Oak trees develop their leaves in the spring during April, May and June. Leaf production depends on when spring temperatures warm the region up, triggering new growth. Oak tree leaves appear at the same time that the oak flowers blossom.
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.