Hydrangea Flower Going Brown. Numerous species of fungus may attack hydrangea leaves causing unattractive brown spots. Secondly if a sprinkler system or hose is hitting the flowers frequently this will also cause the petals to go brown.
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Hydrangea leaves turning brown due to temperature stress sunburn improper watering poor drainage inadequate light inadequate humidity and cold drafts. It usually starts as either a purple or brown spot on the plants leaves near or close to its base. The others are useless for bees as they are sterile.
17072016 In the last couple of months it seems like every leaf is turning brownblack at the tip which then slowly moves through the rest of the leaf and it becomes dry.
This most often occurs before the plant has had time to establish a deep strong root system for example when the hydrangea is still in the pot or soon after it is planted. The plant could also be in shock or reacting to the weather turning colder. 07042020 Hydrangea leaf tips are brown and curling. What did you do.
