(use caution as it may have been treated with chemical, and never culitvate it!)
Yes you really can eat it. It is meant to taste like rhubarb only better. Use it in stews, soups, jams and chutney. The taste is so tarte that it can be used instead of lemon juice.
Please note that any plants described as edible on this website does not mean that it condones or advices eating them. Any plants consumed after reading text from this website is the sole responsibilty of the reader. Weed-Killer.net is not liable and takes no responibility for any ill effects after consuming any plant. Do your research and consult your doctor.