Golden Wattle (Acacia saligna)

Golden Wattle

Acacia saligna

Its golden blooms flood winter with sunlit warmth. Evergreen shrub or small tree; common name: Golden Wattle.

Full sun
1–2/week
Beginner
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Plant Needs

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Sunlight Full sun exposure for optimal flowering; tolerates partial shade but may produce fewer blooms
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Watering Water deeply but infrequently; allow the top 5–10 cm of soil to dry completely between waterings to prevent root rot
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Temperature Thrives in warm temperate to Mediterranean climates; tolerates short periods of light frost down to -2°C
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Characteristics

  • Leaf: Phyllodes (flattened leaf stalks) are linear to lanceolate, glabrous, blue-green, 5–20 cm long
  • Flower: Bright golden-yellow spherical flower heads, clustered in axillary racemes
  • Stem/Bark: Smooth grey-brown bark; young stems are slightly hairy
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Care Guide

Watering

Water regularly during active growth to support foliage expansion

Fertilization

Apply a balanced slow-release fertilizer once at the start of growth. Use a low-phosphorus fertilizer to support nitrogen-fixing root nodules

Eggshell powder topdressing:Crush dried eggshells into fine powder; sprinkle lightly on soil surface to boost calcium levels and deter slugs; avoid mixing raw eggshells directly into soil to prevent odor
Pruning
  • Remove dead or damaged branches in late spring after flowering to maintain plant health
  • Thin dense inner growth to improve airflow and reduce fungal disease risk
  • Cut back overgrown stems by up to one-third to encourage compact, rounded growth
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Toxicity

Warning: this plant may be toxic.

Pets & Humans

Pets: ASPCA: Non-toxic to cats; no known adverse effects from ingestion

Humans: Mild gastrointestinal upset may occur if large quantities of foliage or seeds are ingested

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Garden Uses & Culture

Culture: Symbolizes resilience and seasonal warmth in Australian native gardening

Usage: Ornamental landscaping; erosion control; nitrogen-fixing soil improver for degraded areas