coronavirus

Leaf Spot in Calathea Medallion

How to identify and treat leaf spot in Calathea Medallion.

potted_plant

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.

shield

Preventing leaf spot in Calathea Medallion

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