{"product_id":"black-walnut-dye","title":"BLACK WALNUT DYE","description":"\u003ch2\u003e\u003cstrong\u003e\u003cspan\u003eBlack Walnut Shell Natural Dye\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cem\u003e\u003cspan\u003eJuglans nigra · Cultivated in the USA · Naturally Tannin-Rich\u003c\/span\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eBlack walnut shells produce warm, earthy browns ranging from lighter natural shades to deep, rich tones with iron.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eCultivated in the USA, black walnut is naturally rich in tannins and has a long history of use as a textile dye. Deeper shades can be developed by using more dye, extending the dyeing time or working the fibre through a second dye bath.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003e\u003cspan\u003eAt a glance\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eOrigin:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e USA\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eBotanical name:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e\u003cem\u003e\u003cspan\u003eJuglans nigra\u003c\/span\u003e\u003c\/em\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003ePlant part:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Shell\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eForm:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Dried black walnut shells\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eColours:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Light, medium and deep earthy browns\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eFibres:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Wool, silk, cotton and linen\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eMordant:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Recommended\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eColourfastness:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Excellent when suitably prepared, dyed and finished\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cstrong\u003e\u003cspan\u003eA naturally tannin-rich dye\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eBlack walnut is a North American tree valued for its timber and tannin-rich hulls and shells. These naturally occurring tannins give black walnut a strong affinity with textile fibres and help produce lasting earthy browns.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eBlack walnut can colour some fibres without a mordant, but suitable preparation and mordanting can improve consistency, depth and durability.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003e\u003cspan\u003eHow much to use\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eFor a lighter earthy brown, begin with:\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003e50 g black walnut shells per 100 g dry fibre\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eEquivalent to \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e50% WOF - weight of dry fibre\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eFor a deeper brown, use:\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003e100 g black walnut shells per 100 g dry fibre\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eEquivalent to \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e100% WOF\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e. \u003cstrong\u003eIron after mordant.\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eShade depth will also depend on the fibre, mordant, water chemistry, extraction time and length of time in the dye bath.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eSample first when working towards a particular colour.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003e\u003cspan\u003eBasic dyeing guide\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003ePrepare:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Scour and mordant the fibre using a suitable method, then wet it thoroughly.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eDyeing cotton, linen or other cellulose fibres? \u003c\/span\u003e\u003ca href=\"https:\/\/appleoakfibreworks.com\/blogs\/news\/tagged\/how-to-mordant-linen\"\u003e\u003cspan\u003eFind suitable mordanting methods here.\u003c\/span\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eSoak:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Cover the black walnut shells with cold water and leave them to soak overnight.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eExtract:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Heat the soaked shells and liquid to approximately \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e80°C (176°F)\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e and hold for one hour.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eStrain:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Strain the dye liquid through a cloth, keeping the shell material out of the dye bath.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eDye:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Add the prepared fibre and hold the bath at approximately \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e80°C (176°F)\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e for one hour. Use enough water for the fibre to move freely.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eDeepen:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e For a deeper shade, allow the fibre to remain in the cooling dye bath overnight or for up to 12 hours.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eFinish:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Remove the fibre, rinse thoroughly and wash gently.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cstrong\u003e\u003cspan\u003eTips from the dye pot\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cspan\u003eTip\u003c\/span\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cspan\u003eDetails\u003c\/span\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan\u003eChoose the quantity\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eUse approximately 50% WOF for lighter browns and 100% WOF for deeper shades.\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan\u003eExtend the dyeing time\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eLeaving the fibre in the cooling bath can help develop a deeper result.\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan\u003eReuse the material\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eA second dye bath or repeated extraction may produce additional shades.\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan\u003eConsider mordanting\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eBlack walnut’s natural tannins give it an affinity with fibre, but suitable mordanting can improve consistency and durability.\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan\u003eModify with iron\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eIron can darken black walnut shades. Use it carefully, as excessive iron can damage fibres.\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan\u003eKeep notes\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eRecord the fibre, mordant, water chemistry, dye quantity, temperature and processing time.\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003e\u003cstrong\u003e\u003cspan\u003eColourfastness\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eBlack walnut can produce excellent lightfastness and wash fastness when the fibre is properly prepared and the dye is suitably extracted, applied and finished.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003ePerformance still depends on the fibre, mordant, depth of shade and aftercare.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003e\u003cspan\u003eStorage and safe handling\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eStore tightly sealed, cool and dry, away from direct sunlight.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eDo not consume or use in food, drinks, cosmetics or herbal preparations.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eAvoid creating or breathing dust.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ePrevent contact with the mouth, eyes and open wounds.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eWear gloves, as black walnut can stain the skin and may cause irritation or an allergic reaction in susceptible individuals.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eWear suitable protective equipment when handling dusty material.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eFollow the safety instructions for all mordants and modifiers used.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eUse dedicated dyeing utensils and containers—never food-preparation equipment.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eKeep away from food, children and pets.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e\u003cspan\u003eFor textile dyeing and craft use only - not for consumption.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cstrong\u003e\u003cspan\u003eWhat you receive\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eYour chosen net weight of dried black walnut shells, supplied in a pouch.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eMordants, iron and other dyeing supplies are sold separately.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003e\u003cspan\u003ePackaging\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eWe pack as sustainably as we can while protecting your dye materials. Pouch types may vary according to pack size and the availability of our preferred lower-impact options.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eDisplay jars are not included.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003e\u003cspan\u003eLearn with us\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eJoin \u003c\/span\u003e\u003cstrong\u003e\u003ca href=\"https:\/\/the-natural-dyers-academy.mn.co\/\"\u003e\u003cspan\u003eThe Natural Dyers \u0026amp; Growers Academy\u003c\/span\u003e\u003c\/a\u003e\u003c\/strong\u003e\u003cspan\u003e to share your results, ask questions and explore natural colour alongside fellow natural dyers and dye plant growers.\u003c\/span\u003e\u003c\/p\u003e","brand":"AppleOak FibreWorks","offers":[{"title":"50g","offer_id":52825501303120,"sku":null,"price":7.95,"currency_code":"EUR","in_stock":true},{"title":"75g","offer_id":53617422991696,"sku":null,"price":8.95,"currency_code":"EUR","in_stock":true},{"title":"100g","offer_id":19313218125881,"sku":"80625","price":9.5,"currency_code":"EUR","in_stock":true},{"title":"250g","offer_id":49856407601488,"sku":"","price":14.5,"currency_code":"EUR","in_stock":true},{"title":"500g","offer_id":40466003394614,"sku":"","price":22.95,"currency_code":"EUR","in_stock":true},{"title":"1kg","offer_id":40466003427382,"sku":"","price":39.95,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0098\/2918\/7641\/files\/ChatGPT_Image_Sep_15_2026_07_56_06_PM.png?v=1789498617","url":"https:\/\/appleoakfibreworks.com\/products\/black-walnut-dye","provider":"AppleOak FibreWorks","version":"1.0","type":"link"}