Plumeria seeds are dispersed after pollination when the seed pod matures and splits open. As the seeds inside the pod mature, the pod gradually swells and elongates. Once the seeds are fully developed, the pod will split open, releasing the seeds. The released seeds can fall to the ground below the parent plant, where they may germinate and grow into new Plumeria plants if suitable conditions are present. Alternatively, the wind or rain can carry the seeds to new locations, allowing for potential natural dispersal to different areas.