How To Make Vinca Flower. Cutting or collecting preparing growing medium planting and transplanting should get you the vinca clones of your parent plant. The light conditions in which vinca grows however affect the performance of the plant.
Major bloom primarily in spring. Plant in any general-purpose well-draining potting soil. With some shade the leaves.
Annual vincas bloom through the summer.
Dip the cutting in rooting hormone. One with a slow-release fertilizer will keep your plants well fed for a month or longer and get them off to a vigorous start. Whether or not to pinch vinca is a moot point if the plant is not growing due to poor environmental conditions. Dip the cutting in rooting hormone.