The rose cuttings that one is going to try to root are best taken from the stems of the rose bush that have just flowered and about to be deadheaded. The rose cutting should be 6 to 8 inches in length measuring down the stem from the base of the bloom. … Dip the lower portion of the cutting into a rooting hormone powder. Plant the cutting in a container filled at least 6 inches deep in a potting mix designed for roses. Poke a hole in the potting medium. Then, insert the stem, taking care not to rub off the rooting hormone. Gently firm the soil around the stem, and water well.
Roses should be cut to the ground only in winter, and only if the wood is seriously damaged or diseased and needs to be removed. That means when you cut into the stem, you are removing everything that is brown and withered, and making your cut where stems are still white and firm. The soil in the planting site should be well tilled, loose soil with good drainage. To start rose bush from cuttings, once the rose cuttings have been taken and brought to the planting site, take out a single cutting and remove the lower leaves only. … Dip the lower portion of the cutting into a rooting hormone powder.