Quality Landscape Materials and Topsoil Supplies. Johnson County Topsoil & Landscape Materials has been providing the best landscaping materials to landscaping contractors and homeowners in Johnson County, KS alike for years. We offer reliable delivery with our own trucks, or you can pick up your material at our yard. Deliveries are scheduled on a first-come, first-served basis and typically need booked 1-2 days in advance during the spring season. Interstate shipments must be in semi-truckload quantities. Our wide variety of soil, mulch, stone, and other products make us your one-stop-shop for all your landscaping needs. Feel free to visit our yard or give us a call today at (913) 681-2629 to hear what we have in stock and get a quote.