PlantFun
Plant Needs
Sunlight
Full direct sunlight; provide partial shade during peak summer heat to prevent sunscald
Watering
Water deeply only when soil is completely dry; avoid overwatering to prevent root rot
Temperature
Thrives in warm arid conditions; tolerates light frost down to 5°C when soil is dry
Characteristics
- Stem: Globular to slightly cylindrical, blue-green, covered in dense white wool at apex
- Spines: Short, stout radial spines (6–8) and central spines (1–2), pale yellow to brown
- Flower: Small, funnel-shaped, pale yellow to white, emerging from woolly apex
Care Guide
Watering
Water once every 2–3 weeks when soil is bone dry
Fertilization
Diluted cactus fertilizer once monthly. Do not fertilize during dormancy to avoid root burn
Eggshell powder top dressing：Crush dried eggshells into fine powder; sprinkle lightly on soil surface to boost calcium levels without overfeedingPruning
- Remove dead, shriveled offsets to maintain plant health and appearance
- Trim any damaged spines or discolored stem tissue with sterile sharp tools
- Divide overcrowded clumps during spring repotting to propagate new plants
Toxicity
Warning: this plant may be toxic.
Pets & Humans
Pets: ASPCA: No known toxicity to cats
Humans: No known toxic effects on humans
Garden Uses & Culture
Culture: N/A
Usage: Ornamental succulent for container displays, rock gardens, and xeriscaping
