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Quercus macrocarpa

Bur Oak, Mossy-cup Oak

Pronunciation
KWER-kus ma-kro-CAR-pa
Pronunciation Audio
Family
Genus
Nativity

Nova Scotia to Pennsylvania, west to Manitoba and Texas

Growth Habit

Somewhat pyramidal to oval in youth becoming broad-crowned with age. Can be irregular and shrubby. Slow growth rate.

Hardiness
2
Culture

Rich, deep, well-drained soils in full sun. Adaptable to many different soils.

Facultative Status
Facultative
Landscape Use

Mossycup oak is a beautiful tree for a large landscape area. Taprooted and difficult to transplant, but drought- resistant.

Foliage

Alternate, simple, 4 to 10 inches long, obovate, base wedge-shaped, leaf shaped like a fiddle. There are 2-3 rounded lobes on upper half of leaf and 5-7 additional lobes on lower half of leaf. Yellow-brown blotchy fall color.

Buds

Buds are .125 to .25 inches long.

Bark

Thick, rugged, ridged, dark gray.

Fruit

Nut (acorn) .75 to 1.5 inches long. Involucre (cup) covers half to three-quarters of nut and is fringed. Acorn matures first year.

Propagation

Seed.

Pests
Numerous.

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