The copyright status of these messages is unclear at this time. ORG Ok Stefan and others have unknowingly goaded me into getting off my arse. Pliny recored the use of walnut shells in a recipe for keeping the white from one's hair. I actually used mulberry but got the same results. The leaves can be used for browns and blacks.
Roots can give orange or greenish colours.
In early midieval times, 1084-1153, reign of Scotland's David 1, the Arabs were importing it to Europe. 4.Dyer's Alkanet yields purples. Native to southern Europe and Middle East. It was used in cosmetics and wine colorants. 5.Elderberries yeilds different colors depending what part you use.