Internationally, Lebanon has been known for its quality hash for as long as hash has been a “thing”. Unfortunately, hash hailing from Lebanon is as rare as ever due to legal suppression against cultivators. , the. What makes Lebanese Hash different from other hash variations is the way it is cultivated and then allowed to age over one or two whole seasons (4-8 months). This aging or curing process allows Lebanese Hash to develop very strong spicy and woody notes, along with a smooth flavour.