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Overwatering in Mammillaria Spinosissima
verifiedReviewed by the GreenScout Team
A densely spined mammillaria forming compact rosettes 3–4 inches tall with formidable sharp spination covering the entire body
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Mammillaria Spinosissima care requirements
These care conditions are most relevant to overwatering in Mammillaria Spinosissima. Check each one as a potential cause.
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Water
Water thoroughly during growing season when soil is completely dry. Minimize water in winter, watering only sparingly if at all.
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Soil
Very gritty, fast-draining cactus mix. Add extra perlite, pumice, or coarse sand to prevent moisture retention.
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Humidity
Very low humidity required (below 40%). Damp conditions invite rot.
symptoms
Symptoms to look for in Mammillaria Spinosissima
- fiber_manual_recordYellowing lower leaves
- fiber_manual_recordSoggy soil
- fiber_manual_recordAlgae or moss on soil surface
- fiber_manual_recordRoot rot
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Common causes in Mammillaria Spinosissima
- fiber_manual_recordToo frequent watering
- fiber_manual_recordPoor drainage
- fiber_manual_recordWrong pot size
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How to diagnose overwatering in Mammillaria Spinosissima
Push finger 2 inches into soil. If wet, overwatering is occurring.
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How to treat overwatering in Mammillaria Spinosissima
Allow to dry out completely. Check drainage holes. Remove rotted roots and repot.
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Preventing overwatering in Mammillaria Spinosissima
Always check soil before watering. Use pots with drainage holes. Choose well-draining compost.