Hoop Pine (Araucaria cunninghamii)

Hoop Pine

Araucaria cunninghamii

Its tiered branches form a symmetrical evergreen silhouette, like a living spire. Coniferous evergreen tree; common names: Hoop Pine, Moreton Bay Pine.

Full sun
1–2/week
Moderate
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Plant Needs

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Sunlight Thrives in full sun to partial shade; indoor specimens tolerate bright indirect light but grow best with daily direct sun exposure
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Watering Water deeply when the top 5–10 cm of soil is dry; avoid standing water to prevent root rot
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Temperature Optimal growth at 15–25°C; tolerates short light frost (≥5°C) but is sensitive to prolonged freezing temperatures
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Characteristics

  • Leaf: Small, scale-like triangular leaves tightly packed on branchlets; dark, glossy green
  • Stem/Bark: Straight, cylindrical trunk with rough, fissured brown bark
  • Cones: Large globular female cones (10–15 cm diameter) that disintegrate when mature
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Care Guide

Watering

Keep soil consistently moist but not waterlogged

Fertilization

Diluted balanced fertilizer every 4 weeks. Cease fertilization in autumn and winter when growth slows

Eggshell powder topdressing:Crush dried eggshells to fine powder; sprinkle 1–2 tbsp on soil surface and gently work into top layer; avoid direct contact with plant roots
Pruning
  • Remove dead, yellowing, or damaged branchlets to maintain air circulation
  • Trim overgrown tips in spring to control height for indoor potted specimens
  • Avoid heavy pruning as it may disrupt the natural symmetrical growth habit
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Toxicity

Warning: this plant may be toxic.

Pets & Humans

Pets: ASPCA: Non-toxic; no adverse effects reported

Humans: No known toxic effects from ingestion or skin contact

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Garden Uses & Culture

Culture: Symbolizes stability and longevity in Australian suburban landscaping

Usage: Timber production for construction and furniture; ornamental garden and indoor houseplant