Even WITH the fires, California is still feeding most of the nation.
At least the produce part. PA, at 46,055 sq mi, can fit 4 times in California with space left over. Also we have lots of desert to the east in the southern part.
Interesting thing about the fires is that the drop planes can scoop seawater while in flight and drop it on the flames.
I have no doubt that any type of crop can be grown small scale, anywhere. Even at the poles (in a controlled environment). I think that if farms were individualized, feeding local citizens and small individual gardens , that it would be much better for everyone. No more giant grow-for-profit farms. I am seriously contemplating a wall garden for my little place. One like this:
Amazon product
I could grow my own greens that I eat a lot like spinach and lettuce.