4LB Earthworm Castings

Earth Science 4 lb. Earthworm Castings are the richest, most natural compost available. Naturally non-burning and odorless, worm castings add essential organic matter that increases microbial activity for a living, nutrient rich soil. Use for seed starting, indoor and outdoor plants and gardens including container gardens. For trees and shrubs, simply sprinkle a small amount in. soil around base of plant. Slowly enriches soil with more nutrients than most yard compost without burning plants. All organic, OMRI Listed.