We are offering coriander coriander was widely used in cookery and medicine until the renaissance, when an array of new aromatic spices replaced it. Historical findings suggest that ancient physicians like hippocratic and pliny were familiar to it. They are spherical in shape with a slightly pointed and flattened ends. Coriander seeds are generally 3 - 5 mm (1/8” - 3/16”) in length and the colour, when dried, is usually brown, but may be green or off white.