The object of the Association is to promote the development of the study of plant growth substances at the international level. The IPGSA organizes International Conferences on plant growth substances. It also organizes  sections devoted to plant growth substances and related disciplines at International Congresses.

IPGSA facilitates publication of matters relating to the study of plant growth substances.

Membership is open to all those actively engaged in or interested in the study of plant growth substances or related topics.