tree

Wireless Zelkova

Zelkova serrata 'Schmidtlow'

Not currently listed at our partner nurseries.

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Essentials

At a Glance

Plant Type

Tree

Height

288 inches

Width

420 inches

Light

Full Sun

Zones

5, 6, 7, 8

Water

Moderate

Humidity

Adaptable

Lifespan

Long-lived deciduous tree, 60+ years

Native To

Japan, Taiwan, eastern China

Toxicity

Non-toxic

The Story

Plant Bio

Zelkova serrata, the Japanese Zelkova, is a handsome medium to large deciduous tree, prized for its graceful vase shape, clean foliage, and attractive bark. It is an excellent substitute for American Elm due to its resistance to Dutch elm disease. 'Wireless' (Schmidtlow) is a distinctive cultivar selected for its broad, low-growing, vase-shaped habit that is significantly wider than it is tall. This unique form makes it ideal for planting under utility lines or in spaces requiring a broad canopy without great height.

Bloom Period:

EarlyLate

Uses & Benefits:

The 'Wireless' Zelkova offers a unique silhouette in the landscape with its low, spreading canopy. Its serrated leaves provide fine texture, and the smooth gray bark exfoliates with age to reveal orange inner bark, adding winter interest.

Its specific form is a major practical benefit, allowing it to be used as a street or yard tree in locations with overhead restrictions. It is highly tolerant of urban pollution, compacted soil, and drought once established.

While not a native, it provides nesting sites and cover for birds. Its resistance to diseases that plague elms makes it a sustainable choice for urban forestry, contributing to a healthier and more diverse urban canopy.

Marketplace

Where to Buy

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Planting

How to Grow

Select a site in full sun with well-drained soil.
Dig a hole that is two to three times the width of the root ball.
Ensure the root flare of the tree sits at or slightly above ground level.
Backfill with the excavated soil, breaking up any large clumps.
Water thoroughly to eliminate air pockets and settle the soil.
Apply a 3-inch layer of mulch over the root zone, avoiding the trunk.

Pro Tip

Train young trees to develop a strong central leader and well-spaced scaffold branches to ensure a durable, long-lasting structure.

Keep It Thriving

Care Guide

Do

Water regularly during the first few years to establish a deep root system.
Prune during dormancy to maintain its shape and structural integrity.
Protect the trunk of young trees from lawnmowers and string trimmers.
Monitor for pests like Japanese beetles and elm leaf beetles.

Don't

Do not plant in poorly drained, constantly wet soils.
Avoid excessive fertilization, which can lead to weak growth.
Do not top the tree; this will ruin its natural vase shape.
Don't allow mulch to be piled against the trunk, which can cause rot.

Seasonal Care Calendar

Task	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Fertilize
Plant
Prune

Watch Out For

Pests & Diseases

Common Pests

Common Diseases

In the Garden

Landscape Uses & Companions

Landscape Uses

Perfect street tree for under power linesBroad-canopied shade tree for smaller landscapesUnique architectural specimen for parks

Companion Plants

Hosta sieboldiana 'Elegans' Geranium 'Rozanne' Pennisetum alopecuroides 'Hameln' Spiraea japonica 'Goldmound' Viburnum plicatum f. tomentosum 'Shasta'

Multiply

Propagation Methods

Good to Know

Common Questions

Wireless Zelkova questions

What zones can Wireless Zelkova grow in?

Wireless Zelkova is hardy in USDA Zones 5–8. Inside that range it survives winter in the ground; outside it, grow it as an annual or a container plant you protect.

Is Wireless Zelkova deer resistant?

Yes — Wireless Zelkova is rated deer-resistant. Deer typically pass it over, though extreme hunger can override any plant's defenses.

When does Wireless Zelkova bloom?

Wireless Zelkova typically blooms in early spring through mid-spring. Exact timing shifts a week or two with your zone — Sow's bloom calendar maps it to your garden.

Does Wireless Zelkova need full sun?

Wireless Zelkova does best in full sun (6+ hours).

Is Wireless Zelkova drought tolerant?

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