PlantFun
Plant Needs
Sunlight
Full sun to partial sun; tolerate bright indirect light for indoor cultivation
Watering
Water deeply only when the soil is completely dry; avoid standing water to prevent root rot
Temperature
Thrives in 15–30°C; tolerate brief light frost (down to 5°C) in dry, dormant conditions
Characteristics
- Leaf: Modified into short radial spines (10–15 per areole) and 3–4 central spines per areole, pale yellow to light brown
- Flower: Bright yellow, funnel-shaped, 2–3 cm in diameter, blooming from the plant crown
- Stem: Globular green stem with 12–18 distinct, rounded ribs
Care Guide
Watering
Water when soil is fully dry (every 7–10 days)
Fertilization
Diluted cactus fertilizer once monthly. Cease fertilization during autumn and winter dormancy
Eggshell powder topdressing：Grind dried eggshells into fine powder; sprinkle lightly on soil surface to boost soil calcium without risking root burnPruning
- Gently remove dried flower remains and dead spines to maintain appearance
- Detach offset pups in spring for propagation; avoid damaging the main stem
- Minimal pruning required; focus on removing any diseased or damaged tissue
Toxicity
Warning: this plant may be toxic.
Pets & Humans
Pets: ASPCA: Non-toxic to cats; no reported toxicity
Humans: Non-toxic to humans; no known adverse effects from ingestion or contact
Garden Uses & Culture
Culture: N/A
Usage: Ornamental succulent for small rock gardens, windowsills, and succulent arrangements
