Feverfew is a short-lived, bushy perennial that has become naturalized in much of North America. It has fragrant, ferny foliage and composite white flowers with yellow centers. It is often grown as an annual. The cultivar 'Aureum' has a dwarf habit, smaller flowers, and golden aromatic foliage. Other cultivars have double flowers, yellow flowerheads, or pompom-like flowerheads.