Giant Sensitive Plant (Mimosa pigra)

Giant Sensitive Plant

Mimosa pigra

Its leaves fold at touch, a playful dance of plant sensitivity. Thorny perennial shrub.

Full sun
2–3/week
Moderate
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Plant Needs

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Sunlight Requires full sun to partial shade; thrives in bright, direct sunlight for most of the day, with partial shade during extreme midday heat
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Watering Keep soil consistently moist but not waterlogged; tolerate short periods of drought once established
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Temperature Prefers warm tropical to subtropical temperatures; cannot tolerate frost or temperatures below 10°C
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Characteristics

  • Leaf: Pinnately compound, fern-like leaves that fold when touched or disturbed
  • Flower: Round, fluffy pink pom-pom inflorescences, 2–3 cm in diameter
  • Stem/Bark: Woody, branching stems covered in sharp, recurved thorns for defense
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Care Guide

Watering

Keep soil evenly moist; water deeply when the top 2 cm of soil feels dry

Fertilization

Apply balanced diluted liquid fertilizer every 2 weeks. Cease fertilization entirely during autumn and winter dormancy

Banana peel compost tea:Soak fully composted banana peels in water for 24 hours; dilute the tea 1:20 with water before applying as a root drench to support flowering and stem strength
Pruning
  • Wear thick gloves to avoid injury from sharp thorns during pruning
  • Remove dead, diseased, or overgrown branches in early spring to encourage bushier growth
  • Trim back sprawling stems to maintain a compact shape and prevent invasive spread in garden settings
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Toxicity

Warning: this plant may be toxic.

Pets & Humans

Pets: ASPCA: No known toxicity to cats

Humans: No known toxic effects on humans

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Garden Uses & Culture

Culture: N/A

Usage: Ornamental for its touch-sensitive foliage and fluffy pink flowers; used in traditional folk medicine in some tropical regions