Oak galls are formed on the oak tree as a defense against a wasp parasite. They are very high in tannins, and are therefore a great medium for dyers who like to use natural ingredients. Oak galls are also used together with iron to make a nice, true black ink and by leather workers for tanning.
The last photo is of an organic cotton wrap that I mordanted with alum, then dyed with weld and finally dipped in an extracted oak gall bath. The result is a deep mustard yellow hue, as opposed to the brighter yellow I got from just the weld. Use oak galls and iron to create a light grey to black fabric dye.
Wild foraged in Northern California.
The Oak galls will arrive already cut up into chunks - it is best for the home dyer to use chunks as opposed to powder, since its much easier to strain after extracting.
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If a piece is arrives defective or broken please contact me immediately, and return for replacement. If you are unsatisfied with the work, pieces maybe exchanged within 10 days for another item listed on the site. Shipping will not be refunded unless the piece arrives broken.
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