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Mammillaria cv. 'Ginsa Maru' is a cultivar of Mammillaria, a genus of small, globular cacti native to the Americas. Here's a care sheet based on general guidelines for Mammillaria cacti:


  • Light Requirements: Mammillaria cv. 'Ginsa Maru' prefers bright, indirect light to partial sunlight. It can tolerate some direct morning sun but should be protected from intense afternoon sun, especially in hotter climates.


  • Watering Needs: Water Mammillaria cv. 'Ginsa Maru' sparingly but deeply. Allow the soil to dry out completely between waterings to prevent root rot. During the active growing season (spring and summer), water thoroughly when the top inch (2.5 cm) of soil feels dry. Reduce watering in fall and winter when the plant is dormant.


  • Soil Type: Plant Mammillaria cv. 'Ginsa Maru' in a well-draining cactus mix. A sandy or gritty soil with excellent drainage is essential to prevent waterlogging, which can lead to root rot. Adding perlite or coarse sand to regular potting soil can help improve drainage.


  • Temperature Range: Mammillaria cv. 'Ginsa Maru' prefers moderate temperatures between 65-80°F (18-27°C) during the growing season. It can tolerate slightly cooler temperatures but should be protected from frost, as it is not frost-tolerant.


  • Humidity Preference: Mammillaria cv. 'Ginsa Maru' prefers low humidity levels typical of desert environments. It can tolerate dry air and does not require high humidity.


  • Fertilization: Feed Mammillaria cv. 'Ginsa Maru' with a balanced, diluted fertilizer formulated for cacti once a month during the growing season (spring and summer). Avoid fertilizing during fall and winter when the plant is resting.


  • Propagation Methods: Mammillaria cv. 'Ginsa Maru' can be propagated from offsets (pups) that develop around the base of mature plants. Allow offsets to dry and callus for a few days before planting them in well-draining soil.


  • Pruning Requirements: Minimal pruning is typically needed. Remove any dead, damaged, or diseased parts of the cactus with clean, sharp scissors or pruning shears to maintain its aesthetic appeal.

Pests and Problems:

  • Pest Control: Monitor for common cactus pests such as scale insects or spider mites. Treat infestations promptly with insecticidal soap or neem oil. Ensure good air circulation around the plant to prevent fungal issues.

Potting and Repotting:

  • Repotting Needs: Repot Mammillaria cv. 'Ginsa Maru' every 2-3 years or when it outgrows its container. Choose a slightly larger pot with drainage holes to accommodate its root system.

Special Care Notes:

  • Mammillaria cv. 'Ginsa Maru' is slow-growing and can live for many years with proper care.
  • Protect the cactus from prolonged exposure to temperatures below 50°F (10°C), as cold temperatures can damage or kill the plant.
  • Avoid overwatering, as this can lead to root rot. Err on the side of underwatering, especially during the dormant winter period.

By following these care guidelines, you can help your Mammillaria cv. 'Ginsa Maru' thrive and maintain its compact, globular shape in your cactus collection or garden.

Mammillaria cv. 'Ginsa Maru'

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