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THE GARDEN SAGEA library of living things
Trees & woodland lore · Western North Carolina field companion

Bur oak

Quercus macrocarpa

Lobed leaves. Taxon reference; photograph alone does not establish a named cultivar.
Lobed leaves. Taxon reference; photograph alone does not establish a named cultivar.☀ Full sunAndrey Zharkikh ↗ · CC BY 2.0
Photo contextResized and converted to WebP; no diagnostic content altered.

Extremely durable long-lived oak for large sites; enormous acorns and canopy require planning.

Sun Exposure
Full sun
MATURE HEIGHT (FT)
60–80
MATURE WIDTH (FT)
60–80
BLOOM SEASON
Spring
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Get to know this plant.

Identification clue 1

Rounded lobes

Identification clue 2

Often a pinched leaf waist

Identification clue 3

Acorn cups have a shaggy fringe

Read the leaves

The central sinuses often nearly divide the blade, leaving a broad upper portion. Shape varies widely.

More growing details

Read the bark

Mature bark is deeply ridged; young branches may develop corky ridges.

Fruit & seed

A conspicuously fringed cup wraps much of a large acorn: the strongest field clue.

Winter character

Corky twigs and clustered buds help, especially with fallen fringed cups nearby.

Origin & place

Native to central and eastern North America; NC State notes it as a waif in western NC, not a characteristic native mountain oak.

Compare with White oak

White oak lacks the acorn cup's shaggy fringe and typically has more evenly distributed lobes.

WNC Notes

Extremely durable long-lived oak for large sites; enormous acorns and canopy require planning.

Sun Exposure

Full sun

MATURE HEIGHT (FT)

60–80

MATURE WIDTH (FT)

60–80

BLOOM SEASON

Spring

BLOOM COLOR

Catkins

FALL / WINTER COLOR

Yellow-brown

Wet-Soil Tolerance

Moderate

Drought Tolerance

High

LOOK CLOSELY

Two views, a closer look.

Place two photographs beside one another. Compare the overall plant with leaves, flowers, or bark when those views are available. Captions identify what each photograph actually shows. Images are not at the same scale; species references may show different cultivars.

Lobed leaves. Taxon reference; photograph alone does not establish a named cultivar.
Lobed leaves. Taxon reference; photograph alone does not establish a named cultivar.☀ Full sunAndrey Zharkikh ↗ · CC BY 2.0
Photo contextResized and converted to WebP; no diagnostic content altered.
Capped acorns — species reference; cultivar identity not inferred.
Capped acorns — species reference; cultivar identity not inferred.☀ Full sunMatt Levin ↗ · CC-BY-SA 2.0
Photo contextResized and converted to WebP; full original composition retained.

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