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Powdery Mildew in Osteospermum

How to identify and treat powdery mildew in Osteospermum.

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Osteospermum care requirements

water
Water regularly; keep soil consistently moist but well-draining during growing season. Reduce in winter. Avoid waterlogging.
soil
Well-draining potting mix or garden soil with added sand and perlite. pH 6.5–7.0 preferred.
light
Full sun to bright, indirect light; at least 6 hours of direct sunlight daily for abundant flowers.
symptoms

Symptoms to look for in Osteospermum

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

Common causes in Osteospermum

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

healing

How to treat powdery mildew in Osteospermum

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

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Preventing powdery mildew in Osteospermum

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