coronavirus

Leaf Spot in Nasturtium

How to identify and treat leaf spot in Nasturtium.

potted_plant

Nasturtium care requirements

water
Water moderately when soil surface feels dry; reduce watering in cooler months
soil
Well-draining, fertile soil; tolerates poor soil but blooms better with moderate fertility
light
Full sun to partial shade; prefers 6+ hours of direct sunlight daily
symptoms

Symptoms to look for in Nasturtium

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

Common causes in Nasturtium

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

healing

How to treat leaf spot in Nasturtium

Remove affected leaves. Apply appropriate fungicide or bactericide.

shield

Preventing leaf spot in Nasturtium

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