Thuja, 1.5 meters high with gums soils. A low, evergreen, coniferous tree of the Cypress family, with flat, scaly needles. Thuja orientalis: botanical description Thuja orientalis is a low (about 5-10m in height), coniferous, slow-growing tree (less often a shrub), with a simple or weakly branching, thick trunk, covered with thin, flaking, reddish-brown bark. The crown is usually compact, rounded or cone-shaped. Flat, wide, yellowish-red branches are arranged vertically.