Dyna-Gro KLN 5 galK-L-N Concentrate contains the rooting hormones IBA and NAA. Promotes root growth in trees, foliage, and flowering plants. For propagating cuttings, air layering, and as a transplanting drench for bare-root stock and newly potted plants. Use as a drench, dip, or mist. This item is a 5-gal drum.