Golden Mimosa Tree, Cootamundra Wattle, Bailey Acacia

Acacia baileyana

Family: Mimosaceae
Genus: Acacia (a-KAY-see-uh) (Info)
Species: baileyana (bay-lee-AY-nuh) (Info)



Foliage Color:


Bloom Characteristics:

Flowers are fragrant

Water Requirements:

Average Water Needs; Water regularly; do not overwater

Where to Grow:

Grow outdoors year-round

Suitable for growing in containers


20-30 ft. (6-9 m)


30-40 ft. (9-12 m)


USDA Zone 9a: to -6.6 C (20 F)

USDA Zone 9b: to -3.8 C (25 F)

USDA Zone 10a: to -1.1 C (30 F)

USDA Zone 10b: to 1.7 C (35 F)

USDA Zone 11: above 4.5 C (40 F)

Sun Exposure:

Full Sun


Unknown - Tell us

Bloom Color:

Bright Yellow

Bloom Time:

Late Winter/Early Spring




Other details:

Unknown - Tell us

Soil pH requirements:

5.6 to 6.0 (acidic)

6.1 to 6.5 (mildly acidic)

6.6 to 7.5 (neutral)

Patent Information:


Propagation Methods:

From softwood cuttings

From seed; direct sow after last frost

Scarify seed before sowing

Seed Collecting:

Allow pods to dry on plant; break open to collect seeds


This plant has been said to grow in the following regions:

Exeter, California

North Fork, California

Redding, California

San Anselmo, California

Santa Ana, California

Holiday, Florida

Jeanerette, Louisiana

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Gardeners' Notes:


On Mar 2, 2007, filiagape from Davis, CA wrote:

Do not plant this tree too close to your home. Although I loved having this tree in my yard, (in fact I had two at different times) in a strong (for California, wimpy by much of the rest of the country), my 17-year-old tree lost a very large limb, crashing through the roof, significant damage. The second tree also lost a large limb during a winter storm, fortunately it only damaged a few plants under it.


On Feb 3, 2005, htop from San Antonio, TX (Zone 8b) wrote:

I have not grown this plant. It is one of the Acacias that can be used in bonsai.

If starting from seeds, nick with a knife, then place them in a bath of hot, but not boiling water.Then soak them for 2 days before planting.


On May 4, 2004, DrGermond from Sierra Madre, CA wrote:

Beautiful specimens growing in Central Coastal California (Morro Bay/Los Osos). Grows extremely fast.


On Feb 20, 2003, kennedyh from Churchill, Victoria
Australia (Zone 10a) wrote:

This acacia grows naturally in a small area of New South Wales, but is one of the most popular species for growing in gardens and parks throughout South East Australia.
It flowers very early, my pictures were taken at the end of July, which is the end of Winter here. It is very spectacular in flower, the whole tree being covered with brilliant yellow flowers. It can produce a lot of seed in some years. Last year gang-gang cockatoos came and fed on the seeds, systematically opening every single seed pod before they were ripe, over a period of two weeks.


On Aug 26, 2002, smiln32 from Oklahoma City, OK (Zone 7a) wrote:

A small to medium-sized shrub or tree with silvery green leaves and masses of yellow flowers. Very pretty. Bark is smooth and gray/brownish. Fast grower.