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Powdery Mildew in Calibrachoa

How to identify and treat powdery mildew in Calibrachoa.

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Calibrachoa care requirements

water
Water regularly when top inch of soil is dry; container plants may need daily watering in hot weather
soil
Light, well-draining potting mix with added perlite or sand for drainage
light
Full sun; requires 6–8 hours of direct sunlight daily for optimal flowering
symptoms

Symptoms to look for in Calibrachoa

  • fiber_manual_recordWhite powdery patches on leaves
  • fiber_manual_recordDistorted new growth
  • fiber_manual_recordPremature leaf drop
help

Common causes in Calibrachoa

Caused by various fungal species. Spreads in warm, dry conditions with high humidity nights.

healing

How to treat powdery mildew in Calibrachoa

Remove affected leaves. Apply neem oil, potassium bicarbonate, or sulphur-based fungicide. Improve air circulation.

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Preventing powdery mildew in Calibrachoa

Space plants for good airflow. Avoid overhead watering. Choose resistant varieties.