Comfrey


Comfrey (also comphrey) is a common name for plants in the genus Symphytum. Comfrey species are important herbs in organic gardening. It is used as a fertilizer and as an herbal medicine. The most commonly used species is Russian comfrey Symphytum ×uplandicum , which is a cross or hybrid of Symphytum officinale (common comfrey) and Symphytum asperum (rough comfrey).