Chives are a herb used to flavor foods. They are most often used in soups, sauces, and omelets. Chives are grown in gardens all over the world. They are available year-round in most grocery stores. Chives are very easy to grow, so they are a great choice for gardeners who want to have fresh herbs available all year long. Chives are a herb used to flavor foods. They are most often used in soups, sauces, and omelets. Chives are grown in gardens all over the world. They are available year-round in most grocery stores. Chives are very easy to grow, so they are a great choice for gardeners who want to have fresh herbs available all year long.