We reveal how you can form your own – plus how to maintain one, whether you buy a pre-trained hydrangea tree or do it ...

Panicle hydrangeas (H. paniculata) have more elongated, cone or pyramid-shaped clusters of flowers. This summer-flowering species likes the sun and is often trained into a tree 15 to 25 feet high.

Instead, they recommend pruning the flower only after it has bloomed. For instance, hydrangea paniculata can be pruned by 1/3 as needed, while hydrangea arborescens can be pruned up to 10 inches.

Hydrangeas suffer from something of an image problem. The very mention of the word conjures up thoughts of maiden aunts and high tea on the lawn: but if you're thinking you wouldn't be seen dead ...