Henna Tree (Lawsonia inermis)

Henna Tree

Lawsonia inermis

Its leaves dye skin and hair with warm rust-brown hues, a timeless cultural staple. Deciduous shrub or small tree; common names: henna tree, Egyptian privet.

Full sun
1–2/week
Moderate
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Plant Needs

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Sunlight Thrives in full sun to partial shade; requires direct sunlight for optimal leaf dye production
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Watering Water deeply when the top 5 cm of soil is dry; avoid overwatering to prevent root rot
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Temperature Tolerates warm to hot temperatures; protect from frost below 10°C to prevent leaf damage
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Characteristics

  • Leaf: Opposite, elliptical to lanceolate; glossy green, aromatic when crushed
  • Flower: Clusters of small, white or pale yellow star-shaped blooms; sweet fragrance
  • Stem/Bark: Grayish-brown, smooth when young, becoming fissured with age
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Care Guide

Watering

Water regularly to keep soil slightly moist; increase frequency during extreme heatwaves

Fertilization

Feed with balanced diluted liquid fertilizer every 4 weeks. Discontinue fertilization in autumn and winter when growth slows

Eggshell powder topdressing:Crush dried eggshells into fine powder; sprinkle 1–2 tbsp on soil surface and gently work in to boost soil structure and calcium levels without causing odor or pest issues
Pruning
  • Prune in late winter to shape the canopy and remove dead, diseased, or crossing branches
  • Trim back overgrown stems to maintain compact growth for container cultivation
  • Remove spent flower clusters to encourage new foliage growth and improve air circulation
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Toxicity

Warning: this plant may be toxic.

Pets & Humans

Pets: ASPCA: Non-toxic; no adverse effects from ingestion or contact

Humans: No known systemic toxicity; topical use is safe for most humans, with rare mild skin irritation in sensitive individuals

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Garden Uses & Culture

Culture: Used for body art, hair dye, and traditional wedding ceremonies across North Africa, the Middle East, and South Asia

Usage: Ornamental landscaping; natural red-brown dye production for skin, hair, and textiles; traditional medicinal uses for anti-inflammatory properties