Spurge (Euphorbia)

Spurge

Euphorbia

Milky sap defines its quiet defense, a diverse genus of succulents and shrubs. Broad genus of flowering plants; common name: Spurge.

Full sun
1–2/week
Moderate
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Plant Needs

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Sunlight Full sun to partial shade; succulent species tolerate intense direct sun, while non-succulent varieties prefer filtered light
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Watering Water thoroughly only when the top 2-3 cm of soil is completely dry; avoid overwatering to prevent root rot
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Temperature Hardy species tolerate mild frost down to 5°C; succulent varieties require temperatures above 10°C in winter
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Characteristics

  • Leaf: Variable shape from linear to ovate; many succulent species have reduced, spine-like leaves
  • Flower: Tiny cyathia (false flowers) clustered in umbels; often surrounded by colorful bracts
  • Stem: Fleshy, succulent stems in many species; contains milky white latex sap
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Care Guide

Watering

Keep soil slightly moist for non-succulent species; allow full dryness between waterings for succulents

Fertilization

Diluted balanced liquid feed once monthly. Discontinue fertilization in autumn and winter to support dormancy

Banana peel compost tea:Steep fully composted banana peels in water for 24 hours; dilute 1:20 before applying as a root drench to avoid sap burn
Pruning
  • Remove dead stems and spent flower clusters to promote new growth
  • Trim succulent species in spring to maintain a compact, desired shape
  • Wear gloves when pruning to avoid contact with milky latex sap
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Toxicity

Warning: this plant may be toxic.

Pets & Humans

Pets: ASPCA: Toxic; causes oral irritation, vomiting, diarrhea, and excessive drooling

Humans: Milky latex sap causes skin irritation; ingestion leads to oral pain and swelling

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Garden Uses & Culture

Culture: N/A

Usage: Ornamental landscaping; some species used in traditional medicine with strict toxicity precautions