Bur Oak

Other names

Mossy Cup Oak, Burr Oak

Growth habit

Tree

Perennation

Long-lived polycarpic perennial

Native distribution

Nova Scotia to PA & TX

Location

Peterson Oak Grove

Source of plant

Windrose Nursery

Description

Weakly pyramidal to oval in youth, gradually developing a massive trunk and a broad crown of stout branches. Plants reach 70' to 80' in height with an equal or slightly greater spread; can reach 170' in height. Leaves obovate or oblong, cuneate or occasionally narrow and rounded at base, divided by wide sinuses sometimes penetrating nearly to the midrib in 5-7 lobes. Fall color dull yellow, yellow-green, or yellow-brown. Bark rough, developing deep ridged and furrowed character, usually dark grey in color. Fruit usually solitary, sessile or long-stalked, exceedingly variable in size and shape; nut ellipsoidal or broad ovoid.

USDA Hardiness Zone

4