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Powdery Mildew in Hollyhock

How to identify and treat powdery mildew in Hollyhock.

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Hollyhock care requirements

water
Water regularly; maintain evenly moist soil during growing season and reduce in dormancy
soil
Well-draining soil; tolerates poor to moderately fertile soil; pH 6.0–8.0
light
Full sun; requires 6+ hours of direct sunlight daily for optimal growth and flowering
symptoms

Symptoms to look for in Hollyhock

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

Common causes in Hollyhock

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

healing

How to treat powdery mildew in Hollyhock

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

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Preventing powdery mildew in Hollyhock

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