In some areas, Norway Maple has become invasive, with seedlings overtaking native woodlands. Long-lived (60 to 200 years) and fast-growing, Norway Maple also provides some winter interest, with its attractive, grayish bark, regularly and shallowly grooved. In spring, scented yellow flowers, borne in showy clusters appear before the leaves and are followed by two-winged samara. (17 cm) ranges from medium to dark green in summer, and changes to a brilliant palette of yellows, oranges, and browns in the fall. Its foliage of sharply pointed five-lobed leaves, 7 in. Ontario's Invading Species Awareness Program.Noted for its spectacular fall color, Acer platanoides (Norway Maple) is a large, deciduous tree with a slender trunk and a dense, rounded crown. If you are looking for tips on dealing with invasive species on your property, see the links above, or visit NVCA does not offer a service to remove invasive species on private property. ![]() If you are looking for tips on dealing with invasive species on your property, see the links above, or visit Ontario's Invading Species Awareness Program. NVCA does not offer a service to remove invasive species on private property. The Landowner's Guide to Controlling Invasive Woodland Plants.Quick Reference Guide to Invasive Plant Species (Norway Maple pg 10).Use native or non-invasive tree species when landscaping on your property. Speak to your tree nursery for more suggestions Silver and Freeman maples (needs moist soils)ĭowny and smooth serviceberry (tolerates wide range of soils and produces edible berries during the summer!) Hackberry (adapted to a range of soil types and tolerates difficult urban conditions) Good alternatives to Norway Maple include: ![]() Cutting down the tree to the base of the trunk and spraying the trunk with a herbicide is required. Once established, removal of the Norway maple is difficult. Remember to refrain from planting any of the Norway maples on your property, which include the Crimson King, Emerald Queen, Drummondii, Dissectum, Columnare, and other varieties. The best method of controlling Norway maple is preventing the spread of more. The roots of the Norway maple tend to grow close to the ground surface taking away moisture for native plant species. Also, seedlings can create a thick mat in the shady forest understory and still establish since they are shade-tolerant. Norway maples grows rapidly and once established they create a thick canopy which block sunlight from the forest floor restricting growth of native shrubs and ground cover. Although significant encroachment into natural areas have not been observed to date, there is a high potential that this will occur. Norway maple is a common urban tree in our watershed. Where is Norway Maple found in our watershed? The stems and branches release a clear sap when broken.The tips of the points on the leaves are more rounded. ![]()
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