Soil Preparation and Planting Procedures for Ornamental ...
· Poorly drained soils cause plant problems. Waterlogged soil will suffoe the root system and kill a plant. Improve poorly drained sites by deep tilling to break apart a layer of hard packed soil, or "hardpan," several inches below the soil surface. Slope beds planted near a foundation away from the building, and route water from drain spouts away from plant beds. On extremely heavy soils ...