Green Bay Botanical Garden  Green Bay Botanical Garden (47 acres) is a nonprofit botanical garden located at 2600 Larsen Road, Green Bay, Wisconsin. It is open daily in the warmer months, or weekdays in the colder months; an admission fee is charged. The gardens opened in 1996 on a site that was previously Larsen Orchard. As of 2017, the gardens include:   During the winter months, the garden hosts the WPS Garden of Lights, a display of over 200,000 holiday lights.