A mature Norway maple can reach 75 feet tall, with a crown width of 30 to 50 feet. The best method of controlling Norway maple is preventing the spread of more. Bark appearance is most helpful when identifying larger Sugar and Norway Maple trees; however, when these trees’ trunks are less than ten inches in diameter, their bark can look very similar to each other. Review of risks should be undertaken before selecting these trees for planting sites. Columbia University, introduced to North America in the mid-1700’s from Eurasia as an ornamental tree, occurs in southern British Columbia and from southern Ontario east to Newfoundland, large deciduous tree that usually grows to 12-18 m (40-60 ft) with a widely-spreading crown, leaves are ‘maple-shaped’ and usually dark green, the small, greenish flowers appear in early spring followed by the developing seeds, the flattened seeds occur in pairs with widely-spreading wings that help with wind dispersal, reproduction is by seeds which are produced in abundance and germinate quickly, grows in dense stands that suppress native tree seedlings due to shade, shallow root system prevents native tree seedlings from establishing, leaves release toxins that affect soil fungi and microbes, very shade tolerant and can out-compete native trees, such as, leaf out is early in spring and leaf drop is late in the fall giving Norway Maple a long growing season compared to native species, cutting trunks followed by herbicide application to the cut trunks, herbicide application to seedlings or young saplings, several years of control may be needed since the seeds are unaffected by the above methods and seedlings can recolonize an area. Because it is so tolerant to shade, it out-competes the North American native sugar maple. the small, greenish flowers appear in early spring followed by the developing seeds. While these trees have demonstrated invasive traits, there is insufficient supporting research to declare them so pervasive that they cannot be recommended for any planting sites. 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.The leaf of the maple tree is incorporated in the flag of Canada.Maple tree can survive more than 300 years under appropriate climate conditions.People in Japan like to watch delicate changes in the colour of the foliage during the autumn. However, its canopy is denser than that of sugar maple, so fewer wildflowers are able to grow beneath, reducing biodiversity.Mature Norway maple trees can grow to 25m. Definitely let it dry it out first and then consider renting a splitter. leaf stems exude a milky sap when broken. You're right, the larger you get with the rounds from the trunk the worse it is. It is very similar to the sugar maple, with a few distinguishing characteristics: the leaves are usually palmately 3-lobed with hairy lower leaf surfaces, the leaf blades are thicker and characterisically drooping at the sides, twigs are orange-brown and the bark is almost black and more … The straight trunk of the famous sugar maple tree (Acer saccharum) has smooth bark when young that loosens and becomes shaggy as it matures. Maroon colored scales overlap and form a rounded end on the Norway Maple’s terminal bud. Tree Killers resource →. The leaves of the maple are arranged opposite, as in the sycamore ma… Return to our Tree Killers resource homepage here: Paper made of maple tree has excellent printing properties.Dried wood of maple tree can be used for smoking of food, while charcoal made of maple tree plays significant role in the manufacture of Tennessee Whiskey.===Scientific classificationKingdom: Plantae(unranked): Angiosperms(unranked): Eudicots(unranked): RosidsOrder: SapindalesFamily: Sapindaceae[1]Genus: AcerSpecies: A. platanoidesBinomial nameAcer platanoides