Oehme, van Sweden & Associates Inc. is a landscape architecture services provider. Based in Washington, D.C., the company specializes in residential, commercial and public works projects. It has an expertise in 'the New American Garden Style' approach to landscape architecture. Oehme, van Sweden & Associates Inc. makes use of plants like perennials and ornamental grasses. The company has completed several projects, including Long Island Sound, Carolina Lowland Retreat, Chicago Botanic Garden, University of Virginia and Boxwood Estate.