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Leaf Spot in Geranium Psilostemon

How to identify and treat leaf spot in Geranium Psilostemon.

potted_plant

Geranium Psilostemon care requirements

water
Moderate water needs; keep soil consistently moist during growing season but not waterlogged
soil
Well-draining soil preferred; tolerates various soil types from sandy to loamy
light
Full sun to partial shade; tolerates 3-6 hours of sunlight and benefits from afternoon shade in hot climates
symptoms

Symptoms to look for in Geranium Psilostemon

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

Common causes in Geranium Psilostemon

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

healing

How to treat leaf spot in Geranium Psilostemon

Remove affected leaves. Apply appropriate fungicide or bactericide.

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Preventing leaf spot in Geranium Psilostemon

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