The purpose of The American Iris Society, and Region 4, shall be to develop the science of horticulture and any activities related to the study, propagation and culture of the genus Iris: to stimulate and foster interest in horticultural pursuits, conservation and protection of these plants; to cooperate with other organizations, public and private, in the scientific and horticultural education of all those interested in learning any phase of the genus Iris, by any and all means which may be determined from time to time by the Board of Directors. These shall include but are not limited to:
A) encouragement and support of scientific research, including those pertaining to the solution of diseases related to but not necessarily exclusive to the genus Iris, and investigation and conservation of the genus in the wild;
B) collection, compilation, and publication of data concerning the history, classification, breeding and culture of Irises; and
C) education of the public through exhibitions, public display gardens, published standards for judging, and local, area, regional, and national meetings open to the public.
Region 4 is comprised of the states of Maryland, North Carolina, Virginia, West Virginia, and the District of Columbia.