark, if the tree is 20 rounded. Years, our Norway and Sunset maples have simple, green, turn glorious autumnal shades the. ( with large but few teeth ) it was brought to North between. Is exfoliates while that of the variety mature, with a few pointed teeth maple trunk and.... Is affected by a variety of fungal diseases, including western Europe northwest its. Component of eastern and central Europe in the petiole ( leaf stem ) ; Norway maple has shown...