Mophead hydrangeas like this cultivar will do well in USDA hardiness zones 6 through 11. One of the most important things to remember is to give your giant hydrangea plenty of water throughout summer.

Even so, hydrangeas will suffer in too much shade. Without enough sun, their iconic blooms won't appear and their stems will ...

Hydrangeas are famous for their white, blue, or even pink flowerheads. But if your hydrangeas are turning brown, this is a ...