Organic greenhouse vegetable production requires extensive upfront investment but can yield premium prices if the grower can identify a marketing channel without a lot of competition. The key to profitable greenhouse vegetable production is keeping annual costs low. The highest costs for greenhouse production are energy and labor. This publication includes information on energy conservation, organic fertility, and pest management, as well as resources on determining costs and revenues for growing organic greenhouse vegetables. This information—and resources on these topics—will enable growers to make decisions about the viability of this enterprise.