Phyla dulcis - Perennial herb. Full sun to part shade. Used a natural sweetener, the leaves having an intensely sweet flavour.. A medicinal herb, long used in the traditional medicines of Mexico and Central America. A tea can be made from the leaves, and they can be used to sweeten other drinks. Prefers a rich, well drained soil. Not frost hardy. Aromatic foliage. Small white flowers, held in cone shaped heads. Best not consumed in large amounts as the plant contains camphor, also not for children or pregnant ladies. A fast growing ground cover. Grows well in pots.