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Overwatering in Mammillaria Hahniana
verifiedReviewed by the GreenScout Team
Often called the Old Lady Cactus, this charming mammillaria features fine white hair-like spines covering a small spherical body (2–3 inches diameter)
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Mammillaria Hahniana care requirements
These care conditions are most relevant to overwatering in Mammillaria Hahniana. Check each one as a potential cause.
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Water
Water moderately during growing season (spring/summer) when soil is dry. Reduce water sharply in winter; water sparingly or not at all.
compost
Soil
Fast-draining cactus potting mix with extra perlite or coarse sand.
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Humidity
Very low humidity (below 40%). High moisture promotes rot.
symptoms
Symptoms to look for in Mammillaria Hahniana
- 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 Hahniana
- fiber_manual_recordToo frequent watering
- fiber_manual_recordPoor drainage
- fiber_manual_recordWrong pot size
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How to diagnose overwatering in Mammillaria Hahniana
Push finger 2 inches into soil. If wet, overwatering is occurring.
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How to treat overwatering in Mammillaria Hahniana
Allow to dry out completely. Check drainage holes. Remove rotted roots and repot.
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Preventing overwatering in Mammillaria Hahniana
Always check soil before watering. Use pots with drainage holes. Choose well-draining compost.