Astrophylum Tricostatum Nudum

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When I tell you I have been searching for this plant for 3 YEARS!!!! Available in 3 sizes! But only 7 total plants available
  • Origin: Astrophylum Tricostatum Nudum, commonly known as the Star Cactus or Three-Ribbed Cactus, is native to the arid regions of Mexico and the southwestern United States.
  • Common Name(s): Star Cactus, Three-Ribbed Cactus.
  • General Care: The Star Cactus is a charming and unique cactus that requires minimal care, making it suitable for cactus enthusiasts of all levels. It prefers well-draining soil and infrequent watering, allowing the soil to dry out between waterings to prevent root rot. Place it in a location with bright, indirect light to maintain its compact and striking appearance. Be cautious when handling the cactus, as its spines can cause irritation and its sap may be toxic if ingested.
  • Growing Period: The Star Cactus has a slow growth rate and maintains a small size, typically reaching a height of 4-6 inches.
  • Soil Recommendations: Use a well-draining cactus or succulent potting mix. Incorporate perlite or coarse sand to improve drainage and prevent overwatering.
  • Hardiness Zones: The Star Cactus is best grown as a houseplant or in containers. It thrives in warm temperatures and is not frost-tolerant.
  • Light Needs: The Star Cactus prefers bright, indirect light. It can tolerate some direct sunlight, but avoid prolonged exposure to intense, scorching rays that may damage its delicate structure.
  • Pet Safety: The spines of the Star Cactus can cause irritation, and its sap may be toxic if ingested. Keep it out of reach of pets to ensure their safety.
  • larger than 2.5".

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FOR WINTER MONTHS: If you experience sustained cold weather temperatures under 38 degrees, we encourage you to add a 72-Hour heat pack to your order to ensure the safest arrival of your new plants during cold weather conditions.  To order a 72-Hour heat pack, click HERE.