Why California is completely nuts in terms of agribusiness

State of nuts
There are many reasons people may think we’re nuts to live in California, not least of which is having not just one state nut but four. Since Saturday, May 17 is National Walnut Day, we’re shelling out the details on California’s walnut, almond, pistachio and pecan production.
Why we have four state nuts
California’s nut farms are a large part of its agricultural economy. Those farms grow 80% of the world’s almonds and 75% of the world’s walnuts.