Almost every garden plot is one of the first to receive this delicious herb with a sour taste . Sorrel is a real treasure trove of useful trace elements and vitamins A, C, K, B1, B2, PP, E, that are required to maintain tonicity of all systems in the body. Total of 100gperennial crop up for the daily requirement of vitamin C . sorrel Seeds can be sown in any soil in the spring, summer or fall . Sorrel eaten raw, dried, canned it, bake cakes or used for cooking soups .