Dyers woad is an ancient plant from Europe and Asia that has had many uses over the centuries. As the name suggests, it is a natural source of blue dye, famously used as body paint by the Celts and Scots (remember Braveheart). The leaves are a source of indigotin. While also used for dyes and paint it has a history of use in traditional medicine. A biennial, yellow flowering plant from the Brassicaceae family. 25 seeds.