H. serrata, also known as "mountain hydrangea," has much smaller leaves and narrower flowers than others, but the same coloring as H. macrophylla. H. barbara and H. anomala are both climbing ...
Hydrangeas are beautiful plants, and if you’re lucky enough to own a climbing one, an annual trim will keep the shoots in check. Of course, to start with, you’ll need to know when to prune climbing ...