The top five sources of information that Georgia landscape architects use to determine which plants to specify are botanical and public gardens (86.9%), landscape architects (81.6%), grower exhibits at professional meetings (69.0%), producer trade shows (68.3%), and university personnel (67.8%). The sources of information vary by size of firm with large firms having a strong preference for botanical and public gardens (58.3%) followed by producer sponsored trade journals (36.4%), producer trade shows (33.3%), and other landscape architects (25.0%). Medium sized firms have a preference for landscape architects (63.2%) and botanical and public gardens (60.0%) followed by producer trade shows (26.3%), whereas small firms are more evenly divided among information sources. The top four journals or books that landscape architects use as a source of information concerning plants vary by size of firm. The larger firms prefer two journals: (a) American Nurseryman (16.7%) and (b) Horticulture—The Magazine of American Gardening (13.3%) and two texts, Know-It Grow-It (13.3%) and Landscape Plants of the Southeast (13.3%). Medium firms prefer three texts, Landscape Plants of the Southeast (19.6%), Wyman's texts (13.1%), Know-It Grow-It (11.8%) and wholesale nursery catalogs (7.8%) as reference sources. Smaller firms have a strong preference for the Manual of Woody Landscape Plants (20.7%), followed by Extension Service publications (15.5%), Landscape Plants of the Southeast (12.1%), and trade magazines/garden catalogs (10.3%) as information sources. The preferred information sources vary by size of firm and provide valuable insight for growers developing marketing plans for landscape architects.

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Author notes

Supported in part by the American Society of Landscape Architects. 4401 Connecticut Avenue NW, Washington, DC 20008; Southern Nurserymen's Association, 1511 Johnson Ferry Road, Suite 115, Marietta, GA 30062; and the Horticultural Research Institute, Inc., 1250 I Street NW, Suite 500, Washington, DC 20005. We gratefully acknowledge the assistance of Dr. Mel Crask, Marketing Department, and Dr. Darrel Morrison. School of Environmental Design, in preparation of the survey.

2Associate Professor and Extension Horticulturist.

3Professor, Department of Statistical and Computer Services, Coastal Plain Experiment Station.