PlantFun
Plant Needs
Sunlight
Full direct sunlight for 6–8 hours daily; tolerate partial shade during extreme midday summer heat to prevent sunscald
Watering
Allow soil to dry completely between waterings; avoid overwatering to prevent root rot, especially in cool months
Temperature
Thrives in warm, dry conditions; tolerate brief light frosts (down to 5°C) only when soil is fully dry
Characteristics
- Stem: Globular, bright green, covered in raised tubercles with small areoles; forms dense clumps over time
- Spines: Fine radial spines (white, hair-like) and short central spines (pale brown), arranged in neat circles around each areole
- Flower: Small, funnel-shaped blooms (pale pink to white) that emerge in a ring around the stem's crown
Care Guide
Watering
Water thoroughly when soil is completely dry (every 1–2 weeks)
Fertilization
Diluted cactus fertilizer once monthly. Use a low-nitrogen, phosphorus-rich diluted fertilizer to support flowering
Eggshell powder topdressing：Crush dried, rinsed eggshells into fine powder; sprinkle lightly on the soil surface once every 3 months; avoid direct contact with cactus stems to prevent rotPruning
- Remove dead, shriveled stems from clumps to maintain airflow and appearance
- Trim any damaged or broken spines with sterile tweezers if needed
- Divide overcrowded clusters in early spring for propagation and to reduce competition
Toxicity
Warning: this plant may be toxic.
Pets & Humans
Pets: ASPCA: Non-toxic to cats; no reported adverse effects
Humans: No known toxic effects on humans
Garden Uses & Culture
Culture: N/A
Usage: Ornamental succulent for small indoor displays and outdoor rock gardens
