45+ Hydrangeas Flowers Turning Brown. In some cases, if the leaves of your hydrangea shrub are wilting and turning brown it could be indicative of burned leaves the result remove plant debris and dropped flowers from under your hydrangeas. All hydrangeas will turn brown if they wilt too many times in hot weather.
If your hydrangea blooms fade fast, they may be getting too much sun, especially if they're sitting in the hot, afternoon sun.
In this article, you will find 25 of our favorite hydrangeas for containers and gardens in your outdoor living space. You could trim them off and wait for the new, purple flowers to come. Water after fertilizing to help disperse the. The most common color to turn is green.