How to Apply Growth Hormones on Plants


Growth hormones are chemicals that plants produce to regulate the growth process. Gardeners can manually apply these hormones to encourage cuttings to grow into individual plants. Propagating new plants can be done safely by using powdered rooting hormones, available at garden supply stores. The chemicals are ready to use without preparation or complicated mixing.

Things You'll Need

  • Shovel
  • Pruning shears
  • Gloves
  • Face mask
  • Powdered rooting hormone
  • Plastic bag or container
  • Cutting
  • Plant pot
  • Potting soil
  • Water
  • Put on gloves and a face mask to avoid exposure to growth hormones. The solution should not be inhaled. Make sure the room has good ventilation.

  • Dig up an existing plant. Keep the shovel at least 1 foot from the base of the plant to avoid damaging the roots.

  • Shake or brush off the root mass to remove most of the dirt. Run water over the roots to moisten them.

  • Cut new growth from the existing plant. Make a clean cut at the base of one of the stems. Woody stems may be damaged, so new growth is preferred. New growth is more tender and works better with rooting hormone.

  • Pour 2 to 3 tsp. of root hormone powder into a plastic bag or small container, like a film container or medicine bottle. Do not dip the cutting directly into the original hormone container because it will result in contamination.

  • Push the end of the cutting, the stem, into the hormone powder that you moved to the smaller container until it is submerged an inch deep. The stem should be evenly covered because this is where the roots of the new plant will grow. If using a plastic bag, gather the bag over the rooting area and shake gently to completely cover the stem with the white powder.

  • Fill a small plant pot with potting soil. Water until moist. Insert the end of the cutting in the center of the container. Put the pot in a sunny window that gets filtered sunlight.

  • Water the soil to keep it moist as the roots start to grow. Watch for new leaves to grow, which indicates the roots are developing. Once you have leaves along the plant, transplant it outside to an appropriate location.

Tips & Warnings

  • Always wash your hands with soap after using growth hormones. Follow precautions on growth hormone labels.

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