The Economic Times

Hawaii introduced black wattle as a forestry tree; it escaped cultivation and now chokes about 3,000 acres of Maui pasture, gulches, and empty lots

Black wattle has become a formidable invasive force in Hawaii, spreading rapidly beyond its initial planting zones into the island's treasured native ecosystems. This explosive growth is transforming open pastures into impenetrable thickets, effectively pushing out native plant species. With seeds that can lie dormant for extended periods, the challenge of management and restoration is heightened.