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Madder - Rubia Tinctorum 500g (1.1 lb.)


MadderRubia tinctorum, Rubia cordifolia, and Morinda citrifolia. Madder is one of the oldest dyestuffs known. It is most frequently used to produce turkey reds, mulberry, orange-red, terracotta, and in combination with other dyes and dyeing procedures can yield crimson, purple, rust, browns, and near black. The primary dye component is alizarin, which is found in the roots of several plants and trees. Madder is cultivated and grows wild throughout India, south east Asia, Turkey, Europe, south China, parts of Africa, Australia and Japan. Madder is a complex dyestuff containing over 20 individual chemical substances. Alizarin is the most important of these because it gives the famous warm Turkey red colour. Also present in this wonderful plant is munjistin, purpurin, and a multitude of yellows and browns. Madder is dyed at 35-100% WOF for a medium depth of shade.

Mordanting: Use alum mordant at 15% WOF for protein fibres. For cellulose, first mordant with tannin at 8% WOF, then either 1) use alum at 15% with soda ash at 2% or 2) use aluminum acetate at 8%. For dark brick reds use alum acetate (instead of alum). 

Dyeing: Madder develops to its deepest and richest reds in hard water – water containing calcium and magnesium salts is ideal. If the water is soft add calcium carbonate (a single Tum’s tablet to 4 litres of water works well). Add dye material to dye pot and cover with water. Bring up to about 60ºC (140ºF) and hold for an hour. Add fibres and continue cooking for another 1-2 hours. For clear reds of rubia tinctorum do not let the temperature go above 72ºC (160ºF). At higher temperatures the browns of this madder plant come out and dull the colour. Rubia cordifolia is not as affected by high temperature. The madder dyebath can be reused two or three times for lighter shades.

Because of the different dye components present in the madder plant, the dyer can coax many colours out and onto the cloth by manipulating the mordanting process, the pH, the temperature, and the dye process. There are hundreds of madder recipes used historically that are intriguing to try including one from Turkey which brings out the purpurin from madder and gives a purple.

Madder, in combination with cochineal yields a true red, with iron yields garnet, bright orange with alum and cream of tartar, brick red with alum mordant and a higher heat, the addition of acetic acid or vinegar plus iron will push the colour to a rich brownish-purple.

For in-depth information on natural dyes see our Guide to Natural Dyes available on naturaldyes.ca. Also available as a Printable PDF.

Currently the largest sizes of natural dyes are priced at wholesale rates. Our rates reflect a growing discount as the size increases. See all sizes here.

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