Slender Oak delivering on being tall and slenderOur oak collection at the Washington Park Arboretum is nationally accredited through the Plant Collections Network, administered through the American Public Garden Association in partnership with the US Department of Agriculture. Oaks are one of our four accredited collections at the Arboretum, the others being maples, magnolias, and hollies. Gardens with accredited collections collaborate on research including taxonomic studies, conservation pr...
