Caring for Plumeria

Definition:
Plumerias are a genus of flowering plants, native to Central and South America, but now planted in tropical regions all over the world. Many people know the plants from Southeast Asia. The most famous is Plumeria obtusa ‘Singapore’ with the characteristic white flower with yellow centre, and strong fresh scent.
Another well-known group is the Plumeria rubra, of which there are more than 100 cultivated varieties with different flower colors and scents, from sweet to peach to jasmine.
In the evening, the flowers have the strongest fragrance because they are naturally pollinated by certain moths.
In English, the plants are usually called frangipani or Temple Tree.

Location:
Plumerias love a sunny spot in the garden. High daytime temperatures are not a problem, as long as the plant has enough water. More sun means more abundant flowering.
The plants expect higher temperatures, at low temperatures they are susceptible to root damage. That is why they are only allowed to go outside when the average night temperature does not drop below 10 degrees. For example: 25° during the day and 5° at night is no problem, 15°/8° is.
In winter, they need to be kept dry and warm during the winter. This means in the living room. High humidity or wet feet can be deadly.

Soil type:
Plumerias are not very picky when it comes to the type of soil. A humus-rich (white peat/black peat) very well-drained (perlite), airy, nutrient-rich potting soil is perfect for these plants.
Be careful, do not place the plants directly in a pot that is too large, to avoid problems with root rot.

Watering :
In the growing season, when the plants are fully in leaf, the plants drink a lot. Occasionally wetting the leaves or a rain shower also avoids problems with spider mites. In winter, however, water should be used very sparingly. Once the plants have gone dormant (leaf loss) they need to be watered every 1 to 2 months. Waiting for the trunk to wrinkle is a good indicator that the plant still needs water. In the spring, be careful not to water again too quickly before it is back in full leaf.

Fertilization:
During the flowering period, Plumerias need sufficient nutrition. The ideal composition is NPK 10-52-10. In other words, a lot of phosphorus for root and flower setting. Adding liquid fertilizer in this composition to the water every 2-4 weeks will ensure better flowering.

Prune:
In principle, plumerias should not be pruned. The plant branches out nicely on its own. If pruning is necessary, it is best to do so in late spring or summer. So that the wound can heal properly.
The plant will sprout again, but that can take a few weeks to months. Some older branches no longer sprout.