Fox Farm Original Planting Mix is a concentrated mixture of organic and mineral components based around select Earthworm Castings and Bat Guano. The finest planting medium for lush flower and vegetable gardens, Fox Farm Original is ready to use right out of the bag. It is an exceptional mix for raised bed plantings and amending existing garden beds. Fox Farm Original will not burn even the most delicate plantings. (This is a non-shipping item).