Boldo (Peumus boldus)

Boldo

Peumus boldus

Aromatic evergreen with medicinal legacy, its glossy leaves carry sharp, resinous scent. Dense shrub or small tree; common name: boldo.

Partial sun
1–2/week
Moderate
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Plant Needs

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Sunlight Full sun to partial shade; tolerate mild drought once established; protect from harsh midday sun in hot regions
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Watering Water deeply when the top 5–7 cm of soil is dry; avoid overwatering to prevent root rot
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Temperature Hardy to mild frost (down to 5°C); prefers temperate to warm temperate climates; avoid extreme heat above 30°C
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Characteristics

  • Leaf: Oval to oblong, glossy dark green, leathery, with aromatic resin glands on underside
  • Flower: Small, pale yellow to white, clustered in axillary inflorescences; lightly fragrant
  • Stem/Bark: Slender, gray-brown bark with fine fissures in mature specimens
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Care Guide

Watering

Keep soil consistently moist but not waterlogged

Fertilization

Diluted balanced fertilizer once every 4 weeks. Cease fertilization in winter when growth slows to avoid nutrient buildup in soil

Eggshell powder topdressing:Crush dried eggshells into fine powder; sprinkle 1–2 tbsp around the base of the plant; gently work into topsoil to boost soil drainage and calcium levels
Pruning
  • Remove dead, damaged, or overcrowded branches in late winter to improve airflow
  • Trim to maintain desired shape after flowering; avoid heavy pruning of mature specimens
  • Remove suckers at the base to prevent overcrowding and promote main stem growth
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Toxicity

Warning: this plant may be toxic.

Pets & Humans

Pets: ASPCA: Toxic; contains alkaloids that cause gastrointestinal upset, lethargy, tremors, and increased salivation

Humans: Contains alkaloids (boldine) that may cause liver irritation and gastrointestinal upset if ingested in large quantities; safe in regulated medicinal doses

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Garden Uses & Culture

Culture: Used in traditional Chilean medicine for digestive and liver support; cultivated as an aromatic ornamental hedge

Usage: Medicinal (regulated doses only), ornamental garden plant, aromatic hedge