How often do I have to water the plumeria?

Once a week in summer. Make sure the water does not stagnate in the pot to avoid rotting of  the roots.

Where to keep the plant in winter?

At temperatures below 8° keep it indoor without watering until March when  the vegetation phase will resume.

How often do I have to change the pot?

Every year in March with a pot 2 cm greater than that of the previous year.

What  varieties have the longest blooming?

The varieties Divine, California Sunset, Mini White, Elsie.