Dry, Sandy Soil Mix For sand-based and free-draining soils. Delivery Description Formulated to be used on soils which are sand-based, free-draining and very dry during the summer months. Species include Lady's Bedstraw, Viper's Buglass, Field Scabious and Toadflax. Other Products View Allicon-button-arrow-green Universal Mix 20 Species Universal Mix 80/20 Mixture View Product Wetland Mix 24 Species Wetland Areas 80/20 Mix View Product Acidic Soil Mix 18 Species Low PH Use 80/20 Mixture View Product Clay & Heavy Soil Mix 20 Species Clay Soils 80/20 Mixture View Product