Concrete landscape curbing
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Concrete landscape curbing (or concrete landscape bordering) is an alternative to plastic or metal landscape edging made with concrete. Concrete landscape curbing has become more popular over the last decade with hardscape suppliers offering a variety of different pavers and styling options.
Concrete landscape curbing has been installed in every climate in the United States and throughout the world. It is usually installed using a specialized landscape curbing machine based on a design that originated in Australia in the 1970s.
Due to the expensive and laborious installation, concrete landscape curbing is usually utilized to create a permanent border. It is not particularly useful in areas where the landscape is likely to change, for example around a non-permanent swimming pool, which won't last forever, or a pine tree, where the border would need to expand with the tree's growth.
Concrete landscape curbing can be used to highlight and emphasize a flowerbed or other landscaping area. Various colors and stamps are available to achieve different looks. A lawn mower wheel can be run on the curbing, eliminating edging where a curb is installed. Because of its weight, the concrete landscape curbing border acts as a root barrier, and is more elegant looking and will last for years. 
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