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Pine trees can be identified by examining their needles, bark, cones and growth form and comparing the results to a field guide or dichotomous key. Additionally, considering the geographic location of the trees can reduc... More »

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Hemlock trees are characterized by wide, linear needles with short, rounded ends. Unlike many types of evergreen trees, the hemlock's needles grow on small stems attached to twigs and are one of the tree's most distingui... More »

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The Iowa State University Extension explains one way to differentiate between a spruce tree and a pine tree is to look at the needles. Spruce needles grow directly from a branch individually, and pine needles grow in bun... More »

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Eastern white pine trees grow more than 100 feet tall and are up to 4 feet in diameter, with needles that are bluish-green in color that are anywhere from 2.5 to 5 inches long in bundles of five. Cones, which bear the se... More »

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The Japanese black pine tree is an evergreen tree native to Japan and is known for its black or silver bark. They are typically found along Japan's coastline but may also be found in South Korea. More »

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Several commonly planted trees have white bark, including varieties of birch, sycamore and poplar. Among these trees, however, the look of the bark and trunk and their particular shade of white can differ greatly. Thus, ... More »

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Mugo pines should be trimmed every year in the spring before the needles open. The most vigorous new growth should be trimmed first, followed by a second trimming a week later. More »

www.reference.com Home & Garden Gardening & Landscapes Trees & Bushes