How do you choose the design layout for a garden?

The key principle when you are faced with lots of decisions is to break these down into simpler decisions. And that is really all design is about, asking simple questions, the result of which will help you understand how you need your garden to be. 

It's not about imposing a shape style or planting scheme IN the garden.

To learn a bit more - try here or you could take a look at my book