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Oriental Arborvitae Pomona

Thuja orientalis 'Pomona'

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Essentials

At a Glance

Plant Type

Tree

Height

120 inches

Width

60 inches

Light

Full Sun

Zones

4, 5, 6, 7, 8

Water

Moderate, drought tolerant once established

Humidity

Prefers moderate humidity

Lifespan

Over 50 years

Native To

East Asia

Toxicity

Non-toxic to humans and pets

The Story

Plant Bio

Thuja orientalis 'Pomona' is an evergreen conifer with dense, scale-like foliage forming a compact, bushy habit, and it produces subtle, aromatic green to yellowish-green foliage throughout the year. This cultivar is distinguished by its particularly dense growth and vibrant, slightly golden hue, making it an excellent choice for ornamental hedges and topiary displays.

Bloom Period:

EarlyLate

Uses & Benefits:

Provides year-round greenery with dense foliage, ideal for privacy screens and borders.

Drought tolerant once established, reduces watering needs.

Provides habitat and shelter for birds and beneficial insects.

Marketplace

Where to Buy

We couldn't find this plant listed online right now.

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Planting

How to Grow

Select well-drained soil and full sun exposure.
Tuck seeds or cuttings into soil, water thoroughly.
Maintain evenly moist soil during first year for establishment.
Mulch around base to retain moisture and suppress weeds.
Prune lightly in early spring to maintain shape.
Monitor regularly for pests and diseases, treat as needed.

Pro Tip

Ensure good drainage and avoid overwatering to prevent root rot.

Keep It Thriving

Care Guide

Do

Water regularly during dry spells 🌱
Prune to shape in early spring
Mulch to conserve moisture

Don't

Avoid overwatering ❌
Do not prune in late fall
Never ignore pest signs

Seasonal Care Calendar

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

Watch Out For

Pests & Diseases

Common Pests

Common Diseases

In the Garden

Landscape Uses & Companions

Landscape Uses

Evergreen hedge with dense foliageFormal border accentWindbreak in garden

Companion Plants

Juniper Boxwood Lavender Roses Hostas

Multiply

Propagation Methods

Good to Know

Common Questions

Oriental Arborvitae Pomona questions

What zones can Oriental Arborvitae Pomona grow in?

Oriental Arborvitae Pomona is hardy in USDA Zones 4–8. Inside that range it survives winter in the ground; outside it, grow it as an annual or a container plant you protect.

Is Oriental Arborvitae Pomona deer resistant?

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

When does Oriental Arborvitae Pomona bloom?

Oriental Arborvitae Pomona typically blooms in early spring through late fall. Exact timing shifts a week or two with your zone — Sow's bloom calendar maps it to your garden.

Does Oriental Arborvitae Pomona need full sun?

Oriental Arborvitae Pomona does best in full sun (6+ hours).