Do you have a blank wall staring at you in the garden? A hunk of empty fence can flummox even the most experienced gardener. Aside from flinging a vine at it, what else can you do? Garden designers ...

A brick wall, a blank fence, a small garden with no room for a tree: These are all invitations for an espalier. An espalier is a tree or shrub trained to grow in a flat plane, generally against a wall ...