The ridges of the mortar in between the bricks emit a blue hue, the color of the ocean: indigo, a name that refers to the shrub, the dye the plant produces and the color itself. This crumbling ...

There is nothing like the royal blue of an indigo bunting. In the Northeast, they arrive fashionably late to the spring fling ...

harvesting and processing of Indigo suffruticosa, a robust plant that flourishes in the tropics and produces a deep, cherished ocean-blue color, one of humankind’s oldest dyes. Image Leigh Magar ...