The Edward R. Ladd Arboretum is an arboretum located at 2024 McCormick Boulevard, Evanston, Illinois, occupying 23 acres (9.3 ha) in a narrow .75 miles (1.21 km) stretch between McCormick Boulevard and the North Shore Channel on land leased from the Metropolitan Water Reclamation District of Greater Chicago.

[1] The first tree, a ginkgo, was planted by the Evanston Review in the memory of Edward Rixon Ladd (1883–1956), its founder, publisher, and editor.

The arboretum's collection is arranged by plant family (birch, legume, maple, oak, and pine).

[2] The Center features natural history exhibits of fossils, seeds and mounted animal specimens, and offers weekend, after school, summer camp, school and adult nature programs.

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