When does Quercus alba bloom?

Quercus alba produces its inconspicuous flowers in April and May, with catkins appearing as new leaves emerge.

How much water does Quercus alba need?

This tree does best with medium moisture but tolerates drier soils once it is established, making it adaptable to a variety of planting sites.

What light conditions does Quercus alba prefer?

Quercus alba grows best in full sun but can tolerate part sun to part shade, especially when young or growing beneath a more open canopy.

Do pollinators use Quercus alba?

Bees and beetles visit the spring catkins of Quercus alba for pollen, and the tree also supports many moth and butterfly larvae as a host plant.

What is the growth habit of Quercus alba?

Quercus alba is a long lived deciduous tree that develops a broad, rounded crown and can reach well over 60 feet at maturity in favorable growing conditions.

Is White Oak toxic to livestock?

The USDA PLANTS Database does not flag White Oak as toxic to livestock.

Is White Oak HOA-friendly?

White Oak is generally an HOA-friendly choice in the right placement, with moderate maintenance.

White Oak

Name: Pollinator Patch
Author: Pollinator Patch

Quercus alba

Last reviewed: October 2026

Quercus alba is a large deciduous shade tree that blooms in April and May, growing best in full sun with medium water needs across a range of soils.

White Oak (Quercus alba) is not on the ASPCA Animal Poison Control Center toxic plant list for dogs or cats (aspca.org (opens in new tab), last reviewed 2026-05-21). If your pet shows symptoms after eating any plant, call the ASPCA at (888) 426-4435.

The USDA PLANTS Database (opens in new tab) does not flag White Oak as toxic to livestock.

Light

full sun

Water

medium

Size

960"–1200" H × 720"–960" W

Bloom

Apr, May

Native to

AL, AR, CT, DE and 31 more states

Pollinators

bees, beetles, butterflies

Before you buy

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White oak is a majestic native tree that develops a broad, rounded crown with distinctive lobed leaves that turn bronze to wine-red in fall. This long-lived species grows slowly but steadily, eventually becoming a substantial shade tree perfect for large properties. The sturdy trunk and well-balanced branching pattern create an classic, stately appearance.

Growing White Oak

Grow White Oak in full sun and medium water. Mature plants reach 960 to 1200 inches tall and spread 720 to 960 inches wide. Expect moderate maintenance to keep it looking intentional in a front yard.

In an HOA neighborhood

White Oak is an HOA-friendly choice. Maintenance level: moderate. Tidiness: 4 out of 5.

Works well in: front yard, street edge, mid zone.

Very large mature size requires adequate space
Acorn drop in fall may need cleanup

Wildlife value

Host plant for banded hairstreak, gray hairstreak, white-M hairstreak.

White oak supports over 500 species of butterflies and moths, making it one of the most valuable native trees for wildlife. It provides nesting sites for birds and produces acorns that feed squirrels, chipmunks, and other wildlife.

Common questions

When does Quercus alba bloom?: Quercus alba produces its inconspicuous flowers in April and May, with catkins appearing as new leaves emerge.
How much water does Quercus alba need?: This tree does best with medium moisture but tolerates drier soils once it is established, making it adaptable to a variety of planting sites.
What light conditions does Quercus alba prefer?: Quercus alba grows best in full sun but can tolerate part sun to part shade, especially when young or growing beneath a more open canopy.
Do pollinators use Quercus alba?: Bees and beetles visit the spring catkins of Quercus alba for pollen, and the tree also supports many moth and butterfly larvae as a host plant.
What is the growth habit of Quercus alba?: Quercus alba is a long lived deciduous tree that develops a broad, rounded crown and can reach well over 60 feet at maturity in favorable growing conditions.
Is White Oak toxic to dogs?: White Oak is not on the ASPCA Animal Poison Control Center toxic plant list for dogs (aspca.org).
Is White Oak toxic to cats?: White Oak is not on the ASPCA Animal Poison Control Center toxic plant list for cats (aspca.org).
Is White Oak toxic to livestock?: The USDA PLANTS Database does not flag White Oak as toxic to livestock.
Is White Oak HOA-friendly?: White Oak is generally an HOA-friendly choice in the right placement, with moderate maintenance.

These answers were drafted with an AI model from this plant's data. Verify care details with a local expert.

Native range data from vouchered herbarium specimen records and regional native plant society lists. Pollinator and host plant associations compiled from GBIF, iNaturalist, and published ecological literature.

If something looks wrong

Common plant problems, and what to check first

These come up on almost any plant. Each guide lists the likely causes in the order they are worth ruling out, with one thing to check before you act on any of them, and links to the source it came from.

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