Xeriscaping, by definition is landscaping designed for areas that are susceptible to drought and/or properties where conservation is practiced. Evapotranspiration or ET is defined as the evaporation of water from the surface of leaves and the soil. Based on extensive University research on ET rate, the varieties selected for this program fall into one of two water wise categories: ET .25 (XX) indicating the plants water requirements after establishment is ½ inch of water weekly or ET .125 (XXX), which indicates that after establishment  the plant requires only ½ inch of water every two weeks. 

 

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Drought Tolerant Perennials