Height: 1 – 1.2 metres
Clusters of blue-mauve drooping bell shaped flowers. Long taproots help soil condition by bringing water and minerals to the surface.
Comfrey is a useful plant which aids healing, but must not be fed to excess because of the alkaloids it contains.
Constituents: Mucilage; gum; allantoin; tannins; saponins; pyrrolizidine alkaloids; phenolic acids, including rosmarine, cholergenic and caffeic; choline; resin; volatile oil
Actions: Vulnerary, demulcent, astringent, and expectorant.