Black Acacia

Acacia melanoxylon

Acacia melanoxylon (Black Acacia) - full view

Full view

Acacia melanoxylon (Black Acacia) - full view

Full view

Acacia melanoxylon (Black Acacia) - leaves & flower

Foliage detail

  • Size:

    Height: 40'; Spread: 20'

  • Growth:

    Fast

  • Character:

    Evergreen; conical or rounded form, dense upright branching habit.

  • Foliage:

    Dull, dark-green, 2-4" oblong leaves.

  • Flower:

    2-3" axillary racemes of fragrant, 1/4", white-cream colored flowers. Not showy.

  • Fruit:

    2-4" purple-brown legumes. May be twisted or flat. Appear in summer.

  • Bark:

    Slightly rough, dark brown may look almost black, scaly fissures.

  • Watering:

    In general, 15-20 gallons per week for the first 2 years; 15-20 gallons twice a month for the 3rd year; as needed after 3 years (varies by soil, sun, and wind conditions).

  • Tree Care:

    High. Water deeply to discourage shallow roots. Prune sucker growth.

  • Tolerance:

    Drought (once established); poor soils; hot dry climates; smog; medium winds.

  • Special Considerations:

    Canopy may grow too large for some street-side locations. Roots are invasive towards water sources, but typically do not break concrete.

  • Notable Traits:

    Native to Australia and Tasmania. Very good as a solid screen tree.