PlantFun
Plant Needs
Sunlight
Requires full direct sunlight daily; tolerates intense desert sun exposure with adequate air flow
Watering
Water deeply only when the entire soil substrate is completely dry; avoid overwatering to prevent root rot
Temperature
Tolerates brief light frost down to 5°C; avoid prolonged temperatures below 0°C to prevent stem damage
Characteristics
- Leaf: Modified into sharp, white radial spines (15–20 per areole) and shorter central spines
- Flower: Funnel-shaped, pale pink to magenta blooms with yellow stamens, up to 5 cm in diameter
- Stem: Green, ribbed globular stem with prominent areoles for spine growth
Care Guide
Watering
Water deeply once every 10–14 days when soil is fully dry
Fertilization
Diluted cactus fertilizer once monthly. Use low-nitrogen, high-phosphorus fertilizer to support bloom development
Eggshell powder topdressing：Crush dried eggshells into fine powder; sprinkle lightly on soil surface to slowly release calcium; avoid direct contact with stem basePruning
- Gently remove dead, discolored spines or dried flower remnants to maintain appearance
- Separate offset pups in spring for propagation; use sterile tools to avoid infection
- Trim damaged or rotting stem sections at the healthy green tissue; allow cut to callus before repotting
Toxicity
Warning: this plant may be toxic.
Pets & Humans
Pets: ASPCA: Non-toxic to cats; no adverse effects from ingestion or contact
Humans: No known toxic compounds; ingestion or contact poses no significant health risk
Garden Uses & Culture
Culture: Symbolizes resilience and adaptation to harsh arid environments
Usage: Ornamental cactus for rock gardens, succulent arrangements, or sunny indoor displays
