Dye materials and food waste used for dyeing Charma silks include:
Local larch bark, rhubarb leaves, lupine, birch, dock, fireweed, bird cherry, yarrow, nettle, and lady's mantle amongst many other wild foraged plants.
Onion skins, avocado pits, coffee grounds, and other kitchen waste.
Imported dyes like Indigo and cochineal, which have a long history and strong traditions in textile dyeing through centuries
Natural dyeing has thousands of years of history and it has been mastered in all cultures around the world. The first synthetic textile dye wasn't invented until 1856 by William Henry Perkin. Since then synthetic dyes have taken over the textile industry because of their stability and user-"friendliness".