Watch out the White Oak, also known as, the Monterey Oak is a fast growing tree that can be found almost anywhere from the river bank to the desert. Maybe that is why its scientific name is quercus polymorpha because it has a poly number of places that is can morph and adapt to living in. It is said to be able to grow as tall as 60 – 80 feet, but growing conditions do apply. In a domestic area this beautiful hardy mammoth usually grows about 30 – 45 feet and can spread to 25 – 40 feet. It is an excellent shade tree.