Cactaceae
Mammillaria elongata 'Cristata'
Also sold as: Cristata
Care at a glance
- Water
- Water deeply only when the soil is completely dry, typically every 2-4 weeks during the growing season. Reduce watering significantly in winter to monthly or less.
- Light
- Provide at least 6 hours of direct sunlight daily; a south-facing window is ideal. It can tolerate some afternoon shade in very hot climates.
- Humidity
- This cactus prefers low humidity, typical of arid environments.
- Temperature
- Maintain temperatures between 60-75°F (15-24°C) during the growing season, and no lower than 40°F (4°C) in winter.
- Soil
- Use a well-draining cactus or succulent potting mix, optionally amended with extra perlite or pumice.
- Fertilizer
- Feed with a diluted low-nitrogen cactus fertilizer once a month during spring and summer.
- Toxicity
- Mammillaria elongata is generally considered non-toxic to pets and humans.
- Propagation
- Propagate easily from offsets (pups) that grow around the base of the plant. Allow cuttings to callus for a few days before planting in dry, well-draining soil.
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