A 500-acre public park and recreation area left by Colonel Robert R. McCormick. Garden areas include formal gardens, an idea garden, and a greenhouse that is occasionally opened to the public.

Educational and community gardening organization in Evanston. Overview of areas and specializations, meetings, membership, and volunteering.

Former nursery in Rockford features a combination of plants native to the midwest and from around the world. Photo gallery, event calendar, visitor information.

Facility for research, education and enjoyment near Chicago aims to collect and study trees, shrubs, and other plants from around the world, and to display them across naturally beautiful landscapes. Information about activities, programs, and collections.

Gardens located near the bank of the Mississippi River in Rock Island. Overview of admissions, facilities, and programs plus maps, directions, and calendar of events.