[From the August 2015 issue of the UC IPM Green Bulletin]

Q.  How much water do landscapes use in California?
A.  Landscape irrigation accounts for only about 9% of total statewide developed water use, but the percentage varies widely among communities.  Water applied to landscapes is estimated to account for about 50% of residential water consumption statewide, but the amount varies from about 30% in some coastal communities to 60% or more in many inland suburban communities.

Q.  Does a landscape have to...