Outdoor structure specialist Kevin King agrees, telling me that 'A pergola is traditionally a square or rectangle outdoor structure consisting of four-six posts and an open roof-like frame.' ...

You can create a shady spot to relax in your yard with a gazebo or pergola, but for a natural shade alternative, try growing a living canopy.

Wooden cross members can then be attached to the uprights to form the 'roof'. Metal - metal pergola frames are available from specialist manufacturers. They come in kits that can be bolted ...