Ok, you discovered my colloquial use of a technical word. I know most Californians live in what is technically a "Mediterranean" climate. But relevant to the to

Ok, you discovered my colloquial use of a technical word. I know most Californians live in what is technically a "Mediterranean" climate. But relevant to the topic at hand: most Californians get well under 20 inches of rain per year. It isn't a "desert" biome, but "Desert" at least gets you in the right mindset. http://ponce.sdsu.edu/california_average_annual_precipitation.html http://ponce.sdsu.edu/california_average_annual_precipitatio... https://gisgeography.com/us-precipitation-map/ https://gisgeography.com/us-precipitation-map/ A cursory google search suggests that grass lawns need the equivalent of 1" of rain per week. Very few people live in the parts of California that get 50+ inches per year, which was the original point. Grass lawns are entirely unsuited to the parts of California where almost everyone lives.