This fast grower with edible and highly aromatic leaves quickly reaches a height of 6 to 18 inches and a width of three feet. Grow it in containers, as a groundcover or in the herb or flower garden. Cuban Oregano is hardy in zones 9 to 11 and thrives in warm air and soil. This member of the mint family thrives indoors in bright light with a bit of afternoon shade in hot sunny windows. Outdoors grow it in dappled shade with fertile well-drained soil.