String of Pearls (Curio herreanus)

String of Pearls

Curio herreanus

Tiny bead-like leaves trail like a string of living pearls. Succulent trailing perennial; common names: String of Pearls, String of Beads.

Partial sun
1–2/week
Moderate
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Plant Needs

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Sunlight Bright indirect light; tolerate gentle morning direct sun, but avoid harsh midday summer sun to prevent leaf scorching
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Watering Allow the soil to dry out completely between waterings; avoid overwatering to prevent root rot, the most common cause of decline
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Temperature Thrives in temperatures between 15–25°C; protect from frost and keep above 10°C during winter dormancy
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Characteristics

  • Leaf: Spherical, pea-sized succulent leaves with translucent longitudinal stripes for light absorption and water storage
  • Flower: Small, daisy-like white blooms with a subtle cinnamon fragrance, borne on short upright stalks
  • Stem: Slender, delicate green trailing stems that root at nodes when in contact with moist soil
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Care Guide

Watering

Water thoroughly when soil is fully dry; increase frequency slightly during hot, dry periods

Fertilization

Diluted succulent fertilizer applied once monthly. Do not fertilize during winter dormancy to avoid stressing the plant

Banana peel compost tea:Use fully composted banana peels; dilute 1:40 with water for root drenching to avoid burning delicate roots; do not apply to foliage
Pruning
  • Trim leggy stems in early spring to encourage bushier, more compact growth
  • Remove shriveled or dead leaves to maintain plant health and appearance
  • Cut back overgrown stems to refresh the plant and prevent tangling in hanging baskets
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Toxicity

Warning: this plant may be toxic.

Pets & Humans

Pets: ASPCA: Toxic due to pyrrolizidine alkaloids; ingestion can cause vomiting, diarrhea, lethargy, and potential liver damage with repeated exposure

Humans: Ingestion may cause mild gastrointestinal upset including nausea and abdominal pain; prolonged exposure to large quantities may cause liver irritation

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Garden Uses & Culture

Culture: Symbolizes delicate beauty and patience, often used in minimalist indoor decor themes

Usage: Ornamental hanging succulent for indoor shelves, macramé hangers, and terrariums