Euphorbia Trigona
Euphorbia trigona
houseplantAlso known as African Milk Tree, Euphorbia Trigona is a striking succulent with columnar, three-sided stems and minimal foliage. It makes an excellent architectural houseplant for bright spaces and can grow quite tall indoors. The sap is caustic and toxic, requiring cautious handling.
Common Problems
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Care Guide
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Light
Bright, indirect to direct sunlight; needs 6+ hours of light daily for best growth and shape.
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Water
Water deeply when soil is completely dry; typically every 2–3 weeks in growing season. Minimal water in winter.
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Soil
Well-draining cactus or succulent mix; ensure pot has drainage holes.
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Fertiliser
Feed lightly during growing season (spring/summer) with diluted succulent or balanced fertilizer monthly; skip in winter.
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Temperature
Prefers 65–75°F (18–24°C); tolerates warm conditions but avoid cold below 50°F (10°C).
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Humidity
Thrives in low to moderate humidity; sensitive to excessive moisture.
Toxicity
dangerousToxic to CatsdangerousToxic to DogsdangerousToxic to Children
Caustic white sap can cause severe skin and mucous membrane irritation. Poisonous if ingested. Handle with gloves.
Common Diseases
Common Pests
Seasonal Care
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Resume regular watering and feeding as growth picks up.
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Peak growing season. Water and feed regularly.
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Reduce watering as growth slows. Stop heavy feeding.
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Minimal watering and feeding. Protect from frost if needed.