Acacia mearnsii, commonly known as black wattle, is a fast-growing tree native to southeastern Australia. It features bipinnate leaves and produces small, bright yellow flowers. The tree is valued for its dark, dense timber and tannin production. Acacia mearnsii plays an ecological role as a nitrogen-fixing species and is utilized for erosion control and reforestation. It thrives in sunny locations with well-drained soil and can tolerate a variety of conditions. Propagation is done through seeds or cuttings, and regular pruning helps maintain its shape. Zones 10-11 Germination To germinate Acacia mearnsii seeds, scarify the hard seed coat by nicking or sanding it lightly. Soak the seeds in hot water for 24 hours. Sow the seeds in well-draining soil and lightly cover them. Maintain a consistent moisture level and provide warmth. Germination may take 2-4 weeks. Transplant seedlings when they are sturdy enough. Acacia mearnsii seeds have good viability and can be stored in a cool, dry place.