The Plant That Can Literally Eat Metal (And It’s Growing in Your Backyard)

7. Pennycress: The Edgy Edible

Pennycress is a wild plant that wears two hats—it’s being developed as an edible crop and is also known for its ability to absorb heavy metals from the soil. This dual purpose makes pennycress both a promising food source and a natural tool for environmental cleanup.
Find out how pennycress is being bred for bigger impact at the USDA.