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Leaf Spot in Calathea Medallion
How to identify and treat leaf spot in Calathea Medallion.
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Calathea Medallion care requirements
water
Maintain consistently moist soil without waterlogging; water when top inch feels dry; prefer distilled or filtered water
soil
Rich, well-draining potting mix combining peat moss, coconut coir, orchid bark, and perlite in balanced proportions
light
Bright, indirect light; tolerates moderate light but avoid direct sun which can bleach leaf patterns and cause damage
symptoms
Symptoms to look for in Calathea Medallion
- fiber_manual_recordCircular brown or black spots
- fiber_manual_recordYellow halos around spots
- fiber_manual_recordPremature defoliation
help
Common causes in Calathea Medallion
Multiple fungal and bacterial pathogens. Favoured by wet foliage and warm temperatures.
healing
How to treat leaf spot in Calathea Medallion
Remove affected leaves. Apply appropriate fungicide or bactericide.
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Preventing leaf spot in Calathea Medallion
Water at soil level. Improve air circulation. Practise crop rotation.