Professional growers have relied on earthworm castings for years to improve the soil. Regular use of earthworm castings increases the water and nutrient holding capacity of soils and encourages plant growth. Stagreen Earthworm Castings are carefully harvested and packaged to provide the best results. They are an excellent supplement for all types of plants, whether in the ground or in containers. This product provides a good source of Nitrogen. Nitrogen encourages plant growth and helps provide foliage with its green coloring. Healthy soil contains and requires this nutrient to thrive.
STA GREEN  100% Pure Earthworm Castings Plant Food, 4 lb: