Threat: High threat environmental weed.
Description: Small evergreen spreading tree or large bushy shrub to 10 metres tall with distinct grey foliage. Includes purple leaf hybrids. Forms dense shade excluding native understorey species.
Flowers: Profuse golden ball-shaped flowers from June to September.
Leaves: Feathery, divided twice, with two to six main divisions, each having 10 to 24 pairs of silvery-blue greyish or purple tinged leaflets. Glands present along leaf axis.
Stems: Smooth and brown, branchlets slightly angled and furrowed, with waxy coating.
Note: Spread by wind, ants over short distances, dumped garden waste, water, and contaminated soil. Can readily hybridize with several local and introduced acacia species; hybrids should also be removed.
Similar indigenous species: Silver Wattle (Acacia dealbata hybrid with A.baileyana).
Control measures: Hand weeding, spot spraying, cut and paint or drill/frill and fill with suitable herbicide, mowing/slashing.
Dispersal: Ants, birds.