Fertilome New Lawn Starter Fertilizer Size:20 Pound Bag Mahonia prefers partial to full once established Mahonia prefers partial to full shade and well drained soil Mahonia Soft Caress (Mahonia eurybracteata 'Soft Caress') is an evergreen shrub that typically grows to be 3 4 feet tall and wide at maturity it should be used in September (Chattanooga) along with your over grass seed (Fescue grass seed) to help the new grass seed and sod develop roots and mature stems before rapid growth begins Helps sod to establish (as shown by the "13" in the macronutrient levels NPK of 9 13 7 Phosphorus is more prevalent in fertilizers with "P" since it is helpful in root development