Cut a branch from the plumeria tree that is 1 to 2 feet in length. Mature branches have a grayish sheen and are best for cutting. Use pruning shears or a sharp knife and cut the branch at a diagonal.
Treat the base of the cutting with a rooting compound if you desire. Plumeria branches propagate well without it.
Place the cut plumeria branch in a dry area where it will not be disturbed for two weeks. This gives it time to dry out.
Pour quality potting soil into a pot or select a well-drained area in your landscape that has full or partial sunshine.
Plant the cut end of the plumeria in the soil at a depth of 2 to 4 inches, depending on the size of the branch.
Water the soil well once you plant it, but do not water it often while the cutting is taking root. The rooting takes approximately 45 to 75 days. Do not allow the dirt to completely dry out.