Fungi Dye: Phaeolus schweinitzii

Phaeolus schweinitzii – Mushroom Dyes
Karhunkaapa (FI)

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Phaeolus schweinitzii – Yellow, gold

Alum Mordant

3 litres water
25 grams alum
10 grams cream of Tartar
Bring to boil and then let cool
100 gram wool yarn tied in skeins
Rinse the clean washed yarn in cool water
Add the yarn into the cool mordant bath and bring it to 80-90 C degrees
Simmer for 1 hour
Remove and let cool

Fungi Dye Bath

If using dried mushrooms soak them in water for a few hours until soft.
300 grams dried mushrooms
5 litres water
Bring to boil and simmer for 2-3 hours

Let dyebath cool
Strain the liquid and store the cooked mushrooms. They can be used again in an afterbath
Add mordanted yarn to strained dyebath liquid

Add mordanted yarn to dyebath
Return to heat and simmer for 1 hour at 80-90 degrees Celsius or longer for stronger colour.
Remove from heat source and let cool
Rinse in water that is of similar temperature as dyebath to avoid shocking the yarn and causing felting to occur.

Mushroom Dyeing
A New England and Eastern Canada Edible and Medicinal Mushroom Resource
Mosswalks Blogspot
Basket dyed with Phaeolus schweinitzii “dyers polypore”
California Fungi: Phaeolus schweinitzii
Root Diseases: Chweinitzii Butt Rot
This fungus is considered to be a tree disease in British Columbia