Make plants' roots strong and resistant to rot with hydrogen peroxide. Mix 1 T with 2 cups water and use to water your plant.
Super simple method to root roses! No fancy equipment and great for a kids project. I have had great success with this method, I LOVE it. FlowerPatchFarmhouse.com
Rooting Plants With Vinegar – How To Use Apple Cider Vinegar For Cuttings
There are many surprising ways to use apple cider vinegar in gardens, and rooting plants with vinegar is one of the most popular. This article has more information about making rooting hormone with apple cider vinegar for cuttings.