The Plant Collections Network (PCN) (formerly the North American Plant Collections Consortium) is a group of North American botanical gardens and arboreta that coordinates a continent-wide approach to plant germplasm preservation, and promotes excellence in plant collections management. The program is administered by the American Public Gardens Association from its headquarters in Kennett Square, Pennsylvania in collaboration with the USDA- Agricultural Research Service. Current objectives of the Plant Collections Network are to: Criteria for participation in the Plant Collections Network are: