The root system of potted hydrangeas is not protected from winter cold the same way plants are when in the ground. As such, the winter hardiness zones are not accurate for potted plants.

Technically, yes – but it’s not recommended and it could prove to be a big mistake for a hydrangea lover. They are not cold hardy in many areas, have weak stems, and are more susceptible to ...

Hydrangeas are hardy blooms that can survive harsh cold winter weather, but one gardening task now will ensure healthier and stronger flowers in springtime.

The final part of our best-new-plants-of-2025 series concludes with a look at some of the top new trees and shrubs debuting ...

Two hydrangea species are considered native for ... Because this species blooms on new wood, it is winter hardy, and spring-forming buds are normally unaffected or damaged by cold winters. Before ...