Damiana (Turnera diffusa)

Damiana

Turnera diffusa

Aromatic foliage holds herbal warmth, a sun-loving shrubby herb. Ornamental and medicinal herb; common name: damiana.

Full sun
1–2/week
Beginner
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Plant Needs

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Sunlight Thrives in full sun to partial shade; tolerates hot, dry conditions but benefits from light afternoon shade in extreme heat
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Watering Allow the top 2–3 cm of soil to dry completely between waterings; avoid overwatering to prevent root rot
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Temperature Prefers warm, arid climates; protect from frost below 10°C to prevent leaf damage
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Characteristics

  • Leaf: Small, ovate, aromatic green leaves with serrated margins
  • Flower: Bright yellow, 5-petaled blooms with prominent stamens
  • Stem: Slender, woody stems with fine pubescence
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Care Guide

Watering

Keep soil evenly moist but not waterlogged; increase frequency during prolonged heatwaves

Fertilization

Diluted organic feed once every 4 weeks. Use balanced, low-nitrogen feed to prevent leggy growth; discontinue fertilization in winter

Banana peel compost tea:Compost banana peels for 2–3 weeks, steep in water for 24 hours, dilute 1:20 with water for root drench; avoid applying undiluted compost to prevent root burn
Pruning
  • Trim leggy stems in early spring to encourage dense, bushier growth
  • Deadhead spent flowers promptly to promote continuous blooming through the growing season
  • Remove damaged, yellowing, or diseased leaves to improve airflow and plant health
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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: Large ingestion may cause mild gastrointestinal upset or dizziness; generally safe in moderate culinary/medicinal use

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Garden Uses & Culture

Culture: Used in traditional Mexican herbal medicine for mild calming and digestive support

Usage: Ornamental ground cover in arid gardens; dried leaves used to make herbal tea