This tree is one of the slowest growing oaks, desirable for its tolerance of different soil conditions due to its long taproot. With a life span of 200-300yrs. Reports have shown this tree growing to massive sizes of 120ft. and it is the most western growing of all the oaks reaching all the way to the foothills of the rockies.
The Bur oak is an outstanding tree in urban conditions able to withstand changing soil conditions caused by the changing lives of the people around them. It is found to be fire resistant and can withstand air pollution. Having medium gray rugged bark and wood that is high quality and usually marketed as "white oak". Branches are very stout lending it to a more rounded shape with age. Leaves are variable in shape being 3-6in long and 2-5in broad with a lobed margin. This tree will flower a striking male catkin being greenish-yellow and female is slightly reddish (a catkin is a cylindrical flower cluster with no petals) in the spring. The flowers will produce large acorns (0.8-2in long 0.8-1.5in broad) that are food for squirrels, wood ducks, wild turkeys, whitetail deer, and rabbits. The leaves will give a cup shape around the flower for this reason it has also been known as the Mossycup Oak. Common diseases include leaf and twig anthracnose, stem decay, and leaf curl. Leaf and twig galls are commonly found but rarely do any real damage to this hardy tree.
Along with this trees strength it will provide a dense large shaded area perfect for relief from the summer sun in any yard. This tree also makes a perfect windbreak in large fields and farmsteads due to its large size and deep rooting. This tree makes a bold statement in any setting with its large trunk, burly branches, and hammered tipped leaves. It is not often seen in the urban landscape but is making a strong comeback do to its strength and versatility.
Burr Oak Tree Seedlings