Add 1 inch of rooting medium to a plastic cup. Fill your pot with potting soil and dampen with a little sprinkle of water. Use the pencil to create 1- to 2-inch deep holes in the soil.
Select 5- to 6-inch-long stems from the plant and cut right below the node. This is the swelling on the stem where new leaves grow. Take your cuttings early in the day during cooler weather.
Remove all flowers and leaves from the lower half of the stem. You can leave the leaves on the top intact. Dip about ¼ inch of the stem in rooting medium and insert immediately into prepared holes in the soil in the pot, with about one-third of the stem in the soil.
Pat the soil around the stems gently to get rid of any air pockets. Place the pot in a clear, loose plastic bag and close the top. This will create the effect of a mini-greenhouse and will aid faster germination. Stick a chopstick vertically in the soil to keep the plastic from flopping on the soil.
Place in a warm spot but not in direct sunlight. Mist the cuttings once every two days. Leave the bag open for a couple of hours occasionally to air the cuttings. Under optimal conditions, the cuttings will root in two to five weeks. Tug gently at the cuttings; rooted cuttings will hold their ground.