Today I have been refreshing my collection of naturally dyed yarn, mostly silk today, but a little wool as well. I've been working broadly from some sixteenth and seventeenth century recipes over at http://www.elizabethancostume.net/dyes
So far I've done several skeins of madder, one of madder dipped in cochineal, one of cochineal and one of weld:
Now, I'm on a black dye recipe:
Black DyeTake 1 part
copperas, 4 parts ground gallnuts and boil with the wool yarn or
silk for 2 hours. Take it out and let it cool. Put it back in until it is black enough. Finally rinse clean in fresh water
Marx Ziegler's Weber Kunst und Bild Buch of 1677 tr Patricia Hilts available online at http://www.elizabethancostume.net/dyes/zieglerdyebook.html#31
Will report back in two hours as to the final colour