Not the first version of this, but another cool living edible wall, via Core77 - for a product called Reviwall from an Italian group called ReviPlant.
:: image via Core77
:: images via ReviPlant
Another cool idea of this is from Green Living Technologies (GLT) which has sponsored, along with Campbells soup, a series of community edible living walls in New Jersey along with a local group Urban Farming. Cool stuff.
:: images via GLT
And a cool system of growing wheatgrass, with some interesting cost payback stats due to the rapidity of renewal.
:: Wheatgrass Wall - images via GLT