Oooh, this sounds interesting! Making beer from wild stinging nettles. You could end up being stung all over if you are not careful haha! I think i would need plenty of vinegar to hand and doc leaves.
I am quite curious to what it might taste like, we could either wait for them to force their way into our garden from under the fence or alternatively go on the hunt.
Here is the link, check it out! http://and-here-we-are.blogspot.co.uk/2013/03/making-wild-nettles-beer.html