Shampoo Ginger (Zingiber zerumbet)

Shampoo Ginger

Zingiber zerumbet

Its pinecone-like bracts hold fragrant nectar, a tropical ornamental with practical use. Herbaceous perennial; common names: shampoo ginger, pinecone ginger.

Partial sun
2–3/week
Moderate
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Plant Needs

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Sunlight Bright indirect light to partial sun; tolerate dappled shade, avoid harsh midday sun that can scorch leaves
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Watering Keep soil consistently moist but not waterlogged; reduce watering frequency slightly during cool, dormant months
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Temperature Thrives in warm tropical to subtropical temperatures; protect from frost below 10°C to prevent rhizome damage
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Characteristics

  • Leaf: Long, lanceolate green leaves arranged in two rows along upright stems; glossy texture.
  • Flower: Showy pinecone-shaped green bracts (modified leaves) with small white flowers emerging between bracts; bracts turn red as they mature.
  • Stem: Thick, fleshy rhizomatous stems that spread underground to form dense clumps.
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Care Guide

Watering

Keep soil evenly moist; mist leaves 2–3 times weekly to boost ambient humidity

Fertilization

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

Banana peel tea:Chop 2–3 banana peels, soak in 1 liter of water for 3 days; dilute the tea 1:10 with water before applying as a root drench to avoid nutrient burn
Pruning
  • Remove yellowing or damaged leaves at the base to maintain airflow and reduce disease risk
  • Cut back spent flower bracts after blooming to redirect energy to rhizome growth
  • Divide overcrowded clumps in early spring to promote healthy new growth
  • Trim dead or withered stems in late winter before new shoots emerge
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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 or contact

Humans: Non-toxic to humans; nectar and rhizomes are safe for culinary and topical use in moderation

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Garden Uses & Culture

Culture: N/A

Usage: Ornamental garden plant; nectar from bracts used as natural shampoo/conditioner; rhizomes have traditional medicinal uses in Southeast Asia