A cast impression was made of a cacao tree about to flower, demonstrating that cacao was being grown at an altitude of 450 m a.s.l. The tree was located just south of the garden associated with House 4 (Sheets 2006).
Sheets, Payson D. 2006 The Ceren Site: An Ancient Village Buried by Volcanic Ash in Central America. second ed. Thomson Wadsworth, Belmont, CA.