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Rh food crops of Western man—wheat, barley and millet, all of which were first domesticated in or near Syria—still flourish, as do onions, garlic, cucumbers and other vegetables known from earliest times. Sugar cane was brought in from farther east by the Arab conquerors. Crops introduced from America in recent centuries include corn (maize), tomatoes, potatoes and tobacco, Latakia tobacco having become famous all over the world.

The ancient drought-resisting fruits—figs, olives, dates and grapes—have similarly been supplemented with banana and citrus trees, which in the absence of summer rains require irrigation. The baking Mediterranean sun, whose relentless rays strike the parched land almost daily throughout the dry season, ripens fruit to perfection. The olive tree in particular demands little and yields much. Its fruit was and is one of the main components in the diet of the lower classes. Olive oil was consumed in place of butter, which is more difficult to preserve, and was used for burning in lamps, for making ointments and perfumes, and for medicinal and ceremonial purposes. The pulpy residue of the fruit was fed to animals, and its stones were crushed and used for fuel. Ever since Noah's dove returned with an olive branch, its leaf has been a symbol of peace and happiness. To the south of Beirut one of the largest olive orchards in the world stretches for miles. Aside from fruit trees, the dominant trees in this littoral zone are the scrub oak, the Mediterranean pine, the beech and the mulberry, the leaves of which have been fed to imported silkworms, making silk manufacture possible. Since the first World War, however, the silk industry has been on the decline, and with it the mulberry orchards.

Along the crests of Mount Lebanon and Anti-Lebanon only such hardy trees as firs, cedars and other conifers are able to survive, constituting the second floral zone. The most magnificent and renowned of these is the cedar of Lebanon, noted for its majesty, strength, durability and suitability for carving. The cedar provided the Phoenicians Rh