Native to prairies and rocky, barren environments, tarragon (Artemisia dracunculus) will happily make its home in poor, dry soil. Its aromatic leaves, used in a variety of recipes, are thin blades with pointed tips. Because tarragon needs winter dormancy, it's treated as an annual in very hot climates, but in most areas is grown as a perennial. Tarragon's basic needs prevail in all regions: loose, well-drained soil and plenty of light sunshine.