Oregano is an annual herb that is grown almost exclusively for culinary use. It grows on average to 35 cm, (14") tall.  A sprawling plant which features pungently aromatic, flavorful, oval, dark green leaves which are commonly used in cooking as a seasoning.  Best leaf flavor usually occurs just prior to flowering, but the quality of flavor can vary considerably from plant to plant.  Tiny, white to rosy pink flowers appear in loose spikes  throughout the summer.