PlantFun
Plant Needs
Sunlight
Requires full direct sunlight for optimal growth; tolerate partial shade during extreme midday summer heat
Watering
Water deeply only when the entire soil medium is completely dry; avoid standing water to prevent root rot
Temperature
Thrives in warm arid conditions; protect from frost and temperatures below 10°C to prevent stem damage
Characteristics
- Stem: Columnar, segmented, covered in dense white woolly areoles along vertical ribs
- Spines: Short white radial spines; longer brown or black central spines emerging from areoles
- Flower: Tubular, pale pink or white, opening nocturnally to attract pollinators
Care Guide
Watering
Water every 10–14 days, ensuring full drainage after each watering
Fertilization
Diluted cactus fertilizer applied once monthly. Discontinue fertilization during winter dormancy to prevent nutrient buildup
Eggshell powder topdress：Crush dried eggshells into fine powder; sprinkle a thin layer on soil surface to boost calcium levels and improve soil drainagePruning
- Remove dead or damaged stem segments at the base to maintain plant health and shape
- Trim offset pups near the base for propagation; allow cut ends to callus before planting
- Avoid over-pruning, as excessive cutting can stress the slow-growing cactus
Toxicity
Warning: this plant may be toxic.
Pets & Humans
Pets: ASPCA: Non-toxic to cats; no reported toxic reactions
Humans: Non-toxic to humans; no known adverse effects from contact or ingestion
Garden Uses & Culture
Culture: N/A
Usage: Ornamental cactus for xeriscaping and desert garden displays
