Species

tree

Cootamundra Wattle

The Story

Plant Bio

Acacia baileyana is an evergreen Australian tree or large shrub featuring finely divided, feathery blue-grey foliage and an open, weeping habit. In late winter and early spring, it produces dense clusters of bright yellow, globular flower heads that cover the canopy.

'Purpurea' is distinguished by its new growth, which emerges in shades of deep purple and bronze-plum before maturing to silvery-grey. This cultivar retains the same growth rate and heavy winter flowering as the parent species while providing strong foliage contrast.

Uses & Benefits:

Provides year-round interest with its weeping form, silvery-blue mature foliage, and contrasting purple new growth, accented by bright yellow winter blooms.

Acts as an effective windbreak or screen in dry, coastal, or Mediterranean-style landscapes due to its high drought tolerance.

Provides early-season pollen and nectar for bees and other beneficial insects when few other plants are in bloom.

SpeciesAcacia baileyanaCootamundra Wattle

Essentials

At a Glance

Plant Type

Tree

Height

196"

Width

157"

Light

Full Sun

Zones

8, 9, 10

Water

Low

Humidity

Moderate

Lifespan

15-20 years

Native To

Australia

Toxicity

Non-toxic

Bloom period

Late winter – Early spring

In flower about 2 months of the year

Planting

How to Grow

Select a planting site in full sun with highly permeable, well-draining soil to prevent root rot.
Dig a hole twice as wide as the root ball but of equal depth, ensuring the crown sits level with the surrounding soil.
Water deeply immediately after planting to settle the soil, then establish a deep, infrequent watering schedule.
Apply a light layer of organic mulch around the base, keeping it clear of the main trunk to avoid moisture retention.

Pro Tip

Prune immediately after flowering finishes, cutting only the soft new growth; pruning back into old, leafless wood prevents dormant buds from reshooting and can kill the branch.

Keep It Thriving

Care Guide

Do

Prune lightly immediately after the spring bloom to maintain shape and density.
Ensure the soil drains rapidly, as waterlogged conditions quickly trigger fungal root decline.
Provide full sun exposure to maximize the purple coloration of the new foliage.

Don't

Do not prune hard into old, thick, leafless wood, as the plant cannot regenerate from dormant buds on old stems.
Do not apply heavy high-phosphorus or high-nitrogen fertilizers, as this species requires minimal supplemental feeding.
Do not plant in low-lying areas or heavy clay basins where water pools.

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

Specimen TreeFoliage ContrastScreeningMediterranean GardenDry Borders

Companion Plants

Ceanothus Salvia apiana Arctostaphylos densiflora Romneya coulteri

Multiply

Propagation Methods

Good to Know

Common Questions

Cootamundra Wattle questions

What zones can Cootamundra Wattle grow in?

Cootamundra Wattle is hardy in USDA Zones 8–10. Inside that range it survives winter in the ground; outside it, grow it as an annual or a container plant you protect.

Is Cootamundra Wattle deer resistant?

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

When does Cootamundra Wattle bloom?

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

Does Cootamundra Wattle need full sun?

Cootamundra Wattle does best in full sun (6+ hours).

Is Cootamundra Wattle drought tolerant?

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