Horseradish is a tough perennial herb which grows from a root. Thriving in full sun to light shade horseradish will grow in just about any soil as long as the soil is not water saturated. This long lived perennial herb can be used to spice of mustard, dressings, cocktail sauce as well as other culinary uses. Can become invasive if not regularly harvested. Sold as a bulb, 2 bulbs per package.