Now that the U.S. Food and Drug Administration has banned Red Dye No. 3, artificial food dyes are under increasing scrutiny.
To effectively grow dye-producing plants in a rooftop garden, choose containers with excellent drainage to prevent root rot.
Meanwhile, their startup, which had focused on selling organic T-shirts, evolved into a dye production business. They co-founded Green Matters Natural Dye Co. last July 21. Their mission ...