Play Clean Go Awareness Week June 6 – 13, 2020, Garlic Mustard Webinar: A How-To Guide to Removal, Tuesday May 19 @ 4-5:PM. EDRR Expansion Announcement: An Eastern Ontario Network! One of Ontario’s Most Unwanted Invasive Plants! 4-7 in. For more information on Norway Maple, please contact CVC via email or to report sightings of Norway Maple call the Ontario Federation for Anglers and Hunters Invasive Species Hotline at 1-800-563-7711 and add the sighting to the EDDMaps Ontario website. Leaves. These Best Management Practices (BMPs) provide guidance for managing invasive plants such as Norway maple (Acer platanoides) in Ontario. Additionally, they are prolific seed producers and are now invading Much too late, planners discovered the troubling truth: the Norway maple is an aggressive invader. Disclaimer & Privacy, ​​​Phone: 705-424-1479General inquiries email: admin@nvca.on.ca Invasive. Wildflower diversity is reduced because it forms a … Mature bark have a small crisscrossing groove pattern. It is widely available from nurseries. Acer platanoides Norway maple UF FF MS 2 Acer pseudoplatanus Sycamore maple UF FF MS 2 Appendix 1. It is localized and spreading in parts of Ontario, Quebec and Newfoundland (White et al., 1993). Pests and disease are destroying city trees and there are no alternatives suitable […] Norway maples have invasive traits that enable them to spread aggressively. For more information on Norway Maple, download our Best Management Practices, available using the link below: We are a multi-sector, non-profit group committed to the collaboration of organizations and Norway maple leaves tend to be wider than long. Municipal forestry departments are also removing Norway maples from their natural areas. This prolific invasive herb is extremely common and extremely invasive in Ontario. Norway Maples – An Invasive Nightmare. There are many invasive species of plants disrupting our ecosystems but one of them is putting our iconic sugar maple at risk - yes, the beautiful maple leaf that adorns our country's flag. Acer platanoides L. Appearance. No surprise, due to their fast growth, brilliant autumn displays, and the ability to grow in areas where other trees cannot. © 2014-2020 NVCA - All Rights Reserved, Quick Reference Guide to Invasive Plant Species, The Landowner's Guide to Controlling Invasive Woodland Plants, Ontario's Invading Species Awareness Program. Norway maples grow faster than native sugar maples, and compete for the same habitats. The tips of the points on the leaves are more rounded. Norway Maple (Acer platanoides) has been recognized as an occasional invasive exotic in various parts of eastern North America. Books: Trees in Canada: 154 Native/Non-native: Non-native Status: Common. It was not until Steve Smith and I had an occasion to examine several sites this fall in early November, after the leaves of the native Sugar Maple (A. saccharum) had fallen, but those of Norway Maple were still … Cutting down the tree to the base of the trunk and spraying the trunk with a herbicide is required. The roots of the Norway maple tend to grow close to the ground surface taking away moisture for native plant species. K9H 7L7, Phone: 705-741-5400 Norway maples are indigenous to Eastern Europe, but due to their prolific ways can now be found far beyond their original domain. As you know, the Norway maple species has become labeled as an invasive species in some parts of North America. Norway maple is a common urban tree in our watershed. There, with their own heavy canopies, they shade out native wildflowers. They emerge on leaves in late summer and early fall and cause … We will no longer be supporting IE7 and below as a web browser effective June 1st 2020. Marta Czurylowicz Reporter, Ontario - Reposted from www.theweathernetwork.com Thursday, October 8th 2020, 11:41 am - There are many invasive species of plants disrupting our ecosystems but one of them is putting our iconic sugar maple at risk - yes, the beautiful maple leaf that Part of the strategy includes efforts to stop the production and sale of … Nationally, it is most frequently reported as invasive in New England and the Mid-Atlantic. Creating a Non-Invasive Norway Maple Led by Travis Banks and Darby McGrath of Vineland Research and Innovation Centre, this project will initiate work to develop a Norway maple tree that is no longer invasive, in an effort to keep our cities green. 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. Norway maples may also be known as Harlequin Maple and Emerald Queen. Sugar Maple (similar looking native species). The stems and branches release a clear sap when broken. Cutting down the tree to the base of the trunk and spraying the trunk with a herbicide … Although significant encroachment into natural areas have not been observed to date, there is a high potential that this will occur. here It was first introduced … Botanical Garden and the Wilket Creek ravine in Toronto, Ontario has fallen victim to the invasive Norway maple (Acer platanoides). Review of risks should be undertaken before selecting these trees for planting sites. mleung@nvca.on.ca or call 705-424-1479 x 254, ​Copyright citizens in order to effectively respond to the threat of invasive plants in Ontario. NYS declared Norway maples to be regulated invasive species, meaning they can’t be “knowingly introduced into a free-living state.” They're displacing native maple in NY forests. Leaves are oppositely arranged and have 5 lobes. Herbaceous and woody species. ), Speak to your tree nursery for more suggestions. Native to the western Himalayas, some of the tallest reported sightings of this invasive species in Ontario have been found in Northern Ontario (over 8 ft!). Native to Europe, Norway Maple (Acer platanoides) was introduced North America because of its aesthetically pleasing landscaping look. 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. Mobile Friendly Web Design Whatever Media, Upcoming Event: Ontario Phragmites Working Group Annual Meeting, Upcoming Event: 2021 Ontario Invasive Plant Conference and Annual General Meeting. There are some groups that feel it should be illegal to grow and plant Norway maples here in Ontario. Norway maple is an invasive species. Use native or non-invasive tree species when landscaping on your property. If you are looking for tips on dealing with invasive species on your property, see the links above, or visit Common varieties of this invasive species include "Crimson King" (has burgandy leaves and often wrongly called red maple), "Schwedleri" and "Drummondii" (which has variegated leaves). Norway maples have very shallow roots and produce a great deal of shade which makes it difficult for grass and other plants to grow in the understory below. Email: info@oninvasives.ca, © 2021 OIPC This maple tolerates heavy shade, so establishes well in woodlands where birds drop their seeds. Threat(s): The success of the Norway maple threatens not only to crowd out the sugar maple, and possibly other direct tree competitors, but also to reduce the bio-diversity of the forest understory. Norway Maple Acer platanoides Name: Although it is called “Norway” maple, it is actually indigenous to much of eastern Europe and down to the Caucasus. Norway maple is an invasive plant you should not put in landscapes, and for which there are several good alternatives. Oppositely arranged on the stem, glossy, dark green and 10-18 cm wide (approx. Leaves are oppositely arranged and have 5-7 lobes. Medium to large, deciduous tree growing 12-30 m tall (approx. That doesn’t mean they will die out on their own. Toronto is one area where concern has been expressed for this species. The tree takes over forests, spreading thick leaves that open first and fall last. Good alternatives to Norway Maple include: Hackberry (adapted to a range of soil types and tolerates difficult urban conditions), Silver and Freeman maples (needs moist soils), Downy and smooth serviceberry (tolerates wide range of soils and produces edible berries during the summer! The best method of controlling Norway maple is preventing the spread of more. It is a non-native popular landscape tree that can spread into native woodlands. Click Both the City of … Native to Europe and western Asia, it was first introduced to the United States for cultivation as an ornamental tree in 1756. • Black Maple (Acer nigrum) • Sugar Maple (Acer saccharum) • Red Maple (Acer rubrum) Flowers: Spring Leaves: Opposite/Whorled, Simple, Toothed Habitat: Fields and Open Areas; Open areas, forests. It has many competitive advantages over native maple and other tree species, including shade-tolerance, prolific seed production, and ability to establish in a variety of soil types. They are tolerant of many different growing environments and have been a popular tree to plant on lawns and along streets because of their hardiness. The bark of older, mature trees is grey and furrowed. for more information. Norway maple (Acer platanoides) is a large deciduous tree that can grow up to approximately 40-60 feet in height. If your property has become the target of an unwanted species, such as buckthorn, phragmites, garlic mustard or Norway Maple, there could be devastating consequences for the overall health of your land. Norway maple or érable de norvège is a shade-tolerant deciduous tree in the soapberry (Sapindaceae) family, formerly in the Aceraceae family. The stems and branches release a white sap when broken. Considered by many botanists as invasive, the exotic Norway maple is widely planted as a lawn and street tree. Norway Maple (Acer platanoides) introduced to North America in the mid-1700’s from Eurasia as an ornamental tree can be found in southern British Columbia and southern Ontario east to Newfoundland. Also, seedlings can create a thick mat in the shady forest understory and still establish since they are shade-tolerant. NVCA does not offer a service to remove invasive species on private property. Nowadays varieties of the Norway maple are typically planted in urban areas because of their perceived aesthetics, tolerance to stress and rapid growth. Norway maple invades woodlands by out-competing sugar maple due to its shade tolerance. Some conservation authorities, such as the Toronto Region Conservation Author- ity and the Credit Valley Conservation Authority, when placing management plans in place for their natural areas, address the issue and remove invasive species such as Norway maples as part of their management plan. Norway maples produce a denser canopy and broader, shallower roots as well. This reduced bio-diversity is itself a concern and becomes doubly so when seen in light of the compounding effect of other invasive species such as barberry bushes, smothering bittersweet and Japanese … In Ontario the Invasive Species Act was passed in 2016. 380 Armour Road, Unit 210 The best method of controlling Norway maple is preventing the spread of more. In Canada, Norway maple was planted widely in cities and towns after World War II as a reliable and rapidly growing replacement … occurs in southern British Columbia and from southern Ontario east to Newfoundland; widely available from nurseries Their shallow roots compete in forests with other less vigorous native vegetation. Page 1 Paul Wray, Iowa State University, bugwood.org Norway Maple The leaf buds are rounded Leaves are oppositely arranged and have 5-7 lobes Norway maple leaves tend to be wider Second to habitat loss, invasive species have been identified as the most significant threat to biodiversity. Norway Maple Scientific Name. Feedback ​| Tar spots are black raised spots on the leaves of Norway maples caused by a fungus. Peterborough, ON 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. Native to Europe and western Asia, it was first introduced to the United States for cultivation as an ornamental tree in 1756. NORWAYMAPLE Invasive alien species, such as Norway maple (Acer platanoides), are a threat to the improvement and even the long-term survival of sugar maple (Acer saccharum). Most recently, the Invasive Species Act was developed to help reduce the spread of invasive species. Notes: Norway Maples are somewhat invasive alien trees. Norway maples are “not the ideal urban species we once thought they were,” Mr. Kuitenbrouwer said. Invasive Species Control in southern Ontario. 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. Bark. 39-98 ft.) with a broad, rounded crown. Ontario's Invading Species Awareness Program. They are prolific seed producers, and their thick foilage shades out … Norway maple or érable de norvège is a shade-tolerant deciduous tree in the soapberry (Sapindaceae) family, formerly in the Aceraceae family. of the Norway maple tend to grow close to the ground surface taking away moisture for native plant species. NVCA does not offer a service to remove invasive species on private property. Reporter, Ontario Thursday, October 8th 2020, 11:41 am - There are many invasive species of plants disrupting our ecosystems but one of them is putting our iconic sugar maple at risk - yes, the beautiful maple leaf that adorns our country's flag. In Canada, Norway maple was planted widely in cities and towns after World War II as a reliable and rapidly growing replacement for white elms (Ulmus americana) when they were largely eliminated as an urban street tree by Dutch elm disease. Many correspondents did not consider it to be a problem, although one described it as one of the most important invasive plants in southern Ontario. Learn more about it here. Permit inquiries email: permits@nvca.on.ca​, For media inquiries, please contact Maria Leung at In late April, yellowish green flowers are produced in clusters. They arrived in North America in the late 1700s and quickly gained popularity. Ontario Invasive Plant Council This leads to less wildflower diversity and seedling suppression below norway maples than compared to native maples. Once established, removal of the Norway maple is difficult. Grey-brown with small, criss-crossing grooves. The European Norway maple has a similar leaf shape and often gets mistaken for the sugar maple. Sugar maple leaves tend to be longer than wide. 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. Once established, removal of the Norway maple is difficult. Typically, they can … Quick facts. NVCA Administration Office 8195 8th Line Utopia ON L0M 1T0, Site Map |  Norway maples produce large numbers of seeds which can be widely dispersed due to their winged samaras. Norway maple is common throughout the U.S. and Canadian portions of the Great Lakes region. Funding and leadership to produce this document was provided by the Regional Municipality of York, and the City …

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