Jerusalem Dig Uncovers Earliest Evidence of Local Cultivation of Etrogs

Pollen reveals ancient palace grew the citrus in its garden.

Zafrir Rinat
Zafrir Rinat
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An artist’s impression of the Israelite palace at Ramat Rachel.
An artist’s impression of the Israelite palace at Ramat Rachel.Credit: Courtesy
Zafrir Rinat
Zafrir Rinat

The earliest evidence of local cultivation of three of the Sukkot holiday's traditional "four species" has been found at the most ancient royal garden ever discovered in Israel.

The garden, at Kibbutz Ramat Rachel in Jerusalem, gave up its secrets through remnants of pollen found in the plaster of its walls.

The garden was part of an Israelite palace at Ramat Rachel that has been excavated for many years, most recently in a joint dig by Prof. Oded Lipschits and Dr. Yuval Gadot of Tel Aviv University and Prof. Manfred Oeming of Heidelberg University. The palace existed from the time of King Hezekiah until the Hasmonean period in the second century B.C.E.

The excavations revealed that the garden must have had a beautiful - and strategic - view, but it lacked its own water source. Thus the ancient landscape architects had to build channels and pools to collect rainwater for irrigation.

The archaeologists discovered that the garden's designers had removed the original hard soil and replaced it with suitable garden soil. But until recently, they had no idea what was grown there.

Then, Lipschits said, he and his colleagues had a "wild thought": If plasterers had worked on the garden walls in springtime, when flowers were blooming, breezes would have carried the pollen to the walls, where it would have become embedded in the plaster.

Enlisting the aid of Tel Aviv University archaeobotanist Dr. Dafna Langgut, they carefully peeled away layers of the plaster, revealing pollen from a number of plant species.

Most of the plants were wild, but in one layer of plaster, apparently from the Persian period (the era of the Jewish return from the Babylonian exile in 538 B.C.E. ) they found pollen from ornamental species and fruit trees, some of which came from distant lands.

The find that most excited the scholars was pollen from etrogs, or citrons, a fruit that originated in India. This is the earliest botanical evidence of citrons in the country.

Scholars believe the citron came here via Persia, and that its Hebrew name, etrog, preserves the Persian name for the fruit - turung. They also say royal cultivation of the exotic newcomer was a means of advertising the king's power and capabilities.

The garden at Ramat Rachel is also the first place in the country to yield evidence of the cultivation of myrtle and willow - two more of the four species used in Sukkot rituals.

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