treeN. America Native

Oregon White Oak

Q: What zones can Oregon White Oak grow in?

Oregon White Oak 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.

Q: Is Oregon White Oak deer resistant?

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

Q: When does Oregon White Oak bloom?

Oregon White Oak typically blooms in spring through spring. Exact timing shifts a week or two with your zone — Sow's bloom calendar maps it to your garden.

Q: Does Oregon White Oak need full sun?

Oregon White Oak does best in full sun to part shade. In hot climates, afternoon shade keeps blooms fresher longer.

Q: Is Oregon White Oak drought tolerant?

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

Quercus garryana

$12.40

The Story

Plant Bio

Quercus garryana, known as the Oregon white oak, is a massive deciduous tree native to western North America that develops a broad, rounded crown and stout, gnarled branching when grown in full sun. Its leathery, dark glossy green leaves feature deeply rounded lobes and shift to muted shades of yellow and brown before dropping in fall.

This species relies on a deep, aggressive taproot system that grants exceptional drought tolerance once established in dry prairies and rocky slopes. In spring, male trees produce pendulous yellow-green catkins alongside emerging light green foliage, later yielding heavy crops of acorns vital to local wildlife.

Uses & Benefits:

Bold, gnarled branching structure with dark glossy foliage and autumn tones.

Extremely drought-tolerant canopy tree suited for dry slopes and native restoration.

Provides essential food and shelter for native birds, mammals, and host insects.

Essentials

At a Glance

Plant Type

Tree

Height

1080"

Width

1080"

Light

Full Sun, Partial Sun

Zones

5, 6, 7, 8, 9

Water

Low

Humidity

Moderate

Lifespan

Perennial

Native To

Western North America

Toxicity

Low toxicity if acorns/leaves ingested in bulk

Bloom period

Spring

In flower about 3 months of the year

Marketplace

Where to Buy

Dancing Oaks

<1 Gal Pot

In Stock$12.40

Shipping costs Year-round shipping Free shipping

Planting

How to Grow

Select a full-sun site with deep, gravelly or well-drained soil far from turf lawns or irrigated garden beds.
Plant young bareroot liners or container saplings in fall or early winter to allow taproot development before spring top-growth begins.
Erect a sturdy wire mesh cage around the young trunk to prevent browsing from deer, rabbits, and rodents.
Water deeply during the first two summers only, allowing the soil to dry completely between applications.
Mulch the root zone lightly with organic matter, keeping mulch pulled back six inches from the trunk flare.

Pro Tip

Sow fresh acorns directly into their permanent outdoor site or deep taproot-friendly pots immediately after fall drop, and strictly avoid summer irrigation near mature trees to prevent fatal phytophthora root rot.

Keep It Thriving

Care Guide

Do

Do plant in full sun with high-drainage, deep soils.
Do protect young saplings with deer mesh cages.
Do prune exclusively during midwinter dormancy to avoid disease vectors.

Don't

Don't irrigate established trees during summer, which invites fatal root rot.
Don't attempt to transplant mature or deeply established specimens.
Don't cut back into old leafless wood without proper structural assessment.

Seasonal Care Calendar

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

Watch Out For

Pests & Diseases

Common Pests

Common Diseases

In the Garden

Landscape Uses & Companions

Landscape Uses

Specimen TreeNative Habitat RestorationShade TreeWindbreak / Shelterbelt

Companion Plants

Festuca idahoensis Symphoricarpos albus Arctostaphylos uva-ursi Camassia quamash

Multiply

Propagation Methods

Good to Know

Common Questions

Oregon White Oak questions

What zones can Oregon White Oak grow in?

Oregon White Oak 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 Oregon White Oak deer resistant?

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

When does Oregon White Oak bloom?

Oregon White Oak typically blooms in spring through spring. Exact timing shifts a week or two with your zone — Sow's bloom calendar maps it to your garden.

Does Oregon White Oak need full sun?

Oregon White Oak does best in full sun to part shade. In hot climates, afternoon shade keeps blooms fresher longer.

Is Oregon White Oak drought tolerant?

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