Proper Tree Spacing
Saplings planted near buildings should be spaced to allow for their spread, both above and below ground. A tree planted too close to your home may require repeated pruning that may negatively impact healthy growth of the plant. The size of the tree's canopy is a good indication of the spread of its roots below ground. Invasive root spread can penetrate water and sewer pipes and damage your home's foundation. Spacing trees properly at planting can avoid future problems. Does this Spark an idea?
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Spacing Guidelines
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For potentially large trees such as oaks, maples and spruces, position saplings at least 13 feet away from buildings and other permanent structures. Keep these larger trees at least 8 feet away from sidewalks and driveways, and space the trees a minimum of 13 feet apart. Ornamental or dwarf varieties will not require as much spacing distance to achieve optimum growth. Contact your local nursery or garden center for recommendations regarding specific landscape design and spacing for the trees they sell.
Size and Scale
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Consider the size and shape of the trees you intend to plant. If you're working with a small property, avoid very large trees that may make your space appear even smaller. Ensure that mature trees will not block your view or prevent sunlight from entering your rooms. Deciduous trees planted on the southern and western sides of your yard will provide shade in the hot summer months and shed their leaves to allow sunlight entry to dark rooms in winter.
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Evergreens
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Evergreen trees provide a remembrance of life when deciduous trees lose their foliage and fall dormant during the winter months. Cold winter winds blowing from the north can be effectively blocked by a row of evergreen trees spaced 8 feet or more apart along the northern edge of your property line. Dwarf evergreens provide good foundation plantings to enhance the look of your property without becoming large and unruly. Space these plantings approximately 4 feet apart for best results.
When to Plant
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Deciduous trees are best planted in the fall, after their leaves drop or before the first killing frost of the season. These trees may also be planted in the spring once the frost is no longer in the ground. Evergreens prosper best if planted in early spring or from early August to late October. Remove all vegetation within a 20-inch radius from the edge of your planting hole to maximize the water and nutrients that will feed your newly-planted tree.
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References
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