![]() The shoots are green at first, soon becoming pale brown. Unlike many other maples, mature trees do not tend to develop a shaggy bark. The bark is grey-brown and shallowly grooved. It is a member of the family Sapindaceae.Īcer 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. It was introduced to North America in the mid-1700s as a shade tree. & Sint.Īcer platanoides, commonly known as the Norway maple, is a species of maple native to eastern and central Europe and western Asia, from Spain east to Russia, north to southern Scandinavia and southeast to northern Iran. ![]() Native trees like red maple and sweetgum are good alternatives. Perhaps the best way to do Norway maple control is opting to plant a different type of tree. Once the trees are removed, it is critical to act quickly to transplant native trees into the spaces the Norway maples used to occupy. Girdling big trees by cutting deeply into the bark around the trunk will effectively kill them. It’s a better option where the natural resource management is short term rather than long term. Pruning stops the tree’s spread without leaving immediate holes in the forest structure. This is a good solution for an area under long-term resource management. In an area where the trees have already spread into the wild, one method of Norway maple control is pruning out seed-bearing branches each year. Then apply an herbicide to the exposed stump. ![]() If you want to know how to manage a Norway maple sapling, use pruning loppers to fell the young tree. A weed wrench pulls Norway maples out of the ground with most of their roots intact. If the only new trees are seedlings and saplings, Norway maple control can be affected by weeding these out by hand. Controlling Norway maple populations is a real challenge. How to Manage a Norway MapleĮxperts addressing the question of how to manage a Norway maple recommend against planting the tree in new developments. Though not native to this country, Norway maple trees are currently found in half the states, and they are considered invasive in most of them. Given the vast numbers of seeds produced by the tree and the ease with which they grow, Norway maple weed trees in your backyard spread quickly to nearby forests and fields. These maples are called “Norway maple weed trees” because they spread so rapidly. This makes controlling Norway maple difficult. They germinate promptly, even in full shade. These samaras are packed with seeds, and the wind blows them far and wide, allowing the seeds to spread. The flowers give way to winged fruit called samaras. The trees produce upright clusters of yellowish green flowers that bloom in May. Both the leaves and the twigs “bleed” a milky sap when cut or broken. The color and texture of the bark contrasts with the dark green, deeply lobed leaves that grow to 6 inches (15 cm.) long and 5 inches (13 cm.) wide. The trunk of the Norway maple is mottled gray and smooth. They have dense, rounded canopies that offer deep shade beneath. Norway maples are tall, attractive trees that taller than 65 feet (20 m.). For information about Norway maple control, read on. Controlling Norway maples is much more difficult than growing them. In the wild, Norway maple shades out native plants. However, they produce many seeds and propagate so easily that they readily escape cultivation. Norway maple trees ( Acer platinoides) are wonderful shade trees in the garden.
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