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Blackwood Acacia

Acacia melanoxylon, Fabaceae

Zones
8–11
Layer
Canopy
Lifespan
Perennial
Growth
Fast

Guild Roles

WindbreakShade ProviderNitrogen Fixer

Growing Conditions

Sun

Full Sun (optimal)Partial Sun (tolerated)

Water

LowModerate

Soil pH

5 – 7.5

Tolerances

Drought
Frost
Heat
Pest Resistance
Disease Resist.

Companion Plants

Arabica CoffeeCoffea arabica
Nitrogen FixationShade ProvisionWind Protection
Yard-Long BeanVigna unguiculata subsp. sesquipedalis
Nitrogen FixationPhysical SupportWind Protection

Antagonistic Plants

Black-Eyed PeaVigna unguiculata

Dense acacia canopy creates heavy shade unsuitable for cowpea growth and root compounds inhibit legume establishment

Wild GarlicAllium ursinum

Dense blackwood acacia canopy and allelopathic compounds suppress wild garlic growth

Uses

Functions

TimberNitrogen Fixation

Common Questions

What zones does Blackwood Acacia grow in?

Blackwood Acacia grows in USDA hardiness zones 8 through 11.

Is Blackwood Acacia a nitrogen fixer?

Yes, Blackwood Acacia is a nitrogen fixer and can help provide nitrogen to neighboring plants in a guild or polyculture.

What are good companion plants for Blackwood Acacia?

Good companions for Blackwood Acacia include Arabica Coffee, Yard-Long Bean.

Design guilds with Blackwood Acacia and see companion relationships visually.

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