Silver Wattle

Acacia dealbata, Fabaceae

Zones

8–10

Layer

Canopy

Lifespan

Perennial

Growth

Fast

Guild Roles

Pollinator AttractorNitrogen Fixer

Growing Conditions

Sun

Full Sun (optimal)

Water

LowLow

Soil pH

5 – 7

Tolerances

Drought

Frost

Heat

Pest Resistance

Disease Resist.

Companion Plants

Mung BeanVigna radiata

Nitrogen FixationBeneficial Insect Habitat

Adzuki BeanVigna angularis

Nitrogen FixationWind ProtectionNurse Plant

Black-Eyed PeaVigna unguiculata

Nitrogen FixationShade ProvisionWind Protection

Antagonistic Plants

Sorghum-Sudan GrassSorghum x drummondii

Silver wattle allelopathic compounds inhibit sorghum-sudan grass establishment

ScallionAllium fistulosum

Acacia produces tannins and other compounds that inhibit growth of herbaceous plants

Blue Gum EucalyptusEucalyptus globulus

Silver wattle and blue gum eucalyptus compete for root space and eucalyptus produces allelopathic compounds affecting acacia growth

Uses

Functions

TimberNitrogen Fixation

Common Questions

What zones does Silver Wattle grow in?

Silver Wattle grows in USDA hardiness zones 8 through 10.

Is Silver Wattle a nitrogen fixer?

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

What are good companion plants for Silver Wattle?

Good companions for Silver Wattle include Mung Bean, Adzuki Bean, Black-Eyed Pea.

Design guilds with Silver Wattle and see companion relationships visually.

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