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Leaf Spot in Viburnum

How to identify and treat leaf spot in Viburnum.

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Viburnum care requirements

water
Moderate watering; keep soil consistently moist during growing season, reduce in winter
soil
Fertile, well-draining soil; adaptable to most soil types including slightly alkaline soils
light
Full sun to partial shade; prefers at least 4 hours of direct sunlight for best flowering
symptoms

Symptoms to look for in Viburnum

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

Common causes in Viburnum

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

healing

How to treat leaf spot in Viburnum

Remove affected leaves. Apply appropriate fungicide or bactericide.

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Preventing leaf spot in Viburnum

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