The plants are principally kept in large pots arranged in rows along the sides of narrow paved walks, with the houses of the gardeners at the entrance through which the visitors pass to the gardens.
Robert Fortune (1847). “Three Years' Wanderings in the Northern Provinces of China: Including a Visit to the Tea, Silk, and Cotton Countries; with an Account of the Agriculture and Horticulture of the Chinese, New Plants, Etc”, p.141
