Landscaping in America

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Selecting Xeriscape-suitable Plants

Xeriscaping by its original definition uses only plants that have low water requirements, making them able to withstand extended periods of drought. Xeric landscapes are a conscious attempt to develop plantings which are compatible with the environment.

Foundation plantings of shrubs and trees located randomly in the lawn and expanses of green, lush turf, all require vast amounts of water to be sustained. Plantings of this type originated in the eastern United States where rainfall averages 30" or more per year, with a regular distribution over the growing season. This usually allows plants to survive and, in many places, thrive without additional irrigation.

Trying to accomplish the same look and feel in areas of the country that don't get 30" of annual rainfall is a costly mistake and one that xeriscaping tries to correct. The entire concept of Xeriscaping can be broadened to include the entire nation. Instead of trying to plant lawns and other plants better suited elsewhere should be avoided. Using only those plants "native" to the climate would go a long way in reducing many problems.

Xeric landscaping requires a change in styles as well as plant materials. Going native in plant selections is often thought to be synonymous with drought-resistant plants.

Plant selection

CactusWhen selecting new plants, look for plants labeled drought-tolerant. Keep in mind that you will be grouping plants together, according to their sunlight and water needs. Keeping plant with the same requirements reduces or eliminates unnecessary watering.

3 Plant Zones

Following your original site plan, determine which areas of your landscape fall into the three zones listed below and then select planting materials accordingly.

Natural Zones

Plants in these areas survive with no supplemental watering at all. These plants can be native, or cultivated plants adapted to drier conditions and are sometimes more suitable for shaded areas.

Low-Water Zones

Plants in these areas can survive mostly on rainfall, but may need some additional watering in times of extended droughts.

Moderate Water Zone

These areas require frequent waterings and should be limited to serve as focal points. Keep these areas functional, as in entryway flower gardens, small grass areas, or fruit and vegetable gardens.


Ideal plant selections will vary with your geographic areas. The best advice is to consult your local county extension office for a listing of recommended plantings.

 

 

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