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White Spots in Calathea
verifiedReviewed by the GreenScout Team
Calatheas are prized for their striking patterned leaves that fold up at night
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Calathea care requirements
These care conditions are most relevant to white spots in Calathea. Check each one as a potential cause.
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Humidity
60%+ essential. Use a humidifier.
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Water
Every 1–2 weeks with filtered water.
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Light
Low to medium indirect light. No direct sun.
symptoms
Symptoms to look for in Calathea
- fiber_manual_recordWhite powdery patches
- fiber_manual_recordWhite dots on leaves
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Common causes in Calathea
- fiber_manual_recordPowdery mildew
- fiber_manual_recordMineral deposits from water
- fiber_manual_recordPest damage (mealybugs, scale)
troubleshoot
How to diagnose white spots in Calathea
Powdery mildew: white powder that wipes off. Mineral deposits: hard white crust. Mealybugs: white cottony masses.
healing
How to treat white spots in Calathea
For mildew: apply neem oil or baking soda solution. For deposits: wipe with diluted vinegar. For pests: treat with insecticidal soap.
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Preventing white spots in Calathea
Good air circulation. Avoid overhead watering. Use filtered water.