Mother Earth Groundswell Performance Potting SoilBenefits Of Growing In Mother Earth Groundswell Soil Mother Earth Groundswell Performance Soil is one of the best soils growers can use, because it isn't super nitrogen heavy, and it's optimzied for air to water holding capacity. Whereas most soils are heavy on nitrogen and lead to weird plant irregularities, Mother Earth Groundswell Performance Soil gives you just enough nutrition to get you through the first few weeks, and then no more. At that