The average size of mature oak trees is 50 to 70 feet tall. Oak trees live more than 200 years and take 20 to 50 years to produce the first crop of acorns. The larger and older the oak tree, then the more acorns it produces.
About this Author
Karen Carter has spent the last three years working as a technology specialist in the public school system. This position included hardware/software installation, customer support, and writing training manuals. She also spent four years as a newspaper editor/reporter at the Willapa Harbor Herald.