Deadhead hydrangeas early; prune timing depends on whether they bloom on new or old wood. Protect plants with mulch, burlap, or cages in cold climates; move potted hydrangeas indoors below 45°F.

We may receive a commission on purchases made from links. When temperatures drop, we humans bundle up, breaking out our best down coats and wool socks. But did you know that some perennial plants, ...

Plants are susceptible to dying over winter thanks to the hard weather. The cold can kill a plant, as can the wind, and hydrangeas are certainly not immune. What's more, it's difficult to tell if your ...