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A picture of a Blackwood Acacia

Blackwood Acacia

Acacia melanoxylon

Also known as

Australian Blackwood

Acacia melanoxylon by Eric in SF (CC BY-SA 3.0)

Partial Shade
Moderate watering
Tender

13b

USDA zone

18°C

Minimum temperature

Expected size

Height
Spread

20m

Max

10m

5m

Min

4m

Flowering

  • spring
  • summer
  • autumn
  • winter

More images of Blackwood Acacia

A close up of the yellow flowers of Blackwood Acacia, Acacia melanoxylon.
A close up of the green leaves of Acacia melanoxylon (Blackwood Acacia)
A photo of Blackwood Acacia
A photo of Blackwood Acacia
A photo of Blackwood Acacia

Blackwood Acacia Overview

This is the largest of the acacias. It will grow to about 27m with dull, olive green phyllodes and profuse balls of pale yellow flowers that will appear in the spring. It is drought tolerant and has a aggressive root system that can break up pavements.

Common problems with Blackwood Acacia

How to propagate Blackwood Acacia

Seed

Propagate by seed in the spring.

Cuttings

Root semi-ripe cuttings in summer.

Other uses of Blackwood Acacia

Ornamental tree.