PlantFun
Plant Needs
Sunlight
Full direct sunlight for optimal growth; tolerate partial shade during extreme midday summer heat
Watering
Allow soil to dry completely between waterings; avoid overwatering to prevent root rot
Temperature
Thrives in warm arid conditions; tolerate brief light frosts (5°C) during winter dormancy
Characteristics
- Leaf: Modified into 15–20 radial spines and 1–3 central spines per areole; silver-white to tan in color
- Flower: Small funnel-shaped blooms, pale yellow to white with subtle pink margins
- Stem: Globular to cylindrical green stems covered in raised tubercles with woolly areoles
Care Guide
Watering
Water thoroughly when soil is fully dry; reduce frequency during prolonged heatwaves
Fertilization
Diluted cactus fertilizer once monthly. Use low-nitrogen, high-phosphorus fertilizer to support flowering
Eggshell powder top-dressing：Crush dried eggshells into fine powder; sprinkle lightly on soil surface; avoid direct contact with stems to prevent rotPruning
- Remove dead, shriveled stems to maintain a tidy cluster appearance
- Trim offset pups for propagation if the cluster becomes overcrowded
- Avoid cutting healthy tubercles or spines unless damaged or diseased
Toxicity
Warning: this plant may be toxic.
Pets & Humans
Pets: ASPCA-verified non-toxic; no harmful effects for cats
Humans: No toxic effects reported for human ingestion or contact
Garden Uses & Culture
Culture: N/A
Usage: Ornamental succulent for rock gardens, container displays, and indoor windowsill collections
