Borage herb seeds The borage herb is an old fashioned plant that can get up to 2 feet or more. It is native to the Middle East and has an ancient history in war as an enhancement for bravery and courage. Growing borage provides the gardener with cucumber-flavored leaves for tea and other beverages as well as bright starry blue flowers for decorating salads. All parts of the plant, except the roots, are flavorful and have culinary or medicinal uses.