Grow new plants from plant cuttings with Miracle-Gro FastRoot Dry Powder Rooting Hormone. This product is made for rooting house, foliage, tropical, and hardy ornamental plants, as well as leaf, greenwood, and softwood cuttings. Simply take plant cuttings, usually 4-6 inch stem cuttings, from the current year’s growth and dip stem cutting into powder. Plant immediately in moist soil. Enjoy your new plants with the help of Miracle-Gro.