Cobscook Blend Garden SoilCobscook Blend Garden Soil Uses: All purpose garden soil Great for growing Vegetables! Also great for conditioning sandy soil, aerating compacted and clay soils Coast of Maine Organic Products Cobscook Blend Garden Soil is made with a blend of salmon and blueberry compost, aged bark, sphagnum peat moss and horticultural limestone. It requires less frequent watering and works well with acid loving plants like azaleas, rhododendrons, holly, pieris and