Well, parts of it are naturally a desert. But plenty of forest and wetlands too. In fact there were even more wetlands before we channelized many of the rivers.

A desert with the tallest trees in the planet.

Trees that evolved to survive wildfires because of the near year-long dry periods.

A state with a diversity of environments. Southern California, dry and dusty. Northern California, green and vibrant.

Northern California is dusty too. But green!

California is a big state. The only true deserts are in the south east part of the state

This is not correct. LA gets its water from hundred of miles away. So does the Bay Area. So does the central valley.