To effectively grow dye-producing plants in a rooftop garden, choose containers with excellent drainage to prevent root rot.

People have been wearing blue jeans for centuries. Originally, the blue color came from a natural indigo dye. The dye was chosen for the way it interacted with cotton. When heated, most dyes ...

Since ancient times, humans have been fascinated towards hair colours ... warm tones. 2. Indigo: Extracted from the Indigofera tinctoria plant, indigo is typically used to achieve blue to black ...