Acacia mearnsii
Black wattle · also Late black wattle, Green wattle, Black wattle gum
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Acacia mearnsii, commonly known as black wattle, is an erect tree native to southeastern Australia with smooth bark, bipinnate leaves, and fragrant pale yellow flowers. It can reach heights of 2-15 m and has a conical or rounded crown. In some regions, it is considered an invasive species due to its vigorous growth from seed and root suckers.
Where it grows
Trees in each city's inventory, with the share of that city's named trees this species accounts for.
- 3580.23%—1.9 in
- 250.01%—13 in
- 20.00%—32 in
- 10.00%—23 in
No city in this list records planting dates for this species, so age is blank throughout.
Traits
- Form
- Broadleaf
- Foliage
- Evergreen
- Mature height
- 40 ft
- Canopy spread
- 50 ft
- Water needs
- Moderate
- Drought tolerance
- Moderate
- Roots
- Invasive
- Wildlife value
- Moderate
- Blooms
- Jan, Feb, Mar, Apr, May, Dec
Trunk diameters across every city: median 3.8 in, mean 3.7 in, 90th percentile 5.6 in. Measured at breast height, as published by each inventory.
Native range
Terrestrial ecoregions where this species is native. Trees in the dataset mostly stand well outside it.
Temperate Broadleaf & Mixed Forests
- Southeast Australia temperate forests
Temperate Grasslands, Savannas & Shrublands
- Southeast Australia temperate savanna
Other Acacia in the catalogue
35 of the top 2,000 species are in this genus.
