Mulch the Soil Surface to Save Water in Home Landscapes
Mulch may do more for a a garden than make it look nice. Missy Gable of the UC Master Gardener program says that mulch may also help to conserve soil moisture, regulate soil temperature, and inhibit weed growth. Gable recommends coating a garden in two to four inches of fine-to medium-shred bark mulch. Mulches are often available for purchase by the bag or in bulk at home improvement or landscaping material suppliers. For a cheaper option, use yard waste such as plant or grass clippings to enhance and protect soils. Just be sure to leave enough space around the base of the plants to prevent rotting.
Read more here!