American Plant A family-owned environmentally responsible garden center with landscaping services, provide superior plants, products, knowledge and services for our customers and community.  301-762-6301. Behnke Nurseries Design & Landscape - 9545 River Road Potomac, MD 20854 - 240-473-6683 Branches Tree Experts Arboriculture & Forestry Consultants.    9629 Elrod Road; Kensington, MD  20895; (301) 589-6181 Garden Harmony Design Strives to bring nature back into people's lives by creating memorable settings in private and public gardens.  410-825-3269. Living Gardens Landscape Design Cooperative using native plants & sustainable practices.  (202) 331-4430 Matt's Habitats (202) 841-1874.  Serving Silver Spring, Takoma Park & NW DC Merrifield Garden Centers Landscaping Services Merrifield, VA  -   703-560-6222 My Organic Garden Provides organic vegetable gardens, fruit & berries to folks in lieu of lawns, so property owners can get a little more out of their yard. Vegetable gardens can produce food nine or more months a year in our area. A lawn can produce a lot of veggies or host a nice looking orchard of dwarf apple, peach, or pear fruit trees. To increase the eco-friendly aspect they focus on building great soil rather than pesticides, and utilize drip irrigation and mulching to minimize water usage.  The extent of the service depends upon your interest, and could even include weekly harvesting of your garden.                 202.368.9070        Richard Landscaping, LLC Owner Richard Bajana  is credited through the Northeast Organic Farmers Association.   301-896-0391