Acacia Mearnsii - Black Wattle

A fast-growing, medium-sized Australian native tree with a rounded canopy and finely divided, fern-like foliage. It produces masses of pale yellow to cream, fluffy flower clusters that are lightly fragrant and highly attractive to bees. Known for its rapid establishment and nitrogen-fixing ability, it is often used to improve soil fertility and provide quick shelter in revegetation and farm systems. It also has some value as timber tree and for firewood it is generally short lived species approx. 20 years

🌳 Height:
8–15 m

🌿 Width:
5–10 m canopy spread

🔧 Uses:
Shelterbelts and fast windbreak establishment
Soil improvement (nitrogen fixation)
Erosion control and land rehabilitation
Firewood and tannin production (bark)
Habitat and pollen source for bees and insects
Pioneer species in revegetation

🌱 Ideal growing conditions:
Well-drained soils (tolerates a wide range from sandy to clay loams)
Full sun

💪 Tolerates:
Poor soils
Light frost
Moderate wind

💧 Drought hardy:
Moderate

❄️ Frost tolerant:
Moderate — withstands light to moderate frost once established

🧂 Salt tolerant:
Low — not suited to saline soils