By Bob Dluzen
From The Detroit News
Comfrey, until fairly recently, was used for centuries as a medicinal herb. Some of the common folk names for it, such as “healing herb” and “bruisewort,” reflect the healing properties that people once thought it had.
Nowadays we are told that any internal healing properties it might have are largely offset by the danger of it causing serious liver damage. Applying comfrey to the skin however is perfectly safe.
Comfrey, Symphytum officinale, is still a valuable addition to the garden though. The leaves contain a significant amount of all three major plant nutrients: nitrogen, phosphorus, and potassium….