Marcum's Nursery. Established in 1982 is a family owned and operated harvester and supplier of trees. Plants. Hardy shrubs. Lush perennials and blooming. The various trees offered by the nursery include ASH. Cypress. Russian olive. Cedar. Cherry. Magnolia. Crape. Myrtle. Dogwood. ELM. HONEYLOCUST. Maple. OAK. Pear. Pine. Plum. Spruce. Poplar. Redbud. Sweet GUM. And tulip. It operates more than 450.000-SQUARE-FEET of covered growing and retail space. And provides a variety of services that include sales. Landscaping and gardening assistance. The Company also provides pest and disease diagnosis. And offers treatment and consultation for prevention of plant diseases. Its WEB site provides a variety of products. Including gardening tools and accessories. Fertilizers. Mosquito control products and gift items. Marcum's Nursery is located in washington. Okla.