Acacia baileyana, commonly known as the Cootamundra Wattle, is a fast-growing evergreen tree prized for its feathery, silver-grey foliage and abundant clusters of bright golden-yellow flowers that appear in late winter to early spring. Its striking foliage and vibrant flowers make it a standout feature in any garden, adding a touch of softness and colour during the cooler months.
Ideal as a specimen tree, a screen, or part of a mixed border in Mediterranean, native, or wildlife-friendly gardens. It thrives in full sun and well-drained soil, tolerating dry conditions once established. Space trees at least 4–5 metres apart if planting in groups to accommodate their spreading canopy.
At maturity, Acacia baileyana grows to approximately 6–10 metres in height and 4–6 metres in width, forming a rounded and graceful silhouette. Regular pruning after flowering helps maintain its shape and encourages new growth. Note: In some regions, it may self-seed freely, so monitor for unwanted spread.
Trimming: Prune Acacia baileyana (Cootamundra Wattle) lightly after flowering to maintain shape and remove dead or damaged branches. Regular trimming can help control its size and prevent it from becoming leggy.
Fertilising: Use a low-phosphorus, native plant fertiliser in spring if necessary, as Acacias are sensitive to high phosphorus levels.
Watering: Water deeply during the establishment phase and in prolonged dry spells. Once established, it is drought-tolerant and requires minimal watering.
Pest Control: Acacia baileyana is relatively pest-resistant but may occasionally be affected by psyllids. Treat infestations with horticultural oils or insecticidal soaps.
Disease Management: This species is generally disease-resistant but can occasionally suffer from root rot if planted in poorly draining soil. Ensure the soil is well-draining to prevent issues.
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