RHUBARB ROOT ~ Dye Colour depending on pH and mordant: yellow brown, green with iron and pink with Soda Ash.
Country of Collection: China
Rhubarb is a remarkable plant, known for its large size and delicious stalks and roots that can be used to create three beautiful colors. However, it is important to note that only the green and yellow shades will maintain their colour due to the high tannin content.
Colour fastness green and yellow: Good
Colour fastness pink to red: Poor
Ph sensitive - high Ph will turn colour to red
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Recipe for wool fibres: Downloadable PDF
Recipe for Plant Fibres: Downloadable PDF
Basic recipe:
100% cut Rhubarb or 50% ground Rhubarb
Wool (mordanted with Alum)
Optional:
3-5% Iron or
15% Soda Ash
