There is sufficient evidence to confirm that the garden formed a constituent of all the ancient civilizations around the eastern half of the Mediterranean. These civilizations, supported by great rivers and seas—the Tigris, Euphrates, and the Nile, and the Mediterranean, Adriatic, and Aegean—grew up in a climate ranging from hot and arid to warm and dry. The climatic variation corresponds to geographical differences, from the alluvial plains of Egypt and Mesopotamia to the higher plains and hills of Syria-Palestine, to the more mountainous and variegated landscape of the peninsulas and islands of Greece and Italy.
Over this geographical range there is a remarkable degree of similarity in the general form of the ancient garden. There is the small enclosed or courtyard garden of the Assyrians and Egyptians, the kepos of the Greeks, and the hortus of the Romans. Often directly associated with a dwelling, palace, or temple, the fundamental elements of these small gardens were an enclosure wall and rows of trees or other planting surrounding a central pool or water feature. ...