Sustainability is part and parcel of Pro-Mix’s mission to provide top quality growing media to gardeners across North America. While making high-quality soils out of sphagnum peat moss, quality active mycorrhizal inoculants, and top-shelf fertilizers, Pro-Mix focuses on responsible …management of the wetlands and bogs from which their peat moss is mined. Growers know that when they buy Pro-Mix, they’re purchasing a consistent, well researched product. HTG Supply stocks a variety of Pro-Mix products for your gardening pleasure, browse now to find the perfect soil for your plants.