Stony Creek Colors is convincing farmers who used to grow tobacco to switch to indigo plants and selling the natural blue dye to fabric producers, including denim giant Cone Mills. The ...

Indigo was once so vital to the state people called it “blue gold.” As interest in the dye reignites, historic sites are shining a light on its past.

Indigo powder, derived from the natural indigo pigment extracted from the indigo plant, is renowned for its use in dyeing fabrics and has gained considerable popularity in the hair dye industry ...

Various plant species can produce natural indigo dye, but 'Persicaria tinctoria,' also known as Chinese or Japanese indigo, is a favorite among Southern Californians who like to grow their own for ...

Indigo plants are green — the blue dye is processed from the plant’s leaves. Emily Siner, WPLN “Evidently, it appears to be doing something right,” Fulton said, standing on the edge of the ...

She shared historical tales of traditional European methods, too — including vats of aged urine and indigo — that got Mr. Young pondering the era before synthetic aniline dyes were developed ...

In this image from video, Yoshiko Ogura, 73, holds fermented indigo leaves she grows at her studio for making organic indigo dye in Minamisoma, Fukushima Prefecture, northeastern Japan, on Feb. 20, ...