Landscape and Ornamental Plant Organizations

American Association of Nurserymen
1250 I Street, N.W. Suite 500
Washington D.C. 20005
202-789-2900
fax:202-789-1893

International Society of Arborculture
P.O. Box GG
6 Dunlap Court
Savoy Illinois 61874-9902
217-355-9681
217-355-9516

International Plant Propagator's Society
Center for Urban Horticulture
University of Washington, GF-15
Seattle WA 98195

Horticultural Research Institute (research for the advancement of the nursery industry)
1250 I Street, N.W. Suite 500
Washington D.C. 20005

Last update Thursday, March 26, 1998 by aw