Hsu Leaf Compost improves the health of tired, worn-out soils by adding rich, organic matter packed full of the micro-nutrients and beneficial bacteria plants need to thrive. This is the "vitamin" Mother Nature intended for everything from Azaleas to Zinnias. Leaf compost maximizes the structure of your existing soil, whether by improving the porosity of hard, clay soils or enhancing the moisture retention of soft, sandy soils. By minimizing nutrient loss from water run-off and erosion and increasing the permeability of existing soil, you and your landscape will reap the benefits of more vigorous root growth, greener foliage and bigger blooms.