Castings add the 3 "m's" to soil- minerals, microbes and moisture (or help retain moisture!). Add castings to your garden or lawn as a top dressing (1/4cm thick) or throw some in the transplanting hole for your spring annuals, perennials, shrubs and trees. For indoor plants add 1/4 cup of castings to a 10gallon pot. Castings never "burn" your plants, and you can never add too much. In Stock now! Available in a reusable ice cream bucket.