11/8/2023 0 Comments Norway maple acer platanoidesIt can be especially bothersome planted near sidewalks or walkways as it is messy and it self seeds easily becoming weedy in the landscape. Its canopy is dense and it has shallow roots which make it very challenging to grown anything under the drip line of the tree. Young tree bark may suffer from sun-scald or frost damage. Insects, Diseases, and Other Plant Problems: Susceptible to verticillium wilt. angle of attachments of the 2 nutlets: a straight line.Shallow roots make it difficult to grow plants underneath. Some cultivars of this plant have deep purple or maroon leaves. It is noted that this species should be given considerable room, as it covers large areas. It freely reseeds itself, so be aware you may be pulling up seedlings.Ĭultivars may offer the best choice for landscaping. It has a symmetrical, rounded crown and has been used widely as a tree in urban areas of the United States though it is not recommended for many areas now. Prefers full sun to partial shade, a wide range of soils but must be well trained and maintain a medium moisture level.Īn easy growing excellent shade or street tree that tolerates heat, drought, urban conditions, and pollution. This large tree can reach a height and width of 50 feet so having a large enough area to accommodate it is important. Norway maple is a deciduous shade tree in the Sapindaceae (soapberry) family native to northeastern Europe. Fall color has proved to be inferior to other forms.Phonetic Spelling AY-ser pla-tan-OY-dees Description Marketed as being fast-growing and resistant to summer heat. 'Summershade' - A handsome shade tree with a rounded mature form (to 40' tall and wide) and good foliage substance. Color effect is more subtle than 'Crimson King' and is easier to use in landscapes. Foliage emerges maroon, but turns black-green as it matures. Grows larger and more rapidly than 'Crimson King'. 'Schwedleri' - An old cultivar that is a parent of many of the newer red foliage forms. An excellent choice for planting beneath utility lines. 'Globosum' - A truly dwarf form (15' to 18'). 'Emerald Queen' - Increasingly popular for its upright, rounded habit ( to 50' tall and 40' wide) and yellow fall color. Frequently reverts and green sections must be removed or they will overgrow variegated sections because of their greater vigor Somewhat slow growing, developing an oval to rounded head. 'Drummondii' - Possesses light green leaves with with a prominent white edge. Fall color usually a bizarre brownish-maroon. Leaves emerge bright crimson and deepen to maroon which persists throughout the growing season. 'Crimson King' - A very popular cultivar that many consider to be overused. These forms of Norway maple are good choices for street trees. Generally comprised of a single central trunk with short lateral branches. All are upright, columnar forms 10' to 20' wide and 40' to 60' tall. 'Columnare', 'Erectum', 'Olmsted' - Some confusion exists as to the exact characteristics of these 3 cultivars. cultivars by grafting, some by tissue culture.leaves broader than those of Acer saccharum.leaves larger than those of Acer campestre.large, plump green-maroon buds (compare with Acer pseudoplatanus which are always green).seeds freely, get many weed seedling trees. grows too large for residential landscapes.creates very dense shade which kills out turf.shade tree for lawns, parks, industrial parks.tolerant of urban conditions for a maple.milky sap visible when petiole is broken.opposite, 5-lobed leaves, 4" to 7" across.typically 40' to 60' tall, but can reach 90'.Special Note: This species has demonstrated an invasive tendency in Connecticut, meaning it may escape from cultivation and naturalize in minimally managed areas.widely naturalized in the United States.
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