spotted hydrangeas - Knowledgebase Question

Avatar for weinberg69
Question by weinberg69
August 10, 2010
my hydranges were planted this spring and i'm in AL (zone 8) w/ this awful heat this year. The plants got spider mites but I sprayed. I see no other bugs on them but the new leaves as well as the old have black discolorations, kind of spotty. any advice?

Answer from NGA
August 10, 2010
Black spots on the leaves usually indicate a disease. If only a few leaves are affected, prune them off. If lots of leaves are involved you may need to use a fungicide on your hydrangea to control the problem. Use a good garden fungicide such as Daconil, according to label directions. Good luck with your hydrangea!

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