All of PureSpices mustard seeds, brown, yellow, and black either grow in North Dakota or Alberta. Each variety produces a significantly different flavor. The yellow seed has a fresh clean aroma and a pungent biting flavor. The brown seed is closer to an Oriental mustard, hot with horseradish tones and aroma. The amount of volatile oil in mustard seed determines the intensity of flavor. Brown mustard seed is becoming very popular in the U.S. Restaurants are using it in European and American dishes. Mustard adds zest to a wide variety of dishes; meat, potato salad, vegetables and sauces.