Dyna-Gro K-L-N Concentrateis a vitamin-hormone solution containing Vitamin B-1 and two rooting hormones, IBA and NAA. K-L-N is proven to promote vigorous root growth in trees, foliage and flowering plants. Use it for propagating cuttings, air layering, and as a transplanting drench for bare-root stock and newly potted plants. Drench, dip or mist your plants with K-L-N to stimulate new root growth.