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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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Pine tree roots are the underground woody growths of a pine tree that anchor it to the ground and take up nutrients and water from the soil. Pines are characterized by a preference for sandy and loamy soils, and their ro... More »

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Pine trees are low-maintenance trees, so they do not require extensive pruning. However, regular pruning can promote denser foliage and maintain an attractive shape and size. More »

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The needles on pine trees turn brown for a variety of reasons, most often including root death or damage, dehydration, fungal diseases and bark beetle infestation. Unfortunately there is little in the way of remedy where... More »

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The average height of a birch tree is around 40 feet tall, but the paper and yellow birch can grow up to 80 feet tall. Of the 60 different types of birch trees, the most notable are the paper, European white, gray and ye... More »

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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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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