Plant-Based Dyes: Indigo, Madder, and Weld

If you can cultivate these three primary color plants, then you can create your own bright, natural dyes.

Marcia MacDonald, who runs the Etsy shop LanaPlantae, has perfected the use of madder and weld to create beautiful, naturally dyed yarn. The green yarn pictured here was made with a weld and iron bath.
Photo by Marcia MacDonald