Earth Science Earthworm Castings are an organic soil supplement compatible with all types of plants, whether grown in the ground or in containers. Packaged in a 12 lb bag.
- Adds organic matter to increase microbial activity for nutrient-rich soil
- Naturally non-burning and odorless
- Helps reduce soil compaction and erosion by absorbing and retaining water
- Suitable for seed starting, indoor and outdoor plants, container gardens, trees, and shrubs
- All organic formula



