The definition of an herb varies but broadly it is a seed plant that usually has a short life span of a season, and is a plant that is valued for its medicinal, savory or aromatic qualities. The range of plants which come under this term are numerous and there are perennial ones, but the most commonly grown include Iris, sunflowers, lavender and marigolds in the flowering group and basil, thyme, sage and rosemary in your kitchen herbs group.
