BIRCH LEAVES DYE ORGANIC ~ Dye Colour yellow and green
A birch is a thin-leaved deciduous hardwood tree of the genus Betula, in the family Betulaceae, which also includes alders, hazels, and hornbeams. It is closely related to the beech-oak family Fagaceae.
Alum (mordant) 15% D.W.F
Dry birch leaves 100-200% D.W.F
Soak the leaves for a day before using.
Boil the soaked leaves for one hour and drain. Add the alum to this solution and simmer the yarn for half to one hour.
*If the yarn is dried without rinsing and then placed in a weak birch ash lye, the colour becomes a reddish yellow.
**You can change the colour to green by adding 5% Iron.