“Want to grow a salad garden but have no room? Try gutters! Affix them to a fence and slope them for drainage.”
(courtesy of the www.homesteadingsurvivalism.com‘s Facebook page)
i love this space-efficient idea for growing lettuce. all you need is a fence or wall surface! intrigued? here are some easy tutorials and tips to help you start your own gutter garden:
yawa cooks! ... sometimes 
I MUST try that idea. It looks perfect for lettuce, thanks for sharing!
Very well instructed idea. It was very convenient for we were able to plant lettuce in our fences.