For those in the northern hemisphere, it's not too late to do something, even on a small scale and for those in the southern hemisphere... well you can start planning your space and requirements.
As I recently published a detailed article, with a number of options on how to tackle this very fascinating subject, I'll direct you straight to the Naturally Inspired Website blog, on : http://www.gardenhomedesign.co.za/blog/?p=158
If you have any queries or concerns, email me on firstname.lastname@example.org. And also let me know if you decide to tackle this adventure and how it pans out for you!!
Have fun... and remember the sunscreen!!
PS. Before you go, leave me a comment (click on comments below).