Look at and feel the bark, if possible, if the tree is mature. Q: Over the last couple of years, our Norway and Sunset maples have developed long, vertical splits in the bark. Norway maple infestation. Cultivars can be purple. Bright green flowers grow in clusters of up to 30. droop at a 45° to 90° angle. Norway maple is a deciduous broadleaf tree and can grow to 25m. Norway maple is a common urban tree in our watershed. They all have the same thing in c… Paperbark maple trees have smooth, shiny, orange bark that peels off in strips. 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. It is widely planted as an ornamental tree in parks and gardens. As the tree trunks increase in diameter, the bark matures with ridges gaining thickness and the … 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. I have two 15 year old Norway Maples. Norway maple tends to self sow and become weedy. A non-profit-making company limited by guarantee. In North America, it is planted as a street and shade tree as far north as Anchorage, Alaska. These forms of Norway maple are good choices for street trees. Phillips, D. H., & Burdekin, D. A. Q: Over the last couple of years, our Norway and Sunset maples have developed long, vertical splits in the bark.  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. By comparison, in its native range, Norway maple is rarely a dominant species and instead occurs mostly as a scattered understory tree.. Birds and small mammals eat the seeds. VAT No. Norway maple is affected by a variety of fungal diseases, including verticillium wilt and honey fungus. This species tends to leaf out earlier in the spring than other maples and forms a broad-rounded crown. Credit: Nigel Cattlin / Alamy Stock Photo. 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. Asked May 25, 2017, 10:19 AM EDT. Tar spot is becoming very common on this species. Yellow or greenish-yellow flowers are approximately 8 mm in diameter and are found in clusters that are present from April to May. Stem. In North America, both are more common around urban areas, although Norway maple is more common. 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. Unlike many other maples, mature trees do not tend to develop a shaggy bark. However, it can occasionally yield some nice wood.February 17, 2012. The young Norway maple has a smooth, light brown bark, which gets its characteristic furrows only in old age. The tips of the points on the leaves are more rounded. Generally comprised of a single central trunk with short lateral branches. Norway maple seedling with first true leaves. Leaves of Norway maples usually are broader than they are high, about four to seven inches wide, with five prominent lobes. The petiole, the stalk of the leaf, is 3 to 8 inches (8 to 20 centimeters) long and secretes a milky juice when broken.  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. Norway maples have simple, green, and opposite leaves. (All native maples are <90 degrees.)  The roots of Norway maples grow very close to the ground surface, starving other plants of moisture. Nectria galligena canker – This maple bark disease will attack the tree while it is dormant and will kill healthy bark. Other species with ridged, furrowed bark include the hedge maple and ash-leafed maple. 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. The bark of a Norway maple is grayish black and furrowed. This species tends to leaf out earlier in the spring than other maples and forms a broad-rounded crown. ... On older trees, sugar maple bark is exfoliates while that of the Norway maple is finely grooved. We have single trees and tree packs to meet your needs, from wildlife to woodfuel. Most Red Maples grow to a length of about 50 feet high. Norway maple was introduced to the UK from its native range of eastern and central Europe in the 17th century. Opposite, 5-lobed, coarsely toothed and pointed. (All native maples are <90 degrees.) Palmate with five lobes with a few pointed teeth. In addition, their roots tend to be quite shallow and thereby they easily out-compete nearby plants for nutrient uptake. It is one of the few introduced species that can successfully invade and colonize a virgin forest. Tiny, yellow-green flowers grow in loose, upright clusters. It was brought to the Pacific Northwest in the 1870s. Norway maple is a deciduous broadleaf tree native to northern Europe and was introduced to the UK in the 17th century. The papery bark can be in various shades of colors, including cinnamon, orange, and reddish-brown. Both are losing bark & have branches dying from the top & south side. It was planted by the hundreds of thousands across North America and remains, in most areas, the tree most commonly sold in garden centers. Bark: On a young Red Maple the bark can be smooth and gray. Maple trees growing in an urban environment often weaken from urban pollution, construction around the tree and deicing salts. Bark generally more regularly grooved than sugar maple. More about Norway Maples [leave site]» Acer plantanoids 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. , It is favored due to its tall trunk and tolerance of poor, compacted soils and urban pollution, conditions in which sugar maple has difficulty. The winter buds are shiny red-brown. However, Norway maple petioles secrete a 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. Identified in winter by: individual buds that are green and red. A number of moth caterpillars feed on the leaves, and the flowers provide nectar and pollen for bees and other insects. These fungus are the most common maple bark diseases. 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. It typically produces a large quantity of viable seeds. Has yellow fall foliage. Acer nigrum black maple: moist riverbottoms: Acer pensylvanicum. 1982873. Mature bark appear 'shaggy'. Leaves have 5-7 lobes, often wider than long. Norway maple is a deciduous broadleaf tree and can grow to 25m. Leaves. Several different kinds of fungi will cause cankers on a maple tree. Credit: Our Wild Life Photography / Alamy Stock Photo.  It was brought to North America in the mid-1700s as a shade tree. Norway Maple vs Sugar Maple. Norway maple as a large shade tree. Verticillium wilt (fungus) is a potential serious problem. Native geographic location and habitat. 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. Foliage. Invasive and Exotic Species. Learn more about the pests and diseases threatening our trees. Where is Norway Maple found in our watershed? Leaves have 5-7 lobes, often wider than long. Norway maple is the most prevalent maple in Europe, occurring from Norway to Iran. (1992). Most fall into zones 4 through 8, but some are less tolerant of cold or heat than others. the seeds are disc-shaped, strongly flattened, 10–15 mm (3⁄8–5⁄8 in) across and 3 mm (1⁄8 in) thick. In addition, the dense canopy of Norway maples can inhibit understory growth. The Norway maple (Acer platanoides) is a tree common to many northern climates. Question I get a lot of yard trees from local tree service companies and city foresters. They are usually dark green in colour, fading to yellow and occasionally red before falling in autumn. Look out for: leaf stalks which ooze a milky sap when squeezed. Norway maple is the most prevalent maple in Europe, occurring from Norway to Iran. 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. 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. Autumn leaf identification quiz: can you identify these 10 trees? Norway maple. SC038885). In forestland, the maple tree becomes weakened from continuing defoliation caused by pests. Seedlings first were introduced to this country by the famous nurseryman and explorer John Bartram in 1756. Norway Maple is frequent in urban areas where it is planted as a street tree or invasive in vacant lots. Ectoedemia sericopeza, the Norway maple seedminer, is a moth of the family Nepticulidae. The bark is grey with fine ridges, and the twigs are slender and brown with tiny white spots. Similar in appearance to native sugar maple. A lot are Norways, which have the leaves of a hard maple but grow very fast.  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. Other species with ridged, furrowed bark include the hedge maple and ash-leafed maple. The angle of the seeds is wider in Norway maple.  The Norway maple also suffers less herbivory than the sugar maple, allowing it to gain a competitive advantage against the latter species. The bark of the maple is traversed by small, elongated grooves and has the property not to peel off. Introduced Species Summary Project: Norway maple (Acer platanoides). The fruit is a double samara with two winged seeds. It may be used for a variety of situations, including furniture and turnery.  Norway maple seeds are flattened, while those of sugar maple are globose. Norway maples tolerate many different types of soil and are resistant to air pollution. A native to Europe, the Norway maple is a medium to large size tree. Has yellow fall foliage. Anthracnose is a common leaf disease. The bark is grey-brown and shallowly grooved. 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. Norway maple bark. "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. A number of moth caterpillars feed on the leaves of Norway maple. Norway maple This plant can be weedy or invasive according to the authoritative sources noted below.This plant may be known by one or more common names in different places, and some are listed above. Introduced in the 17th century, the handsome Norway maple is known for its hardy timber. There is much confusion online as to whether you can tap them for maple syrup. 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'. 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. The flowers emerge in spring before the leaves and last 2-3 weeks. However, in urban areas, along with other maple trees it can suffer from different diseases caused by a combination of stresses due to pollution, site alteration, soil compaction, etc.4. The bark of a Norway maple is grayish black and furrowed. An introduction grown mainly for ornament, especially for its autumn colours, but widely naturalised. The fruits of Norway maple are paired samaras with widely diverging wings,:372 distinguishing them from those of sycamore, Acer pseudoplatanus which are at 90 degrees to each other. Norway maple produces shallow roots .  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. Fruit is a double samara, at obtuse angle. 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 is the most common tree in Toronto, Canada. Native to Europe. Leafout of Norway Maple is tied to photoperiod and initiated when day lengths reach approximately 13 hours, which is generally in April. New Hampshire and Massachusetts. 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. They bloom in … Its leaves are palmate with five lobes with a few pointed teeth. 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. The Woodland Trust and Woodland Trust Nature Detectives logos are registered trademarks. Hardiness: Maples vary in hardiness. A rose colored dye can be obtained from the bark. striped maple: low elevation mountain forests: Acer platanoides. 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, 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. The bark is grey with fine ridges, and the twigs are slender and brown with tiny white spots. Norway maple, Wikipedia, the free encyclopedia.  The State of New York has classified it as an invasive plant species. This has occurred for about 3 years or so. The autumn colour is usually yellow, occasionally orange-red.. Unlike most other maples, this one does not develop shaggy bark at maturity. Norway maple has been widely taken into cultivation in other areas, including western Europe northwest of its native range. Since Norway Maple's leafout in spring is also tied to photoperiod unlike most North American trees which leaf out based on air temperature, the tree has a competitive advantage in that it may leaf out well before native trees and shrubs since the latter may be delayed by the weather conditions. Cultivars can be purple. The flowers are in corymbs of 15–30 together, yellow to yellow-green with five sepals and five petals 3–4 mm (0–1⁄4 in) long; flowering occurs in early spring before the new leaves emerge. 2296645), is a wholly owned subsidiary of the Woodland Trust. Branches. Leaf drop in autumn is initiated when day lengths fall to approximately 10 hours. Norway maple was introduced to the UK in the 17th century. Bark color and texture Bark is gray and fairly tightly ridged and furrowed. Appearance. 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. It is also frequently confused with the more distantly related Acer saccharum (sugar maple).  It is a member of the family Sapindaceae. Once pollinated by insects, female flowers develop into winged seeds, known as samaras, which fall in autumn and are spread by wind. Look at and feel the bark, if possible, if the tree is mature. These splits can be as much as four feet long. 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 Maples losing bark on trunks and some branches and having some dead branches . Sycamore (Acer pseudoplatanus). Norway maple is a deciduous broadleaf tree and can grow to 25m. Similar in appearance to native sugar maple. Over time, as reforestation occurred across the Northeast, Norway maple joined native tree species as a component of eastern forest ecosystems.  The cultivars 'Crimson King' and Princeton Gold='Prigold' have gained the Royal Horticultural Society's Award of Garden Merit. Norway Maples commonly line urban streets, although they're considered invasive. Opposite. 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.  In Europe, it is used for furniture, flooring and musical instruments. GB520 6111 04. Norway Maples losing bark on trunks and some branches and having some dead branches . Sugar maple leaves tend to be longer than wide. 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.. The wood is hard, yellowish-white to pale reddish, with the heartwood not distinct; it is used for furniture and turnery. On mature trees, sugar maple bark is more shaggy, while Norway maple bark has small, often criss-crossing grooves. This has occurred for about 3 years or so. Registered office: Kempton Way, Grantham, Lincolnshire, NG31 6LL. 'Crimson King' - A very popular cultivar that many consider to be overused. Large deciduous tree, up to 60 feet tall when mature, with a dense canopy.  As a result of these characteristics, it is considered invasive in some states, and has been banned for sale in New Hampshire and Massachusetts. Other Important Facts: The Red Maple is found mostly in Pennsylvania.  Some have suggested Norway maples may also release chemicals to discourage undergrowth, although this claim is controversial. Norway maple seedling with first true leaves. The palmately lobed leaves are opposite and have 5 to 7 sharply acuminate lobes (with large but few teeth). My experience says you can and should tap Norway Maples, as other factors make up for the shortcomings of Norway Maples. The purple-foliage cultivars have orange to red autumn colour. 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. 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. red maple. Norway maple infestation. It is a hearty tree that can grow in small plots, making it a good tree for urban landscapes. The Norway… Norway maple as a large shade tree. Bark of mature Norway maples has tight, furrowed grooves, similar to our native ash, while sugar maple bark is both flattish and smooth when young or platy when older. How to identify Norway maple. It has become a popular species for bonsai in Europe and is used for medium to large bonsai sizes and a multitude of styles. Both are losing bark & have branches dying from the top & south side. Identified in winter by: individual buds that are green and red. Similar to many such plants, its invasive tendencies didn’t become noticed until much later. 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. The Woodland Trust is a charity registered in England and Wales (No. 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. 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. The wings are 3–5 cm (1 1⁄4–2 in) long, widely spread, approaching a 180° angle. Which can fracture pavement and limit the . Yellow or greenish-yellow flowers are approximately 8 mm in diameter and are found in clusters that are present from April to May. Sooty bark disease caused by Cryptostroma Types of mushroom in the UK: common identification guide, Bats about trees: winter Broadleaf is out now, Five ways to prepare your garden for winter wildlife. The larvae emerge from eggs laid on the samara and tunnel to the seeds. , Species of flowering plant in the soapberry family Sapindaceae. It has bright green flowers growing in clusters of up to 30. Credit: M & J Bloomfield / Alamy Stock Photo. 'Crimson King' - A very popular cultivar that many consider to be overused. Norway maple timber is similar to that of sycamore, being hard, strong and pale cream in colour. The shoots are green at first, soon becoming pale brown. Gray furrowed bark of older tree. Discover our recent challenges and successes and how you can help. Opposite. Large deciduous tree, up to 60 feet tall when mature, with a dense canopy. The stems and branches release a clear sap when broken. 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