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Botrytis Blight in Geranium (Pelargonium)
How to identify and treat botrytis blight in Geranium (Pelargonium).
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Geranium (Pelargonium) care requirements
water
Allow to slightly dry between waterings. Drought-tolerant.
soil
Well-draining potting mix or garden soil.
light
Full sun to partial shade.
symptoms
Symptoms to look for in Geranium (Pelargonium)
Fuzzy grey-brown mould on flowers and leaves, particularly in damp conditions, causing affected growth to brown and collapse.
help
Common causes in Geranium (Pelargonium)
Geranium's dense flower clusters and preference for good airflow (rather than the opposite) mean humid, still conditions or overcrowded planting create the perfect environment for Botrytis to take hold.
healing
How to treat botrytis blight in Geranium (Pelargonium)
Remove and destroy affected flowers and foliage promptly, and improve airflow by spacing plants or thinning dense growth.
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Preventing botrytis blight in Geranium (Pelargonium)
Deadhead spent flowers regularly, avoid overhead watering, and ensure good air circulation around plants.