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Leaf Spot in Calathea

How to identify and treat leaf spot in Calathea.

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Calathea care requirements

water
Every 1–2 weeks with filtered water.
soil
Well-draining, moisture-retentive mix.
light
Low to medium indirect light. No direct sun.
symptoms

Symptoms to look for in Calathea

  • fiber_manual_recordCircular brown or black spots
  • fiber_manual_recordYellow halos around spots
  • fiber_manual_recordPremature defoliation
help

Common causes in Calathea

Multiple fungal and bacterial pathogens. Favoured by wet foliage and warm temperatures.

healing

How to treat leaf spot in Calathea

Remove affected leaves. Apply appropriate fungicide or bactericide.

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Preventing leaf spot in Calathea

Water at soil level. Improve air circulation. Practise crop rotation.