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Leaf Spot in Amaryllis

How to identify and treat leaf spot in Amaryllis.

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Amaryllis care requirements

water
Keep soil consistently moist but not waterlogged during active growth and flowering. Reduce watering gradually after flowering, then keep dry during the dormancy period (6–8 weeks) when the bulb rests.
soil
Use well-draining potting soil mixed with perlite or sand. Amaryllis bulbs must not sit in wet soil. Plant bulbs so the top third protrudes above the soil line.
light
Provide bright, indirect light once growth begins. After flowering, move to a very bright location (ideally sunny) to encourage foliage development and bulb strengthening for next season's bloom.
symptoms

Symptoms to look for in Amaryllis

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

Common causes in Amaryllis

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

healing

How to treat leaf spot in Amaryllis

Remove affected leaves. Apply appropriate fungicide or bactericide.

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Preventing leaf spot in Amaryllis

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

Leaf Spot in Amaryllis — Symptoms & Treatment | GreenScout