Dandelion and burdock beer - being perennial, these are available all year, but it is important to collect them only when the leaves are visible so that you do not confuse them with anything nasty. Recipe by John Wright.
How to make dandelion and burdock beer Dig for victory and your reward will be a very British root beer. John Wright - Word of Mouth Blog. Just be aware that "Burdock roots are tough, go down a long way in several directions at once and are particularly fond of soil rich in immoveable rocks."