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

Allee lacebark elm

Ulmus parvifolia

Leaves. Taxon reference; photograph alone does not establish a named cultivar.
Leaves. Taxon reference; photograph alone does not establish a named cultivar.☀ Full sunThayne Tuason ↗ · CC BY-SA 4.0
Photo contextResized and converted to WebP; no diagnostic content altered.

Adaptable shade tree with exfoliating bark and strong Dutch elm disease resistance.

Sun Exposure
Full sun
MATURE HEIGHT (FT)
40–50
MATURE WIDTH (FT)
30–40
BLOOM SEASON
Late summer
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Get to know this plant.

Identification clue 1

Small toothed leaves with uneven bases

Identification clue 2

Mosaic exfoliating mature bark

Identification clue 3

Winged fruits in fall

Read the leaves

Look for a subtly unequal leaf base and sharp marginal teeth. Trace alternate attachment on the twig; the imbalance at the base is often less obvious than on American elm.

More growing details

Read the bark

Mature bark sheds patches to reveal tan, orange, gray, and greenish areas.

Fruit & seed

Small papery winged samaras develop in fall, contrasting with spring-fruiting American elm.

Winter character

Patchwork bark and fine alternate twigs remain useful.

Origin & place

An introduced garden species or horticultural hybrid; study it as part of WNC landscapes rather than assume it belongs to the native mountain flora.

Compare with American elm

American elm usually has larger doubly toothed leaves, deeply ridged bark, and spring samaras.

WNC Notes

Adaptable shade tree with exfoliating bark and strong Dutch elm disease resistance.

Sun Exposure

Full sun

MATURE HEIGHT (FT)

40–50

MATURE WIDTH (FT)

30–40

BLOOM SEASON

Late summer

BLOOM COLOR

Inconspicuous

FALL / WINTER COLOR

Yellow-red

Wet-Soil Tolerance

High

Drought Tolerance

Low

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.

Leaves. Taxon reference; photograph alone does not establish a named cultivar.
Leaves. Taxon reference; photograph alone does not establish a named cultivar.☀ Full sunThayne Tuason ↗ · CC BY-SA 4.0
Photo contextResized and converted to WebP; no diagnostic content altered.
close-up photo of colorful, mottled bark — species reference; cultivar identity not inferred.
close-up photo of colorful, mottled bark — species reference; cultivar identity not inferred.☀ Full sunCathy Dewitt ↗ · CC BY 4.0
Photo contextResized and converted to WebP; full original composition retained.
Winged fruits and leaves of lacebark elm — species reference; cultivar identity not inferred.
Winged fruits and leaves of lacebark elm — species reference; cultivar identity not inferred.☀ Full sunPhotographer not named by NC State Plant Toolbox (CC0) ↗ · CC0
Photo contextResized and converted to WebP; full original composition retained.

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