Indigo: History And Modern Day Natural Dyeing
Dyeing clothes with bubbly blue vats of indigo (indigofera tinctora) is an ancient process, developed independently across countries and continents by different people, with different species of indigo, all resulting in a range of gorgeous shades of blue fibers and clothes.
Beyond the blue, indigo is a nitrogen-fixing legume that improves soil health. Medicinally, indigo has been used over the ages