Treatment for Spots on the Leaf of a Hydrangea

This is Cercospora leaf spot. It is common on large leaf hydrangeas. It is a fungal disease. Because it is late in the season, it is not really worth treating because the leaves will fall off...
Treatment for Spots on the Leaf of a Hydrangea. Leaf spots on a hydrangea are caused by the fungal infection cercospora. Cercospora Leaf Spot typically appears in late summer and fall. The disease rarely kills hydrangea plants, but it can cause leaves to drop and look unsightly. The fungus spreads through spores that grow on fallen hydrangea...
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