From southern Europe. A single plant grows to about 2 feet tall, 112 feet widebut plants self-sow and spread rapidly, sometimes becoming pests. Leaves are used fresh in cold drinks, fruit cups, salads, fish dishes; dried leaves give lemon perfume to sachets, potpourris. Likes rich soil. Shear occasionally to keep compact. Lemon-scented, heavily veined foliage is light green in the species. Check catalogs to find 'Aurea' and 'All Gold', 'Variegata', intensely fragrant 'Citronella', and the hardier and more intense 'Quedlinburger Niederliegende'.