Part used: husks
Colour range:browns, chocolate, almost blacks
Active dye component; juglone
Mordant: none needed
Light fastness: excellent
 
Fine powder of ground hulls of common walnut. You can use this powder on all textiles without a mordant. You can create nutty brownsnwhen used without a mordant, golden hues on alum mordanted fibers and deep browns to almost black on fabrics mordanted with ferrous sulfate. 
 
For use measure between 20 - 50%WOF  of dye stuff and heat slowly in a dye pot. Add your (mordanted) fibres and keep heated below a boil for at least 1.5 hoour. Let your fibres cool down in the dye pot.
 
Walnut hulls are used also to make ink, you can learn how to make walnut ink in this blog.
 
Our green walnut hulls are renewable and sustainable dye source from Turkey.