Stim-Root No. 1 rooting hormone is a powder that contains Indole-3-butylic acid, a compound that speeds the growth of roots. The No. 1 rating is for softwood plants including African Violets, Carnations, Chrysanthemums, Coleus, Dahlias, Fuchsias, Hydrangeas, Ivy, Geraniums, and Pointsettia. Simply dip the cutting 1cm into the powder and then plant into any sterile medium such as seedling soil, perlite, or vermiculite. 25g canister.