�P��膱$#�1D��(�F ʱ��!���r�r�G��L�3�4�p. They are also more borer-resistant than most birches. /Filter /LZWDecode Native Americans are known to have used this tree in many different medicinal purposes. >> Leaves are 0.75 to 2.5 inches wide, pointed, sharply acute, broadly cuneate to nearly truncate, glaucous with 7-9 veins underneath. Read our Commitment to Diversity | Read our Privacy Statement. Although river birches have some susceptibility to aphids, leaf miner and iron chlorosis in high pH soils, these problems are somewhat minor in comparison to the birch borer. Occasional leaf spots, cankers, rust and mildew, birch leaf miner, aphids, and bronze birch borer. As its name suggests, the river birch naturally grows along riverbanks. This tree is native to North America. [/CalRGB It grows 50 feet tall and 40 feet wide. Plants benefit with a 3 to 4 inch layer of mulch and supplemental water in dry periods. Its fall foliage color is yellow. These scales are slightly separated from the trunk and can shift outward to the side. Native geographic location and habitat. The upper surface of the leaf is dark green in color, while the underside is a light yellow green color. A tree of floodplains and swampy bottomlands, this versatile species also grows well in drier soils. The River Birch has light green, 2 to 3 inch slim, cylindrical flowers and fruiting staminate catkins 2 to 3 inches long that bloom in early spring. Common species of birch include white or paper birch (B. papyrifera), river birch (B. nigra), and yellow birch (B. alleghaniensis). Silver birch is a vigorously sprouting and light-demanding pioneer species which quickly occupies bare ground. The bark peels away year-round and the inner bark varies in hue from light to dark. Betulaceae Betula nigra - river birch: Leaf, alternate, simple, doubly serrate margins, deltoid shape. The river birch tree (Betula nigra L.) is deciduous and grows to a height of 40 to 70 feet with an almost equal spread. Full sun (6 or more hours of direct sunlight a day), Partial Shade (Direct sunlight only part of the day, 2-6 hours), 3b, 3a, 4a, 4b, 5b, 5a, 6b, 6a, 7b, 7a, 8b, 8a, 9b, 9a. Bark color and texture Young bark is thin, reddish brown with warty lenticels. Birds and squirrels eat the male catkins in late winter/early spring. It is the only native birch that does well in low elevations of the south. Birches (Betula) - This group of trees is easily recognized by their beautiful bark. ��#q>&����5L�/���s�a~�J1��5Z�v�j�?���E�o�V�`oT�]xػ\z��巙���f�+��;MZ�� �G�>ݠ�S���,���+n;ꏆ�C�砮�i 4M$���k^� � | ޷�,��S��C̬@�3� Some trees may have naturalized in the wild from yards and gardens, but several populations in New England are native, and the species is listed as rare in New Hampshire and Massachusetts. 'Little King' Form (Stowe Botanical Garden, NC). Although it is better adapted to heat than other birches, not a highly heat-tolerant tree. It is used for fuel, inexpensive furniture, basket hoops, artificial limbs, and toys. Saplings of this tree are often among the earliest colonizers of newly logged ground in southern New England. River birch trees tolerate the summer heat better than paper birch trees, meaning they are better suited to grow in warmer regions. The bark of a young river birch can vary from having a salmon-pink to brown-gray tint and can be described as having loose layers of curling, paper thin scales. 1). No pests or diseases are of major concern. >> /Gamma [1.8 1.8 1.8] Susceptible to leaf miner and scorch, and to leaf spots in wet climates. More Varieties of Birch Cherry birch Betula lenta features dark brown bark. C)���Q$� �v,=��m���Y�QG Small nutlet, about 400,000 seeds per pound, seed is shed in the spring. River birch is widely planted for its appealing, peeling bark and shiny, diamond-shaped leaves. Neoformed leaves remain hairy, especially at the vein axils. The species is valued for its relatively rapid growth, tolerance of wetness and some drought, unique curling bark, spreading limbs, and relative resistance to birch borer. Leaves are used as a tea and in herbal medicines, and sap as a stimulating drink in spring. %PDF-1.1 These different landscapes … Not recommended for the St. Louis climate. Betula is Latin for birch and describes a genus of about 60 species of deciduous trees and shrubs found in many gardens and landscapes throughout the northern hemisphere. But as a landscape tree, it can be planted almost anywhere in the U.S. Host plant for Mourning Cloak and Dreamy Duskywing butterflies. The superior growth habit for this reason, it still has a high heat tolerance salt.! Are closely pressed into thick, irregular plates and opposite leaf arrangement and zigzag growth birch toothed! 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