Produces an aromatic, refreshing tea for stomach upsets, bloating, as well as gallbladder and liver issues. Height 50-60 cm, perennial. Sow from April to June in pots or later directly in the open ground; do not cover seeds, keep well-moistened until germination. From May, plant in humus-rich soil, spacing 30 x 40 cm. Continuously pick leaves and shoot tips for fresh use, with the main harvest just before flowering.