PlantFun
Plant Needs
Sunlight
Full direct sunlight; tolerate partial shade during extreme midday summer heat to prevent sunscald
Watering
Allow soil to fully dry between waterings; avoid overwatering to prevent root rot, especially in cool dormancy periods
Temperature
Thrives in 18–30°C; can tolerate brief dry drops to 5°C during winter dormancy
Characteristics
- Leaf: Reduced to tiny spines arranged in radial and central clusters around raised areoles
- Flower: Pale pink to white funnel-shaped blooms, 1–2 cm wide, circling the cactus crown
- Stem: Globular to slightly cylindrical green stems, covered in raised, nipple-like tubercles
Care Guide
Watering
Water thoroughly when the top 5 cm of soil is completely dry
Fertilization
Diluted low-nitrogen cactus fertilizer once monthly. Use fertilizer diluted to half strength to prevent nutrient burn
Eggshell powder topdressing：Crush fully dried eggshells into fine powder; sprinkle lightly on the soil surface to add calcium without damaging shallow rootsPruning
- Remove dead, shriveled offsets to maintain tidy clumps and improve airflow
- Trim any damaged or discolored tubercles to prevent fungal spread
- Repot only when rootbound; avoid disturbing the shallow, fibrous root system during transplantation
Toxicity
Warning: this plant may be toxic.
Pets & Humans
Pets: ASPCA: Non-toxic to cats
Humans: No known toxicity to humans
Garden Uses & Culture
Culture: N/A
Usage: Ornamental succulent for container displays, rock gardens, and desert landscape plantings
