St. Louis Composting (SLC) Rain Garden Mix is a highly engineered combination of Sands, Topsoil and STA Certified Black Gold Compost. SLC Rain Garden Mix meets or exceeds all MSD specifications for Rain Garden (Bioretention) soils. This unique blend allows for high permeability and supports vigorous native plant growth. SLC Rain Garden Mix filters stormwater and allows it to permeate back into the native soils sustainably as nature intended.
SLC Rain Garden Mix has been installed on hundreds of MSD Bioretention projects in the St. Louis Metro and surrounding areas for the past 15 years. St. Louis Composting can provide all testing required to obtain MSD permits. St. Louis Composting has the ability to custom blend any engineered soil to meet commercial specifications.