The key to effectively and efficiently watering California avocado groves is to water according to need — and the key to that is to consistently track soil moisture data in order to become familiar with the wetting and drying cycles within a grove. Other critical factors are choosing the correct irrigation system for the unique soils and location of your grove as well as consulting with industry experts who can provide recommendations about the proper use of irrigation systems. This article provides an overview of soil moisture data, irrigation system maintenance and the various experts and conservation programs available to California avocado growers.