Rhubarb roots can yield a red or orange natural dye depending on the species
- Chop the rhubarb roots into small pieces and place into a large dyepot filled with water.
- Bring the water to a boil and simmer the rhubarb roots 1 – 2 hours to extract the color.
- Add clean, pre-mordanted wool to the dyepot.
- Reheat the dyepot to just below simmering temperature.
- For clear yellow shades, turn off the heat, and let the wool sit in the dyepot overnight to absorb the color.
- For darker shades of yellow/green simmer the wool for x-about an hour. Then turn off the heat and let the wool absorb the remaining color.
- After dyeing, remove the wool, rinse in cool water and let dry.
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- To get coral/red shades, add an alkaline modifier (washing soda) to the dyepot.
- An iron afterbath will give olive shades. How To Make an Alum Mordant
Natural Dye Books
Wild Color, Revised and Updated Edition: The Complete Guide to Making and Using Natural Dyes
Botanical Colour at your Fingertips
The Modern Natural Dyer: A Comprehensive Guide to Dyeing Silk, Wool, Linen and Cotton at Home
Categories: NATURAL DYES