Hydrangea macrophylla

Hydrangea macrophylla flowers on old, second-year wood. (Photo by Joanne Young)

When and how to prune hydrangeas?

Judith Adam

I have just read an article on hydrangeas, saying that some hydrangeas flower on the old wood? Eureka! Is pruning mine back each spring the reason why the bush has luscious green growth, but no flowers?