Robusta Rubber Plant (Ficus elastica robusta)

Robusta Rubber Plant

Ficus elastica robusta

Thick, glossy leaves bring lush tropical calm to interiors. Evergreen foliage shrub; common name: Robusta Rubber Plant.

Partial sun
1/week
Beginner
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Plant Needs

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Sunlight Bright indirect light supports healthy growth; tolerate low light but growth slows; avoid direct midday sun which can scorch leaf edges
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Watering Allow the top 2–3 cm of soil to dry completely before watering to prevent root rot; avoid standing water in saucers
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Temperature Thrives at 18–27°C; avoid cold drafts and temperatures below 12°C which can cause leaf drop
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Characteristics

  • Leaf: Large, oblong leathery dark green leaves with prominent pale midrib; new unfurling leaves have bronze undertones
  • Stem: Woody upright stem that exudes milky latex sap when cut or damaged
  • Inflorescence: Inconspicuous syconium (fig-like) flowers, rarely produced in indoor cultivation
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Care Guide

Watering

Keep soil evenly moist but not waterlogged; check moisture levels weekly

Fertilization

Diluted balanced liquid fertilizer every 2 weeks. Cease fertilization during autumn and winter when growth slows

Banana peel compost tea:Compost banana peels for 2–3 weeks, steep in water for 24 hours, dilute 1:20 with water for root drenching; avoid using raw peels to prevent pest infestations
Pruning
  • Trim yellowing or damaged leaves at the base of the stem to maintain plant health and appearance
  • Pinch growing tips to encourage bushier growth instead of upright, leggy growth
  • Remove leggy stems in early spring to reshape the plant and promote new foliage growth
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Toxicity

Warning: this plant may be toxic.

Pets & Humans

Pets: ASPCA-confirmed toxic; contains ficin protease enzymes that irritate the digestive tract

Humans: Milky latex sap causes mild skin irritation on contact; ingestion leads to oral and throat irritation

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Garden Uses & Culture

Culture: Symbolizes resilience and steady growth in modern interior design

Usage: Ornamental indoor foliage; historically cultivated for natural latex production