Coastal Wattle

Acacia sophorae, Fabaceae

Zones

9–11

Layer

Shrub

Lifespan

Perennial

Growth

Moderate

Guild Roles

Nitrogen FixerGround CoverWindbreakPollinator AttractorBeneficial Insect Habitat

Growing Conditions

Sun

Full Sun (preferred)Partial Shade (tolerated)

Water

Low (established)Moderate (seedling)

Soil pH

6 – 8.5

Tolerances

Drought

Frost

Heat

Pest Resistance

Disease Resist.

Companion Plants

Cook's Scurvy GrassLepidium oleraceum

Nitrogen FixationWind Protection

KarkallaCarpobrotus rossii

Nitrogen FixationWind Protection

Giant Pepper VinePiper novae-hollandiae

Physical SupportNitrogen Fixation

Antagonistic Plants

Bitou BushChrysanthemoides monilifera subsp. rotundata

Bitou Bush outcompetes and suppresses coastal wattles through dense growth and allelopathic effects

Sunshine WattleAcacia terminalis

Related coastal acacia species compete for similar ecological niches and resources

Uses

Functions

Erosion ControlSalt ToleranceDune StabilizationWildlife Habitat

Edible Parts

SeedsFlower Buds

Medicinal Uses

AntisepticWound Healing

Common Questions

What zones does Coastal Wattle grow in?

Coastal Wattle grows in USDA hardiness zones 9 through 11.

Is Coastal Wattle a nitrogen fixer?

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

What are good companion plants for Coastal Wattle?

Good companions for Coastal Wattle include Cook's Scurvy Grass, Karkalla, Giant Pepper Vine.

Design guilds with Coastal Wattle and see companion relationships visually.

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