Species

Ulmus parvifoliaChinese Elm

4 other cultivars

tree

Chinese Elm

Ulmus parvifolia 'Bosque'

The Story

Plant Bio

Ulmus parvifolia, commonly known as Chinese elm, is a tough, adaptable deciduous tree native to East Asia that develops a broad, rounded canopy and distinctive exfoliating bark in shades of gray, orange, and brown. The small, glossy green leaves turn shades of purple, yellow, and orange in fall before dropping, while inconspicuous flowers appear in late summer.

'Bosque' is a patented clonal selection distinguished by its highly uniform, upright-ascending branching and a strong central leader that forms a symmetrical, oval canopy. This cultivar is propagated asexually to guarantee these precise structural traits, which are absent in variable seed-grown specimens.

Uses & Benefits:

Features a highly uniform, symmetrical canopy and striking multicolored exfoliating bark in shades of gray, tan, and orange.

Highly resistant to Dutch Elm Disease and urban air pollution, making it an excellent street tree.

Provides nesting sites and perches for songbirds, while hosting beneficial insects.

SpeciesUlmus parvifoliaChinese Elm

Essentials

At a Glance

Plant Type

Tree

Height

600"

Width

480"

Light

Full Sun

Zones

5, 6, 7, 8, 9

Water

Low to Moderate

Humidity

High

Lifespan

Long-lived

Native To

East Asia

Toxicity

Non-toxic

Bloom period

Late summer – Fall

In flower about 4 months of the year

Planting

How to Grow

Plant in a full-sun location with well-drained soil, though the tree adapts to clay, sand, and varying pH levels.
Water deeply and regularly during the first two growing seasons to establish a deep, drought-tolerant root system.
Apply a layer of organic mulch around the root zone to conserve moisture, keeping it clear of the trunk.
Prune in late winter to remove crossing branches and maintain the strong central leader.

Pro Tip

Prune in late winter to establish a clean trunk and clear crossing branches, taking care not to over-stake or use tight ties that can scar the delicate exfoliating bark.

Keep It Thriving

Care Guide

Do

Mulch the root zone to retain moisture and protect the trunk from lawnmower damage.
Prune in late winter to maintain a clean, upright structural framework.

Don't

Do not use tight tree ties or stakes that can girdle and scar the delicate exfoliating bark.
Do not prune heavily into old, thick wood that lacks visible growth buds.

Seasonal Care Calendar

Task	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Fertilize
Mulch
Pest Check
Prune

Watch Out For

Pests & Diseases

Common Pests

Common Diseases

In the Garden

Landscape Uses & Companions

Landscape Uses

Shade TreeStreet TreeSpecimen PlantUrban Planting

Companion Plants

Vinca minor Liriope muscari Hemerocallis Taxus media

Multiply

Propagation Methods

Good to Know

Common Questions

Chinese Elm questions

What zones can Chinese Elm grow in?

Chinese Elm is hardy in USDA Zones 5–9. Inside that range it survives winter in the ground; outside it, grow it as an annual or a container plant you protect.

Is Chinese Elm deer resistant?

Not reliably. Deer may browse Chinese Elm, especially tender spring growth — plan on repellents or fencing where pressure is high.

When does Chinese Elm bloom?

Chinese Elm typically blooms in late summer through fall. Exact timing shifts a week or two with your zone — Sow's bloom calendar maps it to your garden.

Does Chinese Elm need full sun?

Chinese Elm does best in full sun (6+ hours).

Is Chinese Elm drought tolerant?

Yes — once established (usually after the first full season), Chinese Elm handles dry spells with minimal watering. Water deeply its first year to build the root system that makes that possible.