It may have some potential for extending the growing season in cool zones. How to Make a Recycled Wine Bottle Solar Heated Garden Bed Project | The Homestead Survival
Your friendly licensed restaurant or wine bar might be happy to minimise their waste bottle disposal costs. I would think that beer bottles would work just as well, but may not be as aesthetically attractive.
I would like to say that I could never dring this much wine in a life time..... but that would be a lie =) very pretty
