Indigo is a plant-derived pigment. It is a vat dye and requires a special process when dyeing textiles. Air-drying helps develop the typical indigo blue hue (oxidation). Indigo dyeing does not require additional scouring of textiles.
Dyeing with Indigo
Set Dyeing with Indigo (#14705)
Brochure Dyeing with Indigo (#992426)
The book details descriptions of the dyeing technique and lists the materials needed, providing an ideal introduction to indigo dyeing which helps the dyer maintain a sustainable application.
Indigo
Dyeing Auxiliary
Fructose reduces the indigo and the oxygen in the dye bath. At the same time, the dye bath must be alkaline, which we obtain by adding calcium hydroxide.
Overdyeing Indigo
To get additional shades of fern, you can also combine indigo dyeing with other plant dyes.
Most natural dyes require mordanting of the fabric for dyeing to ensure that the dye remains fixed to the fiber. Only indigo, purple and lokao are vat dyes and do not require mordanting. Mordanting materials
Books
Washing & Cleaning agents
The textile material should be washed as hot as possible. Cleaning the pots works best with citric acid.







