String of Buttons (Crassula perforata)

String of Buttons

Crassula perforata

Stacked button-like leaves create a trailing geometric charm. Evergreen succulent trailing shrub; common names: String of Buttons, Necklace Vine.

Full sun
1/week
Beginner
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Plant Needs

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Sunlight Bright direct to partial sun; 4–6 hours of daily direct sun enhances red leaf edges; avoid prolonged midday sun in hot climates
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Watering Allow soil to dry completely between waterings; avoid overwatering to prevent root rot
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Temperature Thrives at 18–25℃; tolerates brief dips to 5℃ but is frost-sensitive
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Characteristics

  • Leaf: Opposite, fleshy oblong leaves stacked along stems, forming a "string of buttons" shape; green with red edges in bright sunlight
  • Stem: Slender trailing or upright stems that root easily at leaf nodes
  • Flower: Small star-shaped white to pale pink blooms in terminal clustered inflorescences
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Care Guide

Watering

Water when the top 5 cm of soil is fully dry

Fertilization

Diluted succulent fertilizer once every 2 months. Discontinue fertilization in autumn and winter when growth slows

Eggshell powder top dressing:Grind dried eggshells into fine powder; sprinkle lightly on soil surface to boost calcium content without burning shallow succulent roots
Pruning
  • Pinch back leggy stems to encourage bushier, compact growth
  • Remove dead or yellowing leaves to maintain appearance and improve airflow
  • Trim overgrown trailing stems to propagate new plants from cuttings
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Toxicity

Warning: this plant may be toxic.

Pets & Humans

Pets: ASPCA-verified non-toxic to cats

Humans: No known toxic effects on humans

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Garden Uses & Culture

Culture: N/A

Usage: Ornamental hanging plant, rock garden succulent, container decoration