Acacia cultriformis (Knife Wattle)
Acacia cultriformis (Knife Wattle)
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Acacia cultriformis (Knife Wattle) is a distinctive, compact, and fast-growing shrub native to Australia. It features long, narrow, curved leaves resembling blades (hence the common name “Knife Wattle”). This hardy plant is ideal for low-maintenance native gardens, rockeries, or coastal areas.
During spring, Knife Wattle produces bright yellow, fluffy flowers that add a splash of colour to the landscape. Its fine foliage creates a soft, textured look, while its ability to tolerate harsh conditions makes it a popular choice for arid and well-drained soils.
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Mature height
2–4 metres
Mature width
2–4 metres
Spacing
3–4 metres
Evergreen/Deciduous
Evergreen
Foliage
Silvery-grey, triangular foliage with bright golden-yellow flower clusters in late winter to early spring
Flowering Period & Fruit Development/Harvest
Late winter to early spring [July–September]
Sun tolerance
Full sun
Maintenance
Low maintenance; tolerates drought and poor soils; prune lightly after flowering to maintain shape; suitable for erosion control and revegetation projects