PlantFun
Plant Needs
Sunlight
Full sun exposure for optimal spine color; tolerate partial shade during intense summer heat to prevent sunscald
Watering
Allow soil to dry completely between waterings; avoid overwatering to prevent root rot in cool, low-light periods
Temperature
Thrives in warm, arid conditions; protect from frost below 5°C to avoid tissue damage
Characteristics
- Leaf: Modified into short radial spines and longer, vivid red central spines
- Flower: Tiny funnel-shaped pink blooms forming a ring around the cactus apex
- Stem: Globular green stem with raised tubercles that bear spine clusters
Care Guide
Watering
Water thoroughly when soil is fully dry (every 1–2 weeks)
Fertilization
Diluted cactus fertilizer once monthly. Use low-nitrogen, phosphorus-rich diluted feed to support blooming
Eggshell powder topdressing：Grind dried eggshells to fine powder; sprinkle lightly on soil surface, avoiding direct contact with cactus tubercles to prevent tissue burnPruning
- Remove dead, damaged spines or discolored tubercles to maintain plant health
- Detach overcrowded offset pups for propagation in spring
- Avoid cutting healthy stem tissue; minimal pruning required for compact growth
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 indoor collections, rock gardens, and xeriscaping
