The Garden Safe Take Root Rooting Hormone grows new plants from cuttings. Use this take root rooting hormone powder to grow cuttings from your favorite plants, including African violets, roses, poinsettias, philodendrons, geraniums, coleus, woody ornamentals and most other popular home, garden and greenhouse varieties. The cut ends of the cuttings should be slightly moistened before treatment, then stir cut ends in the rooting hormone powder.