Ellen Zachos is the owner of Acme Plant Stuff (www.acmeplant.com), through which she designs, installs, and maintains interior and exterior gardens for clients in the New York City area. She is a Harvard graduate and received her certification in Commercial Horticulture and Ethnobotany from the New York Botanical Garden, where she is now an instructor. She is the author of "Orchid Growing for Wimps" and "Tempting Tropicals: Houseplants for the Connoisseur" and lives in Manhattan.