Dark mulch in this landscape adds contrast while providing soil moisture retention,  of particular  importance to California this year considering our drought conditions. So how do you enjoy a beautiful visual landscape with a limited water allotment?  California has always been in the forefront of sustainable planting. Now more so than ever landscape designers and professionals are implementing a “xeriscape” approach to their designs.  This landscape philosophy was originally created in 1981 by the Denver water company integrating seven principals into the design and  approach to water conservation in a garden habitat. Further explanation of these concepts is available in the following link.