Succeeds in most soils, preferring a moist moderately fertile well-drained soil in a sunny position. The figure for vitamin A is in milligrammes. The name Dock is applied to a widespread tribe of broad-leaved wayside weeds, having roots possessing astringent qualities united in some with a cathartic principle, rendering them valuable as substitutes for Rhubarb, a plant of the same family.
Yellow dock has a long history of domestic herbal use.
It is a gentle and safe laxative, less powerful than rhubarb in its action so it is particularly useful in the treatment of mild constipation. The plant has valuable cleansing properties and is useful for treating a wide range of skin problems. All parts of the plant can be used, though the root is most active medicinally. The root is alterative, antiscorbutic, astringent, cholagogue, depurative, laxative and mildly tonic. It used to be sold as a tonic and laxative.