Sustainable landscaping is a term coined to mean sensible landscape practices that work within the limits of the Eco-system. This means within the limits of your local rainfall, soil conditions and sun patterns.
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Photographer: GardenSoft
Maintain a two to four inch layer of mulch on the soil surface to reduce weeds, infiltrate rain water, and reduce compaction.
Drip and other smart irrigation delivers water directly to roots, allowing no excess water for weeds.