Bellevue Botanical Garden The Bellevue Botanical Garden features cultivated display gardens, natural wetlands and a woodland trail. Bellevue Botanical Garden displays the best plants and gardening practices for healthy, beautiful Northwest gardens. Visitors are encouraged to participate in Garden volunteerism, events and programs that are engaging, educational and inspiring.With 300,000 visitors a year, the garden is one of the city's most popular destinations – the perfect place for a quiet moment to enjoy the beauty of the Northwest. Docents offer guided tours, providing details about the plants and displays. The Bellevue Botanical Garden opened in 1992 and thrives because of strong community support, including a partnership between the city and the Bellevue Botanical Garden Society (BBGS).