PlantFun
Plant Needs
Sunlight
Full direct sunlight for optimal growth; tolerate partial shade during extreme midday heat in arid regions
Watering
Allow soil to dry completely between waterings; avoid overwatering to prevent root rot in poorly drained soil
Temperature
Thrives in warm arid conditions; tolerate brief light frosts down to 5°C but avoid prolonged cold exposure
Characteristics
- Leaf: Reduced to small, sharp spines along stems; no true foliage leaves
- Flower: Tiny yellow-green cyathia clustered at stem tips; lack true petals
- Stem: Thick, fleshy upright stems covered in milky, resinous sap; dense clumping growth habit
Care Guide
Watering
Water deeply when soil is fully dry; reduce frequency during extended heatwaves
Fertilization
Diluted succulent fertilizer once every 6 weeks. Use low-nitrogen, phosphorus-rich diluted fertilizer during active growth
Eggshell powder topdress：Crush dried eggshells into fine powder; sprinkle lightly on soil surface, avoiding direct contact with stems to prevent irritationPruning
- Wear thick gloves to avoid sap contact; remove dead or damaged stems at the base
- Trim overgrown stems in early spring to maintain compact clump shape
- Avoid excessive pruning to prevent stress and sap leakage
Toxicity
Warning: this plant may be toxic.
Pets & Humans
Pets: ASPCA-confirmed toxic; milky sap causes oral irritation, drooling, vomiting, and diarrhea
Humans: Milky resinous sap causes severe skin and eye irritation; ingestion leads to nausea, vomiting, and gastrointestinal distress
Garden Uses & Culture
Culture: N/A
Usage: Ornamental succulent; traditional medicinal resin (toxic if misused)
