spotted hydrangeas - Knowledgebase Question

HOOVER, Al
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?


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Answer from NGA
August 10, 2010

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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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