Average Height: Blackjack oak is a small tree, generally 20-30 feet tall.
Average Width: No data
Leaf Description: Leaves are 5-8 inches long, appearing thick with three shallow lobes, each ending in a bristle tip. The upper surface is a shiny green color, the underside appears to be covered in orange brown hairs.
Bark Description: Blackjack oak tree bark is very dark - almost black - and rough.
Twig Description: Blackjack oak trees have stout, dark brown twigs with reddish brown buds that are sharp, and fuzzy.