Dwarf Chin Cactus (Gymnocalycium baldianum)

Dwarf Chin Cactus

Gymnocalycium baldianum

Compact, rounded form holds soft spines like tiny silver stars. Small flowering succulent; common name: Baldi Chin Cactus.

Partial sun
0.5/week
Beginner
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Plant Needs

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Sunlight Bright indirect to partial direct sunlight; tolerate 2–3 hours of morning direct sun, avoid harsh midday sun
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Watering Water deeply only when soil is completely dry; avoid overwatering to prevent root rot
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Temperature Thrives at 15–25°C; tolerate brief light frost down to 5°C, avoid prolonged temperatures below 10°C
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Characteristics

  • Stem: Globular, blue-green to gray-green; ribbed with 8–11 rounded ribs
  • Spines: Short, curved radial spines (5–8 per areole) in pale white or light brown
  • Flower: Funnel-shaped, pink to magenta; 4–6 cm diameter, blooms from areoles near stem apex
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Care Guide

Watering

Water thoroughly when soil is fully dry (every 10–14 days)

Fertilization

Diluted cactus fertilizer once monthly. Use fertilizer diluted to half strength to avoid burning roots

Eggshell powder topdressing:Crush dried eggshells into fine powder; sprinkle lightly on soil surface to supplement calcium without overfeeding
Pruning
  • Remove dead, dried flower stalks after blooming to maintain neat appearance
  • Trim any damaged or discolored stem sections with sterile tools
  • Avoid excessive handling to prevent spine breakage and stem damage
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Toxicity

Warning: this plant may be toxic.

Pets & Humans

Pets: ASPCA confirms non-toxic to cats; no reported toxicity

Humans: Non-toxic to humans; no known adverse effects from ingestion or contact

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Garden Uses & Culture

Culture: Symbolizes resilience and quiet endurance in succulent collections

Usage: Ornamental succulent for windowsills, rock gardens, and dish gardens