Choose a healthy, mature plant of the desired mum variety
Take a 4 to 6 inch stem cutting from new growth
Remove the lower leaves from the cutting
Dip the cut end in rooting hormone
Plant the cutting in moist, well-draining potting mix
Keep the soil lightly moist
Place the cutting in bright, indirect light
Maintain warm temperatures
Wait for roots to develop
Transplant the rooted cutting into a larger pot or garden bed
Pinch back new growth to encourage bushier plants
Water regularly without overwatering
Fertilize lightly during the growing season
Protect from extreme heat and frost