The Howard Van Vleck Arboretum is a arboretum located on the grounds of the Montclair Art Museum, 3 South Mountain Avenue, Montclair, in Essex County, New Jersey, United States. The arboretum is open daily without charge. The arboretum first began in 1940 as museum landscaping by horticulturist Howard Van Vleck, and has been named in his honor. It was redesigned and partially replanted circa 2001 during the museum's expansion. See also List of botanical gardens in the United States Van Vleck House and Gardens External links Montclair Art Museum Arboretum landscape project Arboreta in New Jersey Botanical gardens in New Jersey Protected areas of Essex County, New Jersey Montclair, New Jersey