Excess thatch blocks out air, light and water from reaching root zones. Core scott’s reduces thatch accumulation and minimizes its buildup. ROOT GROWTH – Core aeration allows air, water and fertilizer to better reach the root zone. This stimulates root growth to create healthier, stronger turfgrass plants. You can hire a lawn service to aerate for you or do it yourself like a pro.
Within a week or two, they break apart and disappear into the lawn. Thatch Buildup – Although broadleaf weed killer a thin layer of thatch is beneficial, thatch accumulation should not exceed 1/2 inch.