Hydrangeas are brimming with nostalgia, stirring memories of endless Southern summers. When winter arrives, these charming plants need a little TLC to ensure summer blooms return the following season.

Most hydrangeas are reasonably hardy, and can tolerate temperatures right down to -10°C. Sometimes even lower, once they’re properly established, but they still require some help over the winter ...

Looking out at my garden right now, things are looking pretty grey and gloomy. The hydrangeas, in particular, keep catching my eye with their faded blooms. But as much as I’m tempted to snip the old ...