Knife Leaf Wattle (Acacia cultriformis)

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Size 140mm

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Why we love this plant!

Knife-leaf Wattle stands out with its triangular foliage and clusters of yellow flowers that attract pollinators and provide habitat for birds. Its fast-growing, dense growth offers wind protection and privacy screening, making it a good option for wildlife gardens and sustainable landscaping.

Care Considerations

Watering preferences:

Low to moderate watering; drought-tolerant once established.

Mulching preferences:

Applying organic mulch helps retain soil moisture and suppress weeds.

Fertilising preferences:

Generally not necessary; if needed, use a low-phosphorus native plant fertiliser.

Pruning preferences:

Prune lightly after flowering to maintain shape and encourage dense growth.

Good to Know:

Attractive to native bees and seed-eating birds like the Crimson Rosella (Platycercus elegans).

Plant Details

Common uses:	Privacy screening, Pollinator-friendly, Seasonal colour, Drought hardy/tolerant, Low maintenance garden, Robust/Hardy, Rocky or dry gardens (Xeriscape), Erosion control, Nitrogen fixing, Coastal garden, Attractive foliage, and Feature plant
Expected Height Range:	2 m - 4 m
Spread Range:	2 m - 4 m
Preferred positioning:	Full sun, Partial sun, and Partial shade
Flower Season/s:	Spring
Watering Preferences:	Low to moderate watering; drought-tolerant once established.
Mulching Preferences:	Applying organic mulch helps retain soil moisture and suppress weeds.
Fertilising Preferences:	Generally not necessary; if needed, use a low-phosphorus native plant fertiliser.
Pruning Preferences:	Prune lightly after flowering to maintain shape and encourage dense growth.
Key Characteristics:	Attractive to native bees and seed-eating birds like the Crimson Rosella (Platycercus elegans)..
Flower Colour/s:
Plant life cycle:	Perennial
Habitat:	Native to New South Wales and Queensland, this species thrives in open forests and woodlands, often on rocky hillsides and ridges. It prefers well-drained soils and is commonly found in areas with full sun exposure.
Leaf information:	Triangular, silver-grey leaves (phyllodes) with a leathery texture and sharp angles.
Preferred Soil:	Prefers well-drained, sandy or loamy soils and is highly tolerant of dry, nutrient-poor soils, making it suitable for low-maintenance gardens.

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Important Notice:

The information on this page is intended as a general guide to help you make informed decisions about your garden. It's your responsibility to assess whether this information suits your specific situation and local conditions.

While we work hard to keep our information accurate and current, gardening involves many variables that can affect plant performance and suitability. What works in one garden may not work in another.

Livable Garden Centre doesn't provide guarantees or warranties about the completeness, accuracy, or reliability of this information. We also can't guarantee specific outcomes for plants or products featured on our website. Use this information at your own discretion and risk.

Always consider your local climate, soil conditions, and specific garden needs when making planting decisions. When in doubt, consult with local gardening professionals or extension services.