Earthworm castings contain abundant essential elements plants need for healthy growth, but all worm castings are not created equal! Wiggle Worm Soil Builder PURE Earthworm Castings are among the most consistent worm castings commercially available because they're manufactured indoors in premium peat humus.
Castings rival chemical fertilizers in their nutrient composition, providing a concentrated source of calcium, magnesium, and nitrogen. Outdoors, line the bottom of your hole or furrow with three inches of castings. Indoors, use one part castings to three parts potting soil. Dry contents of WCA420 will fill approximately 5.25 one-gallon nursery pots.
Wiggle Worm Soil Builder PURE Earthworm Castings are: - Odorless and nontoxic - Non-leaching - Safe for annuals, perennials, seedlings, and more