Pure Lifes Premium Granulated Earthworm Castings can be used indoor or outdoor for seed germination, seeding propagation or on existing plants. Each pail of worm castings contains essential plant nutrients which optimize growth. Worm castings are safe for children and pets. An excellent soil amendment with the right mix of quality nutrients for optimal growth. Directions on how to use our organic worm castings with varying beds, baskets, and lawns on the back of the pail.