Quercus macrocarpa Michx.

Bur Oak; Mossycup Oak

Tree

Perennial

Vascular

Bur Oak is a native deciduous tree in the Beech family (Fagaceae). It occurs in scattered locations in the Black Belt region of Alabama. It is common in the Midwestern United States, but rare in Alabama. It is listed as an S2 in Alabama (typically 6 to 20 occurrences, few remaining individuals, acres, or miles of stream, or factors demonstrably making it very vulnerable in the state). Bur Oak is a slow growing member of the white oak group. It can reach a diameter of three feet and a height of one hundred feet. It has a life span of 300-400 years. Bur Oak has the largest acorns of any North American oak. The large cup is fringed at the opening, giving this species another of its common names—Mossy Cup Oak. The acorns a favorite food for many species of animals including squirrel, deer, and bears. Large seed crops are produced every two to three years. Bur Oak is a drought tolerant species that grows well in heavy clay soils. It makes an excellent shade tree if you have the space, and is a good food plant for wildlife. Bur Oak seedling and plants are available from many nurseries.--A. Diamond

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Native S2 (State Rank) G5 (Global Rank)

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