Medusa's Head Euphorbia (Euphorbia caput-medusae)

Medusa's Head Euphorbia

Euphorbia caput-medusae

Snake-like stems radiate from a central crown, a desert sculpture of quiet tenacity. Succulent shrub; common name: Medusa's Head.

Full sun
0.5/week
Moderate
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Plant Needs

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Sunlight Full direct sunlight; tolerates partial shade for short periods; avoid prolonged low light
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Watering Water deeply only when the soil is completely dry; avoid overwatering to prevent root rot
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Temperature Thrives in warm, arid conditions; protect from frost below 10°C
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Characteristics

  • Leaf: Reduced to small, spine-like bracts at stem tips; no true foliage leaves
  • Stem: Thick, fleshy central caudex with hundreds of thin, snake-like trailing stems
  • Flower: Tiny, yellow-green cyathia clustered at stem tips; inconspicuous
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Care Guide

Watering

Water once every 10–14 days when soil is fully dry

Fertilization

Diluted cactus fertilizer once monthly. Use low-nitrogen, high-phosphorus fertilizer to promote healthy caudex growth

Eggshell powder topdressing:Crush dried eggshells into fine powder; sprinkle thinly on soil surface to add calcium without burning roots
Pruning
  • Trim dead, withered stems at the base to maintain a tidy crown
  • Remove offset pups in spring for propagation; avoid cutting the main caudex
  • Prune overcrowded stems to improve airflow and prevent fungal growth
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Toxicity

Warning: this plant may be toxic.

Pets & Humans

Pets: ASPCA: Toxic; sap causes oral irritation, vomiting, and skin inflammation

Humans: Milky white sap contains diterpene esters; causes skin irritation and oral swelling if ingested

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Garden Uses & Culture

Culture: Symbolizes resilience and adaptability in arid environments

Usage: Ornamental succulent for rock gardens, container displays, and xeriscaping