The Botanical Diary
The Botanical Diary/Diseases/Grey Mold (Botrytis)
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FungalAll season

Grey Mold (Botrytis)

Grey Mold (Botrytis) — a fungal disease affecting garden plants.

Danger level
High
Grey Mold (Botrytis)

Symptoms of Grey Mold (Botrytis)

Grey fluffy mould on stems, leaves, flowers and fruit. Soft brown rot beneath the mould. Spreads rapidly in cool, humid conditions.

How to treat Grey Mold (Botrytis)

Remove all affected plant material immediately. Improve air circulation by thinning plants. Apply fungicides containing iprodione or thiram. Avoid overhead watering and wounding plants.