🌰 Walnut Hull Powder - Juglans regia
Rich Browns & Earthy Neutrals – Naturally Tannin-Rich Dye
Walnut Hull Powder, made from the dried outer shells (hulls) of the Juglans regia  tree, is a powerful natural dye prized for its deep brown, warm taupe, and greyish neutral tones. Naturally high in tannins, it can be used without a mordant and also serves as a subtle tannin source for preparing cellulose fibres like cotton and linen.
Key Features:
100% pure, ground walnut hulls
Naturally rich in tannins and juglone pigments
Produces earthy browns, greys, and soft black tones
Can be used with or without mordants
Suitable for wool, silk, cotton, linen, and even paper dyeing
Dyeing Notes:
Produces strong color on its own; mordants can enhance tone or increase fastness
Combine with iron mordant for cool greys and soft black
Works beautifully in immersion dyeing, eco-printing, and bundle dyeing
Also used in wood staining and traditional ink-making
Use 30-50% WOF depending on desired depth of color