Garden Sorrel, Rumex acetosa, is a bitter tasting plant, the broad leaves enliven the flavour of soups, sauces, salads, omelettes, quiche etc. Due to the high vitamin content, sorrel was used to prevent scurry. A diuretic and kidney tonic. Used as gargle to treat sore throats. An essential plant in every garden. Garden Sorrel,is a native of Europe and.prefers well drained soils in protected sunny position. Frost resistant but drought tender. A perennial plant, growing to 1m x 0.3m.