Laced Pincushion Cactus (Mammillaria lasiacantha)

Laced Pincushion Cactus

Mammillaria lasiacantha

Fine spines give it a soft, fuzzy charm. Clumping globular succulent; common name: Laced Pincushion Cactus.

Full sun
1–2/week
Beginner
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Plant Needs

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Sunlight Full direct sunlight; tolerate partial shade during extreme midday summer heat
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Watering Water deeply only when the entire soil medium is completely dry; avoid standing water
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Temperature Thrives in warm arid conditions; tolerate brief light frost but avoid prolonged cold below 5°C
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Characteristics

  • Stem: Globular, clumping, covered in dense, fine spines
  • Flower: Small funnel-shaped blooms in pale pink to white, forming a ring around the stem apex
  • Spines: Hair-like radial spines create a fuzzy appearance; short hooked central spines
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Care Guide

Watering

Water when soil is fully dry; slightly increase frequency during active growth

Fertilization

Diluted cactus fertilizer once monthly. Use low-nitrogen, phosphorus-rich diluted feed to support flowering

Eggshell powder topdress:Crush clean, fully dried eggshells into fine powder; sprinkle lightly on soil surface to add calcium without root burn
Pruning
  • Gently remove dead or discolored offsets to maintain clump shape
  • Trim damaged stem tissue with sterile sharp tools to prevent infection
  • Thin overcrowded offsets during spring repotting to improve airflow
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Toxicity

Warning: this plant may be toxic.

Pets & Humans

Pets: ASPCA: Non-toxic to cats

Humans: No known toxic effects to humans

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Garden Uses & Culture

Culture: N/A

Usage: Ornamental succulent for rock gardens, container collections, or indoor sunny displays