Trees are the backbone of the garden. They provide a sense of endurance and stability and produce life-giving oxygen. In the fall deciduous trees add color to the landscape as their leaves change, then drop. Evergreens keep their leaves year-round. Pin oak (Quercus palustris) (figure A) is a deciduous tree native to the eastern United States. It will eventually grow to a height of 60' to 70'; some specimens have reached more than 100'. Poplar (Populus) (figure B) is deciduous and requires regular deep watering. Avoid planting poplars near sewer lines. Maple (Acer) (figure C) is deciduous. Two of the most common species are red maple (A. rubrum) and sugar maple (A. saccharum). Dogwood (Cornus) (figure D) is deciduous, and most species of these ornamental trees produce showy flowers. Eastern white pine (Pinus strobus) (figure E), a coniferous evergreen, grows quickly to 50' to 80', although some specimens may reach 150' or more. Choose carefully before planting trees: you'll have to live with them for as long as you own your home. Select species suited to your site and soil type, and shop at a reputable nursery or garden center.
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