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Acacia aneura

Mulga

Plant photo of: Acacia aneura
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Information by: Plant Nerd and SelecTree        Photographer: Mountain States Nursery

 

Description

Mulga Acacia (Acacia aneura) is a small evergreen tree native to Australia. It is very drought-tolerant and is appropriate in almost all California-friendly gardens as it only grows up to 20' tall and 20' wide. The foliage is silver-green, making it an excellent specimen tree. As with most Acacias, it is fairly low maintenance, but it can be very messy when it flowers, so it is best to plant it in a location that can absorb the falling flowers. This tree requires very little supplemental water once it is established and usually stays small enough for a homeowner to prune. The tree should be thinned every 18-24 months to allow sunlight to enter the interior, and arching branches can be thinned out to reduce the weight that is causing them to weep. This tree should be planted at least three feet away from any hardscape areas and eight feet from structures such as houses and buildings. Shrubs and perennials should be planted about two feet away from this tree. It should be irrigated for about 45 minutes once a week when using most in-line drip irrigation systems.

 

Plant Type

Tree

Height Range

12-25'

Flower Color

Yellow

Flower Season

n/a

Leaf Color

Grey Green, Silver

Bark Color

Grey

Fruit Color

Brown

Fruit Season

n/a

Leaf Season

Sun

Full

Water

Very Low

Growth Rate

Moderate

Soil Type

Sandy, Clay, Loam

Soil Condition

Average, Poor, Well-drained

Soil pH

Acid, Neutral

Adverse Factors

Allergenic, Messy

Design Styles

Mediterranean, Seascape, Spanish

Accenting Features

Multi-trunk Tree, Showy Flowers, Silhouette, Specimen, Unusual Foliage

Seasonal Interest

Spring

Location Uses

Background, Lawn, Patio, Street Tree, Walls / Fences, With Rocks

Special Uses

Screen, Shade Tree, Small Spaces

Attracts Wildlife

Birds

Water Saving Tip:

Mulching and adding compost to soil can minimize evaporation and help soil absorb and store water.