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Leaf Spot in Watsonia

How to identify and treat leaf spot in Watsonia.

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Watsonia care requirements

water
Moderate during growing season; reduce after flowering. Allow soil to dry between waterings in dormancy.
soil
Well-draining soil; add sand or grit to heavy clay. pH neutral to slightly acidic.
light
Full sun (6+ hours direct sunlight daily)
symptoms

Symptoms to look for in Watsonia

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

Common causes in Watsonia

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

healing

How to treat leaf spot in Watsonia

Remove affected leaves. Apply appropriate fungicide or bactericide.

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Preventing leaf spot in Watsonia

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