(80-90 days. Origanum heracleoticum) Authentic Greek Oregano is the most pungent and flavorful of the oreganos. Very hard to find, yet sought for its culinary and medicinal potency. Holds flavor in cooking. Tea is used for indigestion and coughs, with the oil used for toothaches. Dark green leaves and white flowers exude that bold, unmistakable aroma. Bees and beneficial insects LOVE it. Easy and low-growing. In Greece bridal couples are crowned with it as a symbol of happiness.