Yes you can, you just have to bring them in for the winter when it starts getting cold, Don't worry they will lose all their leaves. Don't water them but maybe a little once a month and keep in a cool location
We call them champa trees, frangipani trees and in latin plumeria.
Plumeria?
Yes, it is possible for a plumeria plant to grow in San Francisco, California. It is a sensitive plant to grow though, and will need to be taken inside during the colder months.
Try this site: * http://www.lonestarfreezedry.com/howtodryflowers.htm#Air%20Drying
Plumeria Acuminata
According to several sources, there are six sub species of the plumeria flower. These are very fragrant flowers typically found in tropical locations such as South America, Brazil and the Caribbean.
I love aromatic flowers as well as flowers with bright colors. Plumeria is a Hawaiian flower that is the most aromatic as well as very beautiful. It comes in various colors and shades.
There are six species of Plumeria all of which belong to the genus Plumeria. The species are listed below.Plumeria albaPlumeria bracteataPlumeria clusioidesPlumeria obtusaPlumeria pudicaPlumeria rubra
To dry Plumeria flowers for perfume-making, you can hang them upside down in a dry, well-ventilated area away from direct sunlight. Once completely dried, gently remove the petals from the stems. The dried petals can then be used in the perfume-making process.
To care for plumeria cuttings, plant them in well-draining soil, keep them in a warm and sunny location, water them regularly but allow the soil to dry out between waterings, and protect them from frost. This will help the cuttings thrive and grow successfully.
Plumeria alba was created in 1753.
To propagate plumeria in water, you can cut a healthy stem from the plant, let it dry for a few days, then place it in a container of water. Change the water regularly and wait for roots to grow before planting it in soil.