Natural Guard Garden Soil is OMRI Listed®. It is made with Canadian Black Peat Moss which is rich with Humates and Fulvic Acids for rapid root growth and holds up to 12 times its weight in water. Also includes Worm Castings and Kelp Meal. Worm Castings is one of nature's richest organic soil amendments. Kelp Meal provides organic plant nutrition for increased garden harvest and beautiful flowers. It's a perfect solution for raised vegetable and flower beds.