Allen Centennial Gardens is a public garden and botanic garden that serves as an outdoor classroom for the Horticuture Department of the University of Wisconsin in Madison. The 2.5 acre garden demonstrates thousands of ornamental plants including annual flowers, perennials, tropicals and temperannuals, deciduous trees and shrubs and conifers. Landscape architecture and landscape design styles are featured and highlighted. Allen Centennial Gardens is open from dawn to dusk at no charge to visitors 365 days a year. Allen Centennial Gardens' operational budget is 100% self-funded, including salaries. Volunteerism is encouraged and welcomed. Donations are appreciated; the beauty and education we provide is based on the generosity of others. Weddings and other events may be held at the Gardens and photography permits for professional photographers are available.