![]() ![]() It creates dense shade, has shallow roots, and is (so I have read) alleopathic - it creates chemicals that inhibit the growth of other plants. You cannot grow anything beneath a Norway Maple. I would definitely get rid of the Norway Maple. What do you think - would it be a good or bad thing to get rid of the Norway Maple? Thanks My problem is that friends and relatives are expressing a lot of shock and disapproval and it's making me question whether it's the 'right thing to do.' Isn't it actually a good idea to remove non-native invasives? I admit it doesn't seem particularly invasive, but what if birds are spreading the seeds? I have a small, urban backyard, and I'd really like to make it as ecologically friendly (and attractive to birds!) as possible. I've even got a baby Serviceberry (A.laevis) to plant instead, although in a more suitable spot (the current tree is too close to the house and cuts off my view of the children playing. Last summer, I'd almost decided on turning it into a snag, and growing some sort of native vine on it, but now I really think I just want it gone. However, I'm pretty sure the tree in question is a Norway Maple, which is non-native and considered invasive in my state. I want some sunlight and air circulation! For a time, I considered removal out of the question - it just seemed very wrong to even think about removing a tree. I hate to call a tree ugly, but it really is, and the dense shade is unwelcome since my next door neighbor's huge Holly and numerous Pines and Yews already shade our yard quite a bit. Norway maple seedling with first true leaves.When we bought our first house 3 yrs ago, one of the things I most disliked about it was the backyard tree. Cultivars can be purple.įruit is a double samara, at obtuse angle. Leaves have 5-7 lobes, often wider than long. ManagementĬhemical: Foliar, cut stump, hack and squirt, basal bark herbicide treatment Key characteristics to distinguish from the native sugar maple are the angle of the samara, width of leaves, and white sap of leaves, petioles, and twigs (see photos). Naturalizing Norway maple could be confused with the native sugar maple. Young bark is olive to light brown and becomes gray and furrowed with age. Norway maple is a large shade tree usually growing 40-60 feet tall but can grow up to 90 feet or more. Another distinct characteristic is the green to burgundy range in leaf color. Norway maple has many cultivars with distinct forms including columnar, and weeping varieties. Norway maple is widely planted as a shade tree in urban areas because it can tolerate drought, deicing salt, compacted soils, and air pollution. It has naturalized in Great Britain, the northeastern United States, and southeastern Canada. The first documented Norway maple introduction to North America was in 1756. Means of spread: Plants reproduce by seed which can be spread by wind and water. Native range: Central and eastern Europe and western Asia Impact: Environmental, very shade tolerant, forms dense canopy, reduces native plant diversity in understory. Found naturalizing in forests, particularly within disturbed understory. Habitat: Adaptable to many growing conditions. Related species: Sugar maple, red maple, silver maple, black maple, mountain maple non-native ornamental maples Norway maple seed is wind dispersed so trees should not be planted closer than 100 yards from natural areas." Legal status: Specially Regulated with the requirement that sellers affix a label that advises: "Norway maple should only be planted in areas where the seedlings will be controlled or eradicated by mowing or other means. Synonyms: 'Crimson King', 'Columnare', 'Erectum', 'Olmsted', 'Drummondii', 'Emerald Queen', 'Globosum', 'Schewedleri', and 'Summershade', and any other cultivar capable of producing viable seed. ![]()
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