'Indigo' is a lax herbaceous perennial with ovate leaves to 20cm in length, and erect stems bearing long terminal spikes of whorled, violet flowers with brownish-red calyces, in early summer ...

The high-quality indigo dye created in Tokushima is famous for its deep hue. The indigo plants are grown and harvested by a master craftsman. The leaves undergo a traditional process of long ...

A compact and bushy, upright herbaceous perennial with aromatic, dark green, oval to lance-shaped leaves and slender whorled spikes of tubular two-lipped deep blue flowers which are very attractive to ...

02:06 On this day, he's out with his team in their lush indigo field, harvesting leaves from plants they've cultivated themselves. Japanese indigo dyeing is unique in its use of a base material ...

Indigo factories were sited on river valleys for the water supply, and because indigo plants (several species of Indigofera) grow best in rich soils. Harsh working conditions in indigo fields and ...

[4] In eastern Tokushima, indigo plants thrived in fields alongside rivers that were regularly swollen by typhoons or summer storms, bringing nutrient-rich soil from the highlands further inland.