Fertilize, revive and protect your plants from soil diseases! University research has shown wormcastings are exceptional in their ability to naturally revive stressed plants and protect plants from soil borne diseases without the use of toxic chemical fungicides! Wormcastings are also useful in the garden as a mild natural fertilizer. These castings are of the highest quality collected from worms fed high quality manures, peanut hulls, oak leaves, humate and other ingredients; no garbage, paper or other waste products.