The Commercial Greenhouse Needs Assessment Survey-1991 was mailed to 201 greenhouse firms throughout Colorado in Aug. 1991. One-hundred-twenty-two usable surveys were returned, a return rate of 61%. The survey contained four sections: Educational Programming Topics; Educational Program Delivery Methods; Needs Other Than Classes; and Personal/Business Data. Results of the Programming Topics section indicated that non-chemical pest control was the subject of most interest (70.6% of respondents), followed by chemical pest control (62.2%). Results of the Programming Delivery Methods section showed that greenhouse operators most wanted workshops (77. 1%). A monthly format (54.7%) was preferred, with evenings (41 .4%) the best time. The Needs Other Than Classes section indicated that greenhouse operators across the state expected visits from the Commercial Greenhouse Extension Agent on an as-needed basis (59.6%), and that 39.2% of the survey respondents were aware of services available from the Commercial Greenhouse Extension Agent. The Personal/Business section indicated that most respondents had a bachelor's or master's degree (53.3%), and were wholesale growers (66.9%) with greenhouses < 50,000 ft2 (67.5%).