Earth Science 12 lb earthworm castings is the richest, most natural compost available and is naturally non-burning and odorless. worm castings add essential organic matter that increases microbial activity aor a living, nutrient rich soil. use for seed starting, indoor and outdoor plants and gardens including container gardens, trees and shrubs. simply sprinkle a small amount and it will slowly enrich soil with more nutrients than most yard compost without burning plants. all organic, omri listed.

• 100 % pure organic earthworm castings? no peat or other additives
• Improves soil health 5x to 7x higher in organic matter than most organic
• Many uses: container gardens, vegetable gardens, compost tea, indoor