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Natural Dyes
Fibers
Yarn
Handwovens
Vicuña
Soap
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Natural Dyes
Fibers
Yarn
Handwovens
Vicuña
Soap
Shop Amur Cork Natural Dye
Jar with yellow sticker labeled "Amur Cork: P. Amurensis" Image 1 of 4
Jar with yellow sticker labeled "Amur Cork: P. Amurensis"
Fiber swatch showing bright yellow silk satin. Image 2 of 4
Fiber swatch showing bright yellow silk satin.
Fiber swatch showing bright yellow eri silk. Image 3 of 4
Fiber swatch showing bright yellow eri silk.
Fiber swatch showing pale yellow wool twill. Image 4 of 4
Fiber swatch showing pale yellow wool twill.
Jar with yellow sticker labeled "Amur Cork: P. Amurensis"
Fiber swatch showing bright yellow silk satin.
Fiber swatch showing bright yellow eri silk.
Fiber swatch showing pale yellow wool twill.

Amur Cork Natural Dye

from $14.99

Shepherd Textiles Amur Cork natural dye contains the soft, yellow inner bark of phellodendron amurense, a deciduous tree native to East Asia. The bark is rich in plant alkaloids including berberine, limonin, and phellodendrine. It is considered one of the foundational herbs of Traditional Chinese Medicine - the bark was harvested around the summer solstice, dried, and used to treat inflammation and bacterial diseases. More recently, extracts of the bark have been patented and explored as a treatment for pancreatic cancer. It has also been used for thousands of years as a yellow dye. The pigments in the bark are substantive to protein fibers - they do not require a mordant - and on silk they produce fantastic, deeply saturated lemon yellow shades.

Ours is the top medicinal grade of Amur Cork bark, grown and harvested in South Korea and carefully cut to remove the brown outer bark (which contains tannins that would muddy the color). Use at 100% weight-of-fabric on unmordanted silk or wool. Soak the bark overnight, then simmer gently for an hour to extract the color. Please note that mordants will dull the color or leech it out of the fiber entirely. For more details and color recipes, check out our Guide to Dyeing with Amur Cork Bark.

Product of South Korea.

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Shepherd Textiles Amur Cork natural dye contains the soft, yellow inner bark of phellodendron amurense, a deciduous tree native to East Asia. The bark is rich in plant alkaloids including berberine, limonin, and phellodendrine. It is considered one of the foundational herbs of Traditional Chinese Medicine - the bark was harvested around the summer solstice, dried, and used to treat inflammation and bacterial diseases. More recently, extracts of the bark have been patented and explored as a treatment for pancreatic cancer. It has also been used for thousands of years as a yellow dye. The pigments in the bark are substantive to protein fibers - they do not require a mordant - and on silk they produce fantastic, deeply saturated lemon yellow shades.

Ours is the top medicinal grade of Amur Cork bark, grown and harvested in South Korea and carefully cut to remove the brown outer bark (which contains tannins that would muddy the color). Use at 100% weight-of-fabric on unmordanted silk or wool. Soak the bark overnight, then simmer gently for an hour to extract the color. Please note that mordants will dull the color or leech it out of the fiber entirely. For more details and color recipes, check out our Guide to Dyeing with Amur Cork Bark.

Product of South Korea.

Shepherd Textiles Amur Cork natural dye contains the soft, yellow inner bark of phellodendron amurense, a deciduous tree native to East Asia. The bark is rich in plant alkaloids including berberine, limonin, and phellodendrine. It is considered one of the foundational herbs of Traditional Chinese Medicine - the bark was harvested around the summer solstice, dried, and used to treat inflammation and bacterial diseases. More recently, extracts of the bark have been patented and explored as a treatment for pancreatic cancer. It has also been used for thousands of years as a yellow dye. The pigments in the bark are substantive to protein fibers - they do not require a mordant - and on silk they produce fantastic, deeply saturated lemon yellow shades.

Ours is the top medicinal grade of Amur Cork bark, grown and harvested in South Korea and carefully cut to remove the brown outer bark (which contains tannins that would muddy the color). Use at 100% weight-of-fabric on unmordanted silk or wool. Soak the bark overnight, then simmer gently for an hour to extract the color. Please note that mordants will dull the color or leech it out of the fiber entirely. For more details and color recipes, check out our Guide to Dyeing with Amur Cork Bark.

Product of South Korea.

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